From cd946f1d27b6846175bc2f4ff684389017ec37ff Mon Sep 17 00:00:00 2001
From: Mark McCaskey <mark@wasmer.io>
Date: Mon, 2 Dec 2019 15:09:42 -0800
Subject: [PATCH 01/16] Fix abort signature in emscripten ABI

---
 lib/emscripten/src/exception.rs | 3 ++-
 lib/emscripten/src/process.rs   | 7 +++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/emscripten/src/exception.rs b/lib/emscripten/src/exception.rs
index 09ae286f813..f2d8d1b1528 100644
--- a/lib/emscripten/src/exception.rs
+++ b/lib/emscripten/src/exception.rs
@@ -32,7 +32,8 @@ pub fn ___cxa_rethrow_primary_exception(_ctx: &mut Ctx, _a: u32) {
 /// TODO: We don't have support for exceptions yet
 pub fn ___cxa_throw(ctx: &mut Ctx, _ptr: u32, _ty: u32, _destructor: u32) {
     debug!("emscripten::___cxa_throw");
-    _abort(ctx);
+    eprintln!("Throwing exceptions not yet implemented: aborting!");
+    _abort(ctx, 0);
 }
 
 pub fn ___cxa_begin_catch(_ctx: &mut Ctx, _exception_object_ptr: u32) -> i32 {
diff --git a/lib/emscripten/src/process.rs b/lib/emscripten/src/process.rs
index a776734b454..bb42056f1af 100644
--- a/lib/emscripten/src/process.rs
+++ b/lib/emscripten/src/process.rs
@@ -10,11 +10,14 @@ use wasmer_runtime_core::vm::Ctx;
 pub fn abort_with_message(ctx: &mut Ctx, message: &str) {
     debug!("emscripten::abort_with_message");
     println!("{}", message);
-    _abort(ctx);
+    _abort(ctx, 0);
 }
 
-pub fn _abort(_ctx: &mut Ctx) {
+pub fn _abort(_ctx: &mut Ctx, arg: u32) {
     debug!("emscripten::_abort");
+    if arg != 0 {
+        eprintln!("Program aborted with value {}", arg);
+    }
     unsafe {
         abort();
     }

From e8b162df06f2eac137f76883dce5a76f7d63d106 Mon Sep 17 00:00:00 2001
From: Mark McCaskey <mark@wasmer.io>
Date: Mon, 2 Dec 2019 15:32:14 -0800
Subject: [PATCH 02/16] Fix abort and _abort to be different

---
 lib/emscripten/src/exception.rs |  2 +-
 lib/emscripten/src/lib.rs       |  2 +-
 lib/emscripten/src/process.rs   | 14 +++++++++-----
 3 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/lib/emscripten/src/exception.rs b/lib/emscripten/src/exception.rs
index f2d8d1b1528..74c83437890 100644
--- a/lib/emscripten/src/exception.rs
+++ b/lib/emscripten/src/exception.rs
@@ -33,7 +33,7 @@ pub fn ___cxa_rethrow_primary_exception(_ctx: &mut Ctx, _a: u32) {
 pub fn ___cxa_throw(ctx: &mut Ctx, _ptr: u32, _ty: u32, _destructor: u32) {
     debug!("emscripten::___cxa_throw");
     eprintln!("Throwing exceptions not yet implemented: aborting!");
-    _abort(ctx, 0);
+    _abort(ctx);
 }
 
 pub fn ___cxa_begin_catch(_ctx: &mut Ctx, _exception_object_ptr: u32) -> i32 {
diff --git a/lib/emscripten/src/lib.rs b/lib/emscripten/src/lib.rs
index 7dc808bde2b..49767708bbe 100644
--- a/lib/emscripten/src/lib.rs
+++ b/lib/emscripten/src/lib.rs
@@ -731,7 +731,7 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
         "___syscall345" => func!(crate::syscalls::___syscall345),
 
         // Process
-        "abort" => func!(crate::process::_abort),
+        "abort" => func!(crate::process::em_abort),
         "_abort" => func!(crate::process::_abort),
         "_prctl" => func!(crate::process::_prctl),
         "abortStackOverflow" => func!(crate::process::abort_stack_overflow),
diff --git a/lib/emscripten/src/process.rs b/lib/emscripten/src/process.rs
index bb42056f1af..7592e070822 100644
--- a/lib/emscripten/src/process.rs
+++ b/lib/emscripten/src/process.rs
@@ -10,14 +10,18 @@ use wasmer_runtime_core::vm::Ctx;
 pub fn abort_with_message(ctx: &mut Ctx, message: &str) {
     debug!("emscripten::abort_with_message");
     println!("{}", message);
-    _abort(ctx, 0);
+    _abort(ctx);
 }
 
-pub fn _abort(_ctx: &mut Ctx, arg: u32) {
+/// The name of this call is `abort` but we want to avoid conflicts with libc::abort
+pub fn em_abort(ctx: &mut Ctx, arg: u32) {
+    debug!("emscripten::abort");
+    eprintln!("Program aborted with value {}", arg);
+    _abort(ctx);
+}
+
+pub fn _abort(_ctx: &mut Ctx) {
     debug!("emscripten::_abort");
-    if arg != 0 {
-        eprintln!("Program aborted with value {}", arg);
-    }
     unsafe {
         abort();
     }

From 7162906297976c8679e2d8f1d68a0ca65d8a01fe Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nick@wasmer.io>
Date: Fri, 6 Dec 2019 12:06:18 -0800
Subject: [PATCH 03/16] Initial commit of AArch64 support for the llvm backend.

---
 CHANGELOG.md                     |  1 +
 lib/llvm-backend/Cargo.toml      |  8 +++++++-
 lib/llvm-backend/src/code.rs     | 12 +++++++++++-
 lib/llvm-backend/src/lib.rs      |  5 ++++-
 lib/spectests/tests/excludes.txt |  5 +++++
 5 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a047d4a1f03..97d071163d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## **[Unreleased]**
 
 - [#1033](https://github.com/wasmerio/wasmer/pull/1033) Set cranelift backend as default compiler backend again, require at least one backend to be enabled for Wasmer CLI
+- [#1044](https://github.com/wasmerio/wasmer/pull/1044) Enable AArch64 support in the LLVM backend.
 - [#1030](https://github.com/wasmerio/wasmer/pull/1030) Ability to generate `ImportObject` for a specific version WASI version with the C API.
 - [#1028](https://github.com/wasmerio/wasmer/pull/1028) Introduce strict/non-strict modes for `get_wasi_version`
 - [#1029](https://github.com/wasmerio/wasmer/pull/1029) Add the “floating” `WasiVersion::Latest` version.
diff --git a/lib/llvm-backend/Cargo.toml b/lib/llvm-backend/Cargo.toml
index b9fa7e6a720..f08bff86483 100644
--- a/lib/llvm-backend/Cargo.toml
+++ b/lib/llvm-backend/Cargo.toml
@@ -17,12 +17,18 @@ goblin = "0.0.24"
 libc = "0.2.60"
 byteorder = "1"
 
-[dependencies.inkwell]
+[target.'cfg(target_arch = "x86_64")'.dependencies.inkwell]
 git = "https://github.com/TheDan64/inkwell"
 rev = "781620e9fa30e51a6e03bd0d49b5f5bb7a782520"
 default-features = false
 features = ["llvm8-0", "target-x86"]
 
+[target.'cfg(target_arch = "aarch64")'.dependencies.inkwell]
+git = "https://github.com/TheDan64/inkwell"
+rev = "781620e9fa30e51a6e03bd0d49b5f5bb7a782520"
+default-features = false
+features = ["llvm8-0", "target-aarch64"]
+
 [target.'cfg(unix)'.dependencies]
 nix = "0.15"
 
diff --git a/lib/llvm-backend/src/code.rs b/lib/llvm-backend/src/code.rs
index 4365dbf3326..ff270a7be94 100644
--- a/lib/llvm-backend/src/code.rs
+++ b/lib/llvm-backend/src/code.rs
@@ -8472,7 +8472,17 @@ impl<'ctx> ModuleCodeGenerator<LLVMFunctionCodeGenerator<'ctx>, LLVMBackend, Cod
                 info: true,
                 machine_code: true,
             }),
-            _ => unimplemented!("compile to target other than x86-64 is not supported"),
+            _ if triple.starts_with("aarch64") => {
+                Target::initialize_aarch64(&InitializationConfig {
+                    asm_parser: true,
+                    asm_printer: true,
+                    base: true,
+                    disassembler: true,
+                    info: true,
+                    machine_code: true,
+                })
+            }
+            _ => unimplemented!("target {} not supported", triple),
         }
 
         let target = Target::from_triple(&triple).unwrap();
diff --git a/lib/llvm-backend/src/lib.rs b/lib/llvm-backend/src/lib.rs
index a2db088a76a..5456ce864e5 100644
--- a/lib/llvm-backend/src/lib.rs
+++ b/lib/llvm-backend/src/lib.rs
@@ -6,7 +6,10 @@
     unused_unsafe,
     unreachable_patterns
 )]
-#![cfg_attr(not(target_os = "windows"), deny(dead_code))]
+#![cfg_attr(
+    all(not(target_os = "windows"), not(target_arch = "aarch64")),
+    deny(dead_code)
+)]
 #![cfg_attr(nightly, feature(unwind_attributes))]
 #![doc(html_favicon_url = "https://wasmer.io/static/icons/favicon.ico")]
 #![doc(html_logo_url = "https://avatars3.githubusercontent.com/u/44205449?s=200&v=4")]
diff --git a/lib/spectests/tests/excludes.txt b/lib/spectests/tests/excludes.txt
index a2742b0dcc2..484c809b733 100644
--- a/lib/spectests/tests/excludes.txt
+++ b/lib/spectests/tests/excludes.txt
@@ -273,6 +273,11 @@ llvm:fail:f64.wast:1621 # AssertReturn - result F64(0) ("0x0") does not match ex
 llvm:fail:f64.wast:2020 # AssertReturn - result F64(9223372036854775808) ("0x8000000000000000") does not match expected F64(0) ("0x0")
 llvm:fail:linking.wast:388 # AssertReturn - Call failed RuntimeError: WebAssembly trap occurred during runtime: incorrect `call_indirect` signature
 
+# LLVM AArch64
+llvm:skip:atomic.wast:*:*:aarch64 # Out of range relocations.
+llvm:skip:skip-stack-guard-page.wast:2275:*:aarch64 # Uncaught SIGSEGV only in release builds
+llvm:skip:skip-stack-guard-page.wast:2282:*:aarch64 # Uncaught SIGSEGV only in release builds
+
 # LLVM Windows
 llvm:skip:address.wast:*:windows
 llvm:skip:align.wast:*:windows

From 4f39102aab64f76c2e5ab45e712624a78844fad6 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nick@wasmer.io>
Date: Fri, 6 Dec 2019 13:04:32 -0800
Subject: [PATCH 04/16] Fix 'make spectests' and 'make llvm' to use those
 backends when running the runtime-core-tests.

---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 935a6a69218..728df4c0dee 100644
--- a/Makefile
+++ b/Makefile
@@ -89,7 +89,7 @@ wasitests: wasitests-unit wasitests-singlepass wasitests-cranelift wasitests-llv
 # Backends
 singlepass: spectests-singlepass emtests-singlepass middleware-singlepass wasitests-singlepass
 	cargo test -p wasmer-singlepass-backend --release
-	cargo test -p wasmer-runtime-core-tests --release --no-default-features --features backend-singlepass
+	cargo test --manifest-path lib/runtime-core-tests/Cargo.toml --release --no-default-features --features backend-singlepass
 
 cranelift: spectests-cranelift emtests-cranelift middleware-cranelift wasitests-cranelift
 	cargo test -p wasmer-clif-backend --release
@@ -98,7 +98,7 @@ cranelift: spectests-cranelift emtests-cranelift middleware-cranelift wasitests-
 llvm: spectests-llvm emtests-llvm wasitests-llvm
 	cargo test -p wasmer-llvm-backend --release
 	cargo test -p wasmer-llvm-backend-tests --release
-	cargo test -p wasmer-runtime-core-tests --release --no-default-features --features backend-llvm
+	cargo test --manifest-path lib/runtime-core-tests/Cargo.toml --release --no-default-features --features backend-llvm
 
 
 # All tests

From f3ab59eacea2623989f40642509a8c687360eac5 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nick@wasmer.io>
Date: Fri, 6 Dec 2019 20:01:20 -0800
Subject: [PATCH 05/16] Don't try to initialize a target whose inkwell feature
 flag was not enabled.

---
 lib/llvm-backend/src/code.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/llvm-backend/src/code.rs b/lib/llvm-backend/src/code.rs
index ff270a7be94..fa6100566d0 100644
--- a/lib/llvm-backend/src/code.rs
+++ b/lib/llvm-backend/src/code.rs
@@ -8464,6 +8464,7 @@ impl<'ctx> ModuleCodeGenerator<LLVMFunctionCodeGenerator<'ctx>, LLVMBackend, Cod
         let triple = triple.unwrap_or(TargetMachine::get_default_triple().to_string());
 
         match triple {
+            #[cfg(target_arch = "x86_64")]
             _ if triple.starts_with("x86") => Target::initialize_x86(&InitializationConfig {
                 asm_parser: true,
                 asm_printer: true,
@@ -8472,6 +8473,7 @@ impl<'ctx> ModuleCodeGenerator<LLVMFunctionCodeGenerator<'ctx>, LLVMBackend, Cod
                 info: true,
                 machine_code: true,
             }),
+            #[cfg(target_arch = "aarch64")]
             _ if triple.starts_with("aarch64") => {
                 Target::initialize_aarch64(&InitializationConfig {
                     asm_parser: true,

From 6189c9ae547d7fb074d811fa0d00f9483a90c352 Mon Sep 17 00:00:00 2001
From: Patrick Ventuzelo <ventuzelo.patrick@gmail.com>
Date: Wed, 11 Dec 2019 15:25:21 +0100
Subject: [PATCH 06/16] rename some variable, add more precise error message,
 use checked_sub everywhere needed in state.rs

---
 lib/llvm-backend/src/state.rs | 65 ++++++++++++++++++-----------------
 1 file changed, 34 insertions(+), 31 deletions(-)

diff --git a/lib/llvm-backend/src/state.rs b/lib/llvm-backend/src/state.rs
index e870b6627fe..8db358fe2ce 100644
--- a/lib/llvm-backend/src/state.rs
+++ b/lib/llvm-backend/src/state.rs
@@ -231,33 +231,41 @@ impl<'ctx> State<'ctx> {
 
     pub fn outermost_frame(&self) -> Result<&ControlFrame<'ctx>, BinaryReaderError> {
         self.control_stack.get(0).ok_or(BinaryReaderError {
-            message: "invalid control stack depth",
+            message: "outermost_frame: invalid control stack depth",
             offset: -1isize as usize,
         })
     }
 
     pub fn frame_at_depth(&self, depth: u32) -> Result<&ControlFrame<'ctx>, BinaryReaderError> {
-        let index = self.control_stack.len() - 1 - (depth as usize);
-        self.control_stack.get(index).ok_or(BinaryReaderError {
-            message: "invalid control stack depth",
-            offset: -1isize as usize,
-        })
+        let index = self
+            .control_stack
+            .len()
+            .checked_sub(1 + (depth as usize))
+            .ok_or(BinaryReaderError {
+                message: "frame_at_depth: invalid control stack depth",
+                offset: -1isize as usize,
+            })?;
+        Ok(&self.control_stack[index])
     }
 
     pub fn frame_at_depth_mut(
         &mut self,
         depth: u32,
     ) -> Result<&mut ControlFrame<'ctx>, BinaryReaderError> {
-        let index = self.control_stack.len() - 1 - (depth as usize);
-        self.control_stack.get_mut(index).ok_or(BinaryReaderError {
-            message: "invalid control stack depth",
-            offset: -1isize as usize,
-        })
+        let index = self
+            .control_stack
+            .len()
+            .checked_sub(1 + (depth as usize))
+            .ok_or(BinaryReaderError {
+                message: "frame_at_depth_mut: invalid control stack depth",
+                offset: -1isize as usize,
+            })?;
+        Ok(&mut self.control_stack[index])
     }
 
     pub fn pop_frame(&mut self) -> Result<ControlFrame<'ctx>, BinaryReaderError> {
         self.control_stack.pop().ok_or(BinaryReaderError {
-            message: "cannot pop from control stack",
+            message: "pop_frame: cannot pop from control stack",
             offset: -1isize as usize,
         })
     }
@@ -283,7 +291,7 @@ impl<'ctx> State<'ctx> {
 
     pub fn pop1_extra(&mut self) -> Result<(BasicValueEnum<'ctx>, ExtraInfo), BinaryReaderError> {
         self.stack.pop().ok_or(BinaryReaderError {
-            message: "invalid value stack",
+            message: "pop1_extra: invalid value stack",
             offset: -1isize as usize,
         })
     }
@@ -327,13 +335,11 @@ impl<'ctx> State<'ctx> {
     }
 
     pub fn peek1_extra(&self) -> Result<(BasicValueEnum<'ctx>, ExtraInfo), BinaryReaderError> {
-        self.stack
-            .get(self.stack.len() - 1)
-            .ok_or(BinaryReaderError {
-                message: "invalid value stack",
-                offset: -1isize as usize,
-            })
-            .map(|v| *v)
+        let index = self.stack.len().checked_sub(1).ok_or(BinaryReaderError {
+            message: "peek1_extra: invalid value stack",
+            offset: -1isize as usize,
+        })?;
+        Ok(self.stack[index])
     }
 
     pub fn peekn(&self, n: usize) -> Result<Vec<BasicValueEnum<'ctx>>, BinaryReaderError> {
@@ -344,12 +350,12 @@ impl<'ctx> State<'ctx> {
         &self,
         n: usize,
     ) -> Result<&[(BasicValueEnum<'ctx>, ExtraInfo)], BinaryReaderError> {
-        let new_len = self.stack.len().checked_sub(n).ok_or(BinaryReaderError {
-            message: "invalid value stack",
+        let index = self.stack.len().checked_sub(n).ok_or(BinaryReaderError {
+            message: "peekn_extra: invalid value stack",
             offset: -1isize as usize,
         })?;
 
-        Ok(&self.stack[new_len..])
+        Ok(&self.stack[index..])
     }
 
     pub fn popn_save_extra(
@@ -362,15 +368,12 @@ impl<'ctx> State<'ctx> {
     }
 
     pub fn popn(&mut self, n: usize) -> Result<(), BinaryReaderError> {
-        if self.stack.len() < n {
-            return Err(BinaryReaderError {
-                message: "invalid value stack",
-                offset: -1isize as usize,
-            });
-        }
+        let index = self.stack.len().checked_sub(n).ok_or(BinaryReaderError {
+            message: "popn: invalid value stack",
+            offset: -1isize as usize,
+        })?;
 
-        let new_len = self.stack.len() - n;
-        self.stack.truncate(new_len);
+        self.stack.truncate(index);
         Ok(())
     }
 

From aa13337dae28c1b16e26531a5e09d2aa1a19c27f Mon Sep 17 00:00:00 2001
From: Patrick Ventuzelo <ventuzelo.patrick@gmail.com>
Date: Wed, 11 Dec 2019 15:34:01 +0100
Subject: [PATCH 07/16] add changelog entry

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29014cb9a5e..a207ca9d710 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## **[Unreleased]**
 
+- [#1058](https://github.com/wasmerio/wasmer/pull/1058) Fix minor panic issue when `wasmer::compile_with` called with llvm backend.
 - [#1056](https://github.com/wasmerio/wasmer/pull/1056) Improved `--invoke` args parsing (supporting `i32`, `i64`, `f32` and `f32`) in Wasmer CLI
 - [#1054](https://github.com/wasmerio/wasmer/pull/1054) Improve `--invoke` output in Wasmer CLI
 - [#1053](https://github.com/wasmerio/wasmer/pull/1053) For RuntimeError and breakpoints, use Box<Any + Send> instead of Box<Any>.

From c11d19e7590abcafca24af011bf6714909ef4032 Mon Sep 17 00:00:00 2001
From: Mark McCaskey <mark@wasmer.io>
Date: Thu, 12 Dec 2019 14:08:27 -0800
Subject: [PATCH 08/16] Add doc comments for WASI FD associated constants

---
 lib/wasi/src/state/mod.rs | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/wasi/src/state/mod.rs b/lib/wasi/src/state/mod.rs
index 04b206c3045..cda73616c52 100644
--- a/lib/wasi/src/state/mod.rs
+++ b/lib/wasi/src/state/mod.rs
@@ -122,16 +122,30 @@ pub struct Fd {
     pub rights_inheriting: __wasi_rights_t,
     pub flags: __wasi_fdflags_t,
     pub offset: u64,
-    /// Used when reopening the file on the host system
+    /// Flags that determine how the [`Fd`] can be used.
+    ///
+    /// Used when reopening a [`HostFile`] during [`WasiState`] deserialization.
     pub open_flags: u16,
     pub inode: Inode,
 }
 
 impl Fd {
+    /// This [`Fd`] can be used with read system calls.
     pub const READ: u16 = 1;
+    /// This [`Fd`] can be used with write system calls.
     pub const WRITE: u16 = 2;
+    /// This [`Fd`] can append in write system calls. Note that the append
+    /// permission implies the write permission.
     pub const APPEND: u16 = 4;
+    /// This [`Fd`] will delete everything before writing. Note that truncate
+    /// permissions require the write permission.
+    ///
+    /// This permission is currently unused when deserializing [`WasiState`].
     pub const TRUNCATE: u16 = 8;
+    /// This [`Fd`] may create a file before writing to it. Note that create
+    /// permissions require write permissions.
+    ///
+    /// This permission is currently unused when deserializing [`WasiState`].
     pub const CREATE: u16 = 16;
 }
 

From 39f5a7925486113e30f5b73eb4e863cfb6664e1f Mon Sep 17 00:00:00 2001
From: Syrus <me@syrusakbary.com>
Date: Thu, 12 Dec 2019 16:38:58 -0800
Subject: [PATCH 09/16] Test the capi with multiple backends

---
 Makefile                     | 32 +++++++++++++++++++++++++++-----
 azure-pipelines.yml          |  8 ++++----
 lib/runtime-c-api/Cargo.toml |  2 +-
 3 files changed, 32 insertions(+), 10 deletions(-)

diff --git a/Makefile b/Makefile
index 935a6a69218..0a4d806980b 100644
--- a/Makefile
+++ b/Makefile
@@ -102,12 +102,34 @@ llvm: spectests-llvm emtests-llvm wasitests-llvm
 
 
 # All tests
-capi:
-	cargo build --release --features backend-cranelift
-	cargo build -p wasmer-runtime-c-api --release
+capi-singlepass:
+	cargo build --manifest-path lib/runtime-c-api/Cargo.toml --release \
+		--no-default-features --features singlepass-backend,wasi
+
+capi-cranelift:
+	cargo build --manifest-path lib/runtime-c-api/Cargo.toml --release \
+		--no-default-features --features cranelift-backend,wasi
+
+capi-llvm:
+	cargo build --manifest-path lib/runtime-c-api/Cargo.toml --release \
+		--no-default-features --features llvm-backend,wasi
+
+# We use cranelift as the default backend for the capi for now
+capi: capi-cranelift
+
+test-capi-singlepass: capi-singlepass
+	cargo test --manifest-path lib/runtime-c-api/Cargo.toml --release \
+		--no-default-features --features singlepass-backend,wasi
+
+test-capi-cranelift: capi-cranelift
+	cargo test --manifest-path lib/runtime-c-api/Cargo.toml --release \
+		--no-default-features --features cranelift-backend,wasi
+
+test-capi-llvm: capi-llvm
+	cargo test --manifest-path lib/runtime-c-api/Cargo.toml --release \
+		--no-default-features --features llvm-backend,wasi
 
-test-capi: capi
-	cargo test -p wasmer-runtime-c-api --release
+test-capi: test-capi-singlepass test-capi-cranelift test-capi-llvm
 
 capi-test: test-capi
 
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 6ad407923c4..43a32604d20 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -187,23 +187,23 @@ jobs:
           mkdir -p artifacts
         displayName: Create Artifacts Dir
       - bash: |
-          make capi
           make test-capi
+        displayName: Test c-api
+        condition: and(succeeded(), not(eq(variables['Agent.OS'], 'Windows_NT')))
+      - bash: |
+          make capi
           cp target/release/libwasmer_runtime_c_api.so ./artifacts
           find target/release/build -name 'wasmer.h*' -exec cp {} ./artifacts ';'
         displayName: Build c-api (Linux)
         condition: and(succeeded(), eq(variables['Agent.OS'], 'Linux'))
       - bash: |
           make capi
-          make test-capi
           install_name_tool -id "@rpath/libwasmer_runtime_c_api.dylib" target/release/libwasmer_runtime_c_api.dylib
           cp target/release/libwasmer_runtime_c_api.dylib ./artifacts
         displayName: Build c-api (Darwin)
         condition: and(succeeded(), eq(variables['Agent.OS'], 'Darwin'))
       - bash: |
           make capi
-          # Tests are failing on Windows, comment for now
-          # make test-capi
           cp target/release/wasmer_runtime_c_api.dll ./artifacts
         displayName: Build c-api (Windows)
         condition: and(succeeded(), eq(variables['Agent.OS'], 'Windows_NT'))
diff --git a/lib/runtime-c-api/Cargo.toml b/lib/runtime-c-api/Cargo.toml
index 0a278b6ba2e..39046d3d187 100644
--- a/lib/runtime-c-api/Cargo.toml
+++ b/lib/runtime-c-api/Cargo.toml
@@ -35,9 +35,9 @@ optional = true
 [features]
 default = ["cranelift-backend", "wasi"]
 debug = ["wasmer-runtime/debug"]
+singlepass-backend = ["wasmer-runtime/singlepass", "wasmer-runtime/default-backend-singlepass"]
 cranelift-backend = ["wasmer-runtime/cranelift", "wasmer-runtime/default-backend-cranelift"]
 llvm-backend = ["wasmer-runtime/llvm", "wasmer-runtime/default-backend-llvm"]
-singlepass-backend = ["wasmer-runtime/singlepass", "wasmer-runtime/default-backend-singlepass"]
 wasi = ["wasmer-wasi"]
 
 [build-dependencies]

From 8a2a429a2dc87ca5afcd1983a1a12601f59508e9 Mon Sep 17 00:00:00 2001
From: Syrus <me@syrusakbary.com>
Date: Thu, 12 Dec 2019 17:05:36 -0800
Subject: [PATCH 10/16] Added changes to the changelog

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5292539c29d..74c52c61352 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## **[Unreleased]**
 
+- [#1060](https://github.com/wasmerio/wasmer/pull/1060) Test the capi with all the backends
 - [#1058](https://github.com/wasmerio/wasmer/pull/1058) Fix minor panic issue when `wasmer::compile_with` called with llvm backend.
 - [#858](https://github.com/wasmerio/wasmer/pull/858) Minor panic fix when wasmer binary with `loader` option run a module without exported `_start` function.
 - [#1056](https://github.com/wasmerio/wasmer/pull/1056) Improved `--invoke` args parsing (supporting `i32`, `i64`, `f32` and `f32`) in Wasmer CLI

From 6946d6883a88835117836f2a55cc215d1ce7d3e9 Mon Sep 17 00:00:00 2001
From: Syrus <me@syrusakbary.com>
Date: Fri, 13 Dec 2019 11:52:59 -0800
Subject: [PATCH 11/16] Install LLVM for the CAPI

---
 azure-pipelines.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 43a32604d20..6308d422bc6 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -180,7 +180,7 @@ jobs:
       - checkout: self
         submodules: true
       - template: .azure/install-rust.yml
-      # - template: .azure/install-llvm.yml
+      - template: .azure/install-llvm.yml
       - template: .azure/install-sccache.yml
       - template: .azure/install-cmake.yml
       - bash: |

From b84ff0e293e90b1e3ad88b3567e3f8a91b98416d Mon Sep 17 00:00:00 2001
From: Syrus Akbary <me@syrusakbary.com>
Date: Fri, 13 Dec 2019 13:03:27 -0800
Subject: [PATCH 12/16] Trying to fix Win64 LLVM release for ARM

---
 .azure/install-llvm.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.azure/install-llvm.yml b/.azure/install-llvm.yml
index 5b01ee7b9d9..3b904f4747c 100644
--- a/.azure/install-llvm.yml
+++ b/.azure/install-llvm.yml
@@ -31,9 +31,9 @@ steps:
 
   - bash: |
       set -ex
-      curl -OL https://github.com/wasmerio/windows-llvm-build/releases/download/v8.0.0/llvm-8.0.0-install.zip
-      7z x llvm-8.0.0-install.zip
-      llvm=`pwd`/llvm-8.0.0-install
+      curl -OL https://github.com/wasmerio/llvm-build/releases/download/8.x/Win64_Release.zip
+      7z x Win64_Release.zip
+      llvm=`pwd`/Win64_Release
       echo "##vso[task.prependpath]$llvm/bin"
       echo "##vso[task.setvariable variable=LLVM_SYS_80_PREFIX;]$llvm"
     displayName: "Install LLVM (Windows)"

From 963494080fd21791afe2da0107803b76298f9c59 Mon Sep 17 00:00:00 2001
From: Syrus Akbary <me@syrusakbary.com>
Date: Fri, 13 Dec 2019 13:57:24 -0800
Subject: [PATCH 13/16] Trying to fix Windows LLVM Installation

---
 .azure/install-llvm.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.azure/install-llvm.yml b/.azure/install-llvm.yml
index 3b904f4747c..1f58f075fc2 100644
--- a/.azure/install-llvm.yml
+++ b/.azure/install-llvm.yml
@@ -41,8 +41,8 @@ steps:
 
   # Just to make sure the paths and vars are set properly
   - powershell: |
-      Write-Host "##vso[task.prependpath]$pwd/llvm-8.0.0-install/bin"
-      Write-Host "##vso[task.setvariable variable=LLVM_SYS_80_PREFIX;]$pwd/llvm-8.0.0-install/"
+      Write-Host "##vso[task.prependpath]$pwd/Win64_Release/bin"
+      Write-Host "##vso[task.setvariable variable=LLVM_SYS_80_PREFIX;]$pwd/Win64_Release/"
     displayName: Install LLVM (Windows)
     condition: eq(variables['Agent.OS'], 'Windows_NT')
 

From 243e0b5e2c80155a10bc0d7526f0c0a4ca3d79bd Mon Sep 17 00:00:00 2001
From: Syrus Akbary <me@syrusakbary.com>
Date: Fri, 13 Dec 2019 14:07:59 -0800
Subject: [PATCH 14/16] Trying to fix Windows LLVM - 3rd intent

---
 .azure/install-llvm.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/.azure/install-llvm.yml b/.azure/install-llvm.yml
index 1f58f075fc2..3b9ffb211ac 100644
--- a/.azure/install-llvm.yml
+++ b/.azure/install-llvm.yml
@@ -31,11 +31,14 @@ steps:
 
   - bash: |
       set -ex
+      mkdir Win64_Release
+      cd Win64_Release
       curl -OL https://github.com/wasmerio/llvm-build/releases/download/8.x/Win64_Release.zip
       7z x Win64_Release.zip
-      llvm=`pwd`/Win64_Release
+      llvm=`pwd`
       echo "##vso[task.prependpath]$llvm/bin"
       echo "##vso[task.setvariable variable=LLVM_SYS_80_PREFIX;]$llvm"
+      cd ..
     displayName: "Install LLVM (Windows)"
     condition: eq(variables['Agent.OS'], 'Windows_NT')
 

From 24e0e34fb280edaa1c1fbb523ae9d6c7c85adb72 Mon Sep 17 00:00:00 2001
From: Mark McCaskey <mark@wasmer.io>
Date: Fri, 13 Dec 2019 16:51:52 -0800
Subject: [PATCH 15/16] Add more doc comments to our WASI implementation

---
 lib/wasi/src/state/builder.rs |  2 +-
 lib/wasi/src/state/mod.rs     | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/lib/wasi/src/state/builder.rs b/lib/wasi/src/state/builder.rs
index 2435fbb133e..bf0d4fc5b9c 100644
--- a/lib/wasi/src/state/builder.rs
+++ b/lib/wasi/src/state/builder.rs
@@ -1,4 +1,4 @@
-//! Builder code for [`WasiState`]
+//! Builder system for configuring a [`WasiState`] and creating it.
 
 use crate::state::{WasiFs, WasiState};
 use std::path::{Path, PathBuf};
diff --git a/lib/wasi/src/state/mod.rs b/lib/wasi/src/state/mod.rs
index cda73616c52..c8fdfcec0ae 100644
--- a/lib/wasi/src/state/mod.rs
+++ b/lib/wasi/src/state/mod.rs
@@ -376,6 +376,7 @@ impl WasiFs {
         }
     }
 
+    /// Returns the next available inode index for creating a new inode.
     fn get_next_inode_index(&mut self) -> u64 {
         let next = self.inode_counter.get();
         self.inode_counter.set(next + 1);
@@ -491,6 +492,19 @@ impl WasiFs {
         }
     }
 
+    /// Internal part of the core path resolution function which implements path
+    /// traversal logic such as resolving relative path segments (such as
+    /// `.` and `..`) and resolving symlinks (while preventing infinite
+    /// loops/stack overflows).
+    ///
+    /// TODO: expand upon exactly what the state of the returned value is,
+    /// explaining lazy-loading from the real file system and synchronizing
+    /// between them.
+    ///
+    /// This is where a lot of the magic happens, be very careful when editing
+    /// this code.
+    ///
+    /// TODO: write more tests for this code
     fn get_inode_at_path_inner(
         &mut self,
         base: __wasi_fd_t,
@@ -672,6 +686,14 @@ impl WasiFs {
         Ok(cur_inode)
     }
 
+    /// Splits a path into the first preopened directory that is a parent of it,
+    /// if such a preopened directory exists, and the rest of the path.
+    ///
+    /// NOTE: this behavior seems to be not the same as what libpreopen is
+    /// doing in WASI.
+    ///
+    /// TODO: evaluate users of this function and explain why this behavior is
+    /// not the same as libpreopen or update its behavior to be the same.
     fn path_into_pre_open_and_relative_path(
         &self,
         path: &Path,

From 05012f95147665639ff7450275b6dd422d35bbcf Mon Sep 17 00:00:00 2001
From: Mark McCaskey <mark@wasmer.io>
Date: Mon, 16 Dec 2019 16:51:33 -0500
Subject: [PATCH 16/16] Update Inkwell

---
 Cargo.lock                  | 967 ++----------------------------------
 lib/llvm-backend/Cargo.toml |   4 +-
 2 files changed, 34 insertions(+), 937 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 0ee127d57ad..034d782571b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,10 +1,5 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-[[package]]
-name = "adler32"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "aho-corasick"
 version = "0.7.6"
@@ -45,34 +40,6 @@ name = "autocfg"
 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "backtrace"
-version = "0.3.40"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "backtrace-sys 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "backtrace-sys"
-version = "0.1.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cc 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "base64"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "bincode"
 version = "1.2.0"
@@ -114,16 +81,6 @@ name = "byteorder"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "bytes"
-version = "0.4.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "c2-chacha"
 version = "0.2.3"
@@ -132,16 +89,6 @@ dependencies = [
  "ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "cargo_toml"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "cast"
 version = "0.2.3"
@@ -211,46 +158,6 @@ name = "constant_time_eq"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "cookie"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "cookie_store"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cookie 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "publicsuffix 1.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "try_from 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "core-foundation"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "core-foundation-sys"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "cranelift-bforest"
 version = "0.44.0"
@@ -304,14 +211,6 @@ dependencies = [
  "target-lexicon 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "crc32fast"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "criterion"
 version = "0.2.11"
@@ -370,14 +269,6 @@ dependencies = [
  "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "crossbeam-queue"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "crossbeam-queue"
 version = "0.2.0"
@@ -386,15 +277,6 @@ dependencies = [
  "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "crossbeam-utils"
-version = "0.6.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "crossbeam-utils"
 version = "0.7.0"
@@ -442,11 +324,6 @@ dependencies = [
  "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "dtoa"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "dynasm"
 version = "0.5.2"
@@ -475,14 +352,6 @@ name = "either"
 version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "encoding_rs"
-version = "0.8.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "erased-serde"
 version = "0.3.9"
@@ -510,20 +379,11 @@ dependencies = [
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "error-chain"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "failure"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -538,68 +398,11 @@ dependencies = [
  "synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "flate2"
-version = "1.0.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "fnv"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "foreign-types"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "foreign-types-shared 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "foreign-types-shared"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "fuchsia-cprng"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "fuchsia-zircon"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "fuchsia-zircon-sys"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "futures"
-version = "0.1.29"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "futures-cpupool"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "gcc"
 version = "0.3.55"
@@ -662,23 +465,6 @@ dependencies = [
  "scroll 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "h2"
-version = "0.1.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "string 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "heck"
 version = "0.3.1"
@@ -700,93 +486,6 @@ name = "hex"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "http"
-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
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-
 [[package]]
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@@ -799,26 +498,24 @@ dependencies = [
 [[package]]
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-source = "git+https://github.com/TheDan64/inkwell?rev=781620e9fa30e51a6e03bd0d49b5f5bb7a782520#781620e9fa30e51a6e03bd0d49b5f5bb7a782520"
+source = "git+https://github.com/TheDan64/inkwell?rev=0a864ebf68b33d4d514b67796264b03898aa0944#0a864ebf68b33d4d514b67796264b03898aa0944"
 dependencies = [
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- "inkwell_internals 0.1.0 (git+https://github.com/TheDan64/inkwell?rev=781620e9fa30e51a6e03bd0d49b5f5bb7a782520)",
+ "inkwell_internals 0.1.0 (git+https://github.com/TheDan64/inkwell?rev=0a864ebf68b33d4d514b67796264b03898aa0944)",
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "llvm-sys 80.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
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 version = "0.1.0"
-source = "git+https://github.com/TheDan64/inkwell?rev=781620e9fa30e51a6e03bd0d49b5f5bb7a782520#781620e9fa30e51a6e03bd0d49b5f5bb7a782520"
+source = "git+https://github.com/TheDan64/inkwell?rev=0a864ebf68b33d4d514b67796264b03898aa0944#0a864ebf68b33d4d514b67796264b03898aa0944"
 dependencies = [
- "cargo_toml 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
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  "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "reqwest 0.9.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -842,14 +539,6 @@ dependencies = [
  "syn 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
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-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
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@@ -914,11 +603,6 @@ dependencies = [
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 ]
 
-[[package]]
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-
 [[package]]
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@@ -954,83 +638,6 @@ dependencies = [
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 ]
 
-[[package]]
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- "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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@@ -1065,36 +672,6 @@ name = "once_cell"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
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-version = "0.10.26"
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-dependencies = [
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- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.53 (registry+https://github.com/rust-lang/crates.io-index)",
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-
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- "cc 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "vcpkg 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
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 version = "0.4.0"
@@ -1141,6 +718,15 @@ dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lock_api 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "parking_lot_core"
 version = "0.6.2"
@@ -1156,19 +742,17 @@ dependencies = [
 ]
 
 [[package]]
-name = "percent-encoding"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "pkg-config"
-version = "0.3.17"
+name = "parking_lot_core"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "plain"
@@ -1199,27 +783,15 @@ name = "proc-macro2"
 version = "0.4.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "publicsuffix"
-version = "1.5.4"
+name = "proc-macro2"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "idna 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1238,24 +810,6 @@ dependencies = [
  "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
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-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
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- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
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- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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- "rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
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 version = "0.7.2"
@@ -1268,15 +822,6 @@ dependencies = [
  "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
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-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_chacha"
 version = "0.2.1"
@@ -1307,14 +852,6 @@ dependencies = [
  "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
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-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
@@ -1323,24 +860,6 @@ dependencies = [
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand_isaac"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_os"
 version = "0.1.3"
@@ -1354,23 +873,6 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand_pcg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_xoshiro"
 version = "0.1.0"
@@ -1457,44 +959,6 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
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- "http 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.12.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper-tls 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "mime 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
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- "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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-
 [[package]]
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@@ -1516,15 +980,6 @@ dependencies = [
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 ]
 
-[[package]]
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- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
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@@ -1549,25 +1004,6 @@ dependencies = [
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 ]
 
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-]
-
 [[package]]
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@@ -1626,22 +1062,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
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@@ -1660,14 +1080,6 @@ name = "stable_deref_trait"
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-
 [[package]]
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@@ -1783,129 +1195,6 @@ dependencies = [
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 ]
 
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@@ -1914,19 +1203,6 @@ dependencies = [
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@@ -1954,30 +1230,6 @@ dependencies = [
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@@ -2082,16 +1291,6 @@ dependencies = [
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@@ -2618,17 +1747,12 @@ dependencies = [
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@@ -2636,12 +1760,9 @@ dependencies = [
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-"checksum string 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d24114bfcceb867ca7f71a0d3fe45d45619ec47a6fbfa98cb14e14250bfa5d6d"
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@@ -2654,41 +1775,19 @@ dependencies = [
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-"checksum want 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b6395efa4784b027708f7451087e647ec73cc74f5d9bc2e418404248d679a230"
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@@ -2699,5 +1798,3 @@ dependencies = [
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 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-"checksum winreg 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b2986deb581c4fe11b621998a5e53361efe6b48a151178d0cd9eeffa4dc6acc9"
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diff --git a/lib/llvm-backend/Cargo.toml b/lib/llvm-backend/Cargo.toml
index f08bff86483..fe7e7fe085f 100644
--- a/lib/llvm-backend/Cargo.toml
+++ b/lib/llvm-backend/Cargo.toml
@@ -19,13 +19,13 @@ byteorder = "1"
 
 [target.'cfg(target_arch = "x86_64")'.dependencies.inkwell]
 git = "https://github.com/TheDan64/inkwell"
-rev = "781620e9fa30e51a6e03bd0d49b5f5bb7a782520"
+rev = "0a864ebf68b33d4d514b67796264b03898aa0944"
 default-features = false
 features = ["llvm8-0", "target-x86"]
 
 [target.'cfg(target_arch = "aarch64")'.dependencies.inkwell]
 git = "https://github.com/TheDan64/inkwell"
-rev = "781620e9fa30e51a6e03bd0d49b5f5bb7a782520"
+rev = "0a864ebf68b33d4d514b67796264b03898aa0944"
 default-features = false
 features = ["llvm8-0", "target-aarch64"]