From 58ae4a9a5388d9c2c5e4ac435ea69a2b456ab008 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 2 May 2020 12:13:27 +0200 Subject: [PATCH 01/12] de-promote Duration::from_secs --- src/libcore/time.rs | 1 - 1 file changed, 1 deletion(-) diff --git a/src/libcore/time.rs b/src/libcore/time.rs index ed1d5d46db5c4..e2ceaf80c0cda 100644 --- a/src/libcore/time.rs +++ b/src/libcore/time.rs @@ -152,7 +152,6 @@ impl Duration { /// ``` #[stable(feature = "duration", since = "1.3.0")] #[inline] - #[rustc_promotable] #[rustc_const_stable(feature = "duration_consts", since = "1.32.0")] pub const fn from_secs(secs: u64) -> Duration { Duration { secs, nanos: 0 } From 071f0422c6dd897bc61891f96d4448df44d8069f Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Thu, 28 May 2020 22:12:31 +0300 Subject: [PATCH 02/12] linker: Add a linker rerun hack for gcc versions not supporting -static-pie --- src/librustc_codegen_ssa/back/link.rs | 65 +++++++++++++++++--- src/librustc_target/spec/tests/tests_impl.rs | 5 ++ 2 files changed, 62 insertions(+), 8 deletions(-) diff --git a/src/librustc_codegen_ssa/back/link.rs b/src/librustc_codegen_ssa/back/link.rs index 9a7c4907754b0..b322e9a8fef1c 100644 --- a/src/librustc_codegen_ssa/back/link.rs +++ b/src/librustc_codegen_ssa/back/link.rs @@ -12,7 +12,7 @@ use rustc_session::utils::NativeLibKind; /// need out of the shared crate context before we get rid of it. use rustc_session::{filesearch, Session}; use rustc_span::symbol::Symbol; -use rustc_target::spec::crt_objects::CrtObjectsFallback; +use rustc_target::spec::crt_objects::{CrtObjects, CrtObjectsFallback}; use rustc_target::spec::{LinkOutputKind, LinkerFlavor, LldFlavor}; use rustc_target::spec::{PanicStrategy, RelocModel, RelroLevel}; @@ -25,16 +25,10 @@ use crate::{looks_like_rust_object_file, CodegenResults, CrateInfo, METADATA_FIL use cc::windows_registry; use tempfile::{Builder as TempFileBuilder, TempDir}; -use std::ascii; -use std::char; -use std::env; use std::ffi::OsString; -use std::fmt; -use std::fs; -use std::io; use std::path::{Path, PathBuf}; use std::process::{ExitStatus, Output, Stdio}; -use std::str; +use std::{ascii, char, env, fmt, fs, io, mem, str}; pub fn remove(sess: &Session, path: &Path) { if let Err(e) = fs::remove_file(path) { @@ -543,6 +537,61 @@ fn link_natively<'a, B: ArchiveBuilder<'a>>( continue; } + // Detect '-static-pie' used with an older version of gcc or clang not supporting it. + // Fallback from '-static-pie' to '-static' in that case. + if sess.target.target.options.linker_is_gnu + && flavor != LinkerFlavor::Ld + && (out.contains("unrecognized command line option") + || out.contains("unknown argument")) + && (out.contains("-static-pie") || out.contains("--no-dynamic-linker")) + && cmd.get_args().iter().any(|e| e.to_string_lossy() == "-static-pie") + { + info!("linker output: {:?}", out); + warn!( + "Linker does not support -static-pie command line option. Retrying with -static instead." + ); + // Mirror `add_(pre,post)_link_objects` to replace CRT objects. + let fallback = crt_objects_fallback(sess, crate_type); + let opts = &sess.target.target.options; + let pre_objects = + if fallback { &opts.pre_link_objects_fallback } else { &opts.pre_link_objects }; + let post_objects = + if fallback { &opts.post_link_objects_fallback } else { &opts.post_link_objects }; + let get_objects = |objects: &CrtObjects, kind| { + objects + .get(&kind) + .iter() + .copied() + .flatten() + .map(|obj| get_object_file_path(sess, obj).into_os_string()) + .collect::>() + }; + let pre_objects_static_pie = get_objects(pre_objects, LinkOutputKind::StaticPicExe); + let post_objects_static_pie = get_objects(post_objects, LinkOutputKind::StaticPicExe); + let mut pre_objects_static = get_objects(pre_objects, LinkOutputKind::StaticNoPicExe); + let mut post_objects_static = get_objects(post_objects, LinkOutputKind::StaticNoPicExe); + // Assume that we know insertion positions for the replacement arguments from replaced + // arguments, which is true for all supported targets. + assert!(pre_objects_static.is_empty() || !pre_objects_static_pie.is_empty()); + assert!(post_objects_static.is_empty() || !post_objects_static_pie.is_empty()); + for arg in cmd.take_args() { + if arg.to_string_lossy() == "-static-pie" { + // Replace the output kind. + cmd.arg("-static"); + } else if pre_objects_static_pie.contains(&arg) { + // Replace the pre-link objects (replace the first and remove the rest). + cmd.args(mem::take(&mut pre_objects_static)); + } else if post_objects_static_pie.contains(&arg) { + // Replace the post-link objects (replace the first and remove the rest). + cmd.args(mem::take(&mut post_objects_static)); + } else { + cmd.arg(arg); + } + } + info!("{:?}", &cmd); + continue; + } + // Here's a terribly awful hack that really shouldn't be present in any // compiler. Here an environment variable is supported to automatically // retry the linker invocation if the linker looks like it segfaulted. diff --git a/src/librustc_target/spec/tests/tests_impl.rs b/src/librustc_target/spec/tests/tests_impl.rs index 4cf186bdd7c1a..fb3f912ffde1a 100644 --- a/src/librustc_target/spec/tests/tests_impl.rs +++ b/src/librustc_target/spec/tests/tests_impl.rs @@ -39,5 +39,10 @@ impl Target { assert_eq!(self.options.lld_flavor, LldFlavor::Link); } } + assert!( + (self.options.pre_link_objects_fallback.is_empty() + && self.options.post_link_objects_fallback.is_empty()) + || self.options.crt_objects_fallback.is_some() + ); } } From 7242bda3dc6ad638392577fd43d1e30c3671ae74 Mon Sep 17 00:00:00 2001 From: Jonas Schievink Date: Sat, 30 May 2020 03:04:15 +0200 Subject: [PATCH 03/12] Be more careful around ty::Error in generators --- src/librustc_mir/transform/generator.rs | 69 +++++++++++++++---------- src/librustc_ty/needs_drop.rs | 10 +++- 2 files changed, 51 insertions(+), 28 deletions(-) diff --git a/src/librustc_mir/transform/generator.rs b/src/librustc_mir/transform/generator.rs index 461b13c4f6382..60c040c25f97c 100644 --- a/src/librustc_mir/transform/generator.rs +++ b/src/librustc_mir/transform/generator.rs @@ -669,40 +669,33 @@ fn compute_storage_conflicts( storage_conflicts } -fn compute_layout<'tcx>( +/// Validates the typeck view of the generator against the actual set of types retained between +/// yield points. +fn sanitize_witness<'tcx>( tcx: TyCtxt<'tcx>, - source: MirSource<'tcx>, + body: &Body<'tcx>, + did: DefId, + witness: Ty<'tcx>, upvars: &Vec>, - interior: Ty<'tcx>, - always_live_locals: &storage::AlwaysLiveLocals, - movable: bool, - body: &mut Body<'tcx>, -) -> ( - FxHashMap, VariantIdx, usize)>, - GeneratorLayout<'tcx>, - IndexVec>>, + retained: &BitSet, ) { - // Use a liveness analysis to compute locals which are live across a suspension point - let LivenessInfo { - live_locals, - live_locals_at_suspension_points, - storage_conflicts, - storage_liveness, - } = locals_live_across_suspend_points(tcx, body, source, always_live_locals, movable); - - // Erase regions from the types passed in from typeck so we can compare them with - // MIR types let allowed_upvars = tcx.erase_regions(upvars); - let allowed = match interior.kind { + let allowed = match witness.kind { ty::GeneratorWitness(s) => tcx.erase_late_bound_regions(&s), - _ => bug!(), + _ => { + tcx.sess.delay_span_bug( + body.span, + &format!("unexpected generator witness type {:?}", witness.kind), + ); + return; + } }; - let param_env = tcx.param_env(source.def_id()); + let param_env = tcx.param_env(did); for (local, decl) in body.local_decls.iter_enumerated() { - // Ignore locals which are internal or not live - if !live_locals.contains(local) || decl.internal { + // Ignore locals which are internal or not retained between yields. + if !retained.contains(local) || decl.internal { continue; } let decl_ty = tcx.normalize_erasing_regions(param_env, decl.ty); @@ -715,10 +708,34 @@ fn compute_layout<'tcx>( "Broken MIR: generator contains type {} in MIR, \ but typeck only knows about {}", decl.ty, - interior + witness, ); } } +} + +fn compute_layout<'tcx>( + tcx: TyCtxt<'tcx>, + source: MirSource<'tcx>, + upvars: &Vec>, + interior: Ty<'tcx>, + always_live_locals: &storage::AlwaysLiveLocals, + movable: bool, + body: &mut Body<'tcx>, +) -> ( + FxHashMap, VariantIdx, usize)>, + GeneratorLayout<'tcx>, + IndexVec>>, +) { + // Use a liveness analysis to compute locals which are live across a suspension point + let LivenessInfo { + live_locals, + live_locals_at_suspension_points, + storage_conflicts, + storage_liveness, + } = locals_live_across_suspend_points(tcx, body, source, always_live_locals, movable); + + sanitize_witness(tcx, body, source.def_id(), interior, upvars, &live_locals); // Gather live local types and their indices. let mut locals = IndexVec::::new(); diff --git a/src/librustc_ty/needs_drop.rs b/src/librustc_ty/needs_drop.rs index 1b059fa3dbdf0..ca5477ef4a986 100644 --- a/src/librustc_ty/needs_drop.rs +++ b/src/librustc_ty/needs_drop.rs @@ -98,7 +98,7 @@ where } } - ty::Generator(_, substs, _) => { + ty::Generator(def_id, substs, _) => { let substs = substs.as_generator(); for upvar_ty in substs.upvar_tys() { queue_type(self, upvar_ty); @@ -107,7 +107,13 @@ where let witness = substs.witness(); let interior_tys = match &witness.kind { ty::GeneratorWitness(tys) => tcx.erase_late_bound_regions(tys), - _ => bug!(), + _ => { + tcx.sess.delay_span_bug( + tcx.hir().span_if_local(def_id).unwrap_or(DUMMY_SP), + &format!("unexpected generator witness type {:?}", witness), + ); + return Some(Err(AlwaysRequiresDrop)); + } }; for interior_ty in interior_tys { From 95e9768da1236c55a50d322c01693cd48f27e813 Mon Sep 17 00:00:00 2001 From: Tom Eccles Date: Wed, 20 May 2020 17:53:22 +0100 Subject: [PATCH 04/12] test: codegen: skip tests inappropriate for riscv64 --- src/test/codegen/abi-main-signature-16bit-c-int.rs | 1 + src/test/codegen/abi-sysv64.rs | 1 + src/test/codegen/abi-x86-interrupt.rs | 1 + src/test/codegen/fastcall-inreg.rs | 1 + src/test/codegen/repr-transparent-aggregates-1.rs | 1 + src/test/codegen/repr-transparent-aggregates-2.rs | 1 + src/test/codegen/repr-transparent.rs | 3 +++ src/test/codegen/stack-probes.rs | 1 + src/test/codegen/x86_mmx.rs | 1 + 9 files changed, 11 insertions(+) diff --git a/src/test/codegen/abi-main-signature-16bit-c-int.rs b/src/test/codegen/abi-main-signature-16bit-c-int.rs index d7b8c48c33e98..4ed491dfb2b43 100644 --- a/src/test/codegen/abi-main-signature-16bit-c-int.rs +++ b/src/test/codegen/abi-main-signature-16bit-c-int.rs @@ -10,6 +10,7 @@ // ignore-mips64 // ignore-powerpc // ignore-powerpc64 +// ignore-riscv64 // ignore-s390x // ignore-sparc // ignore-sparc64 diff --git a/src/test/codegen/abi-sysv64.rs b/src/test/codegen/abi-sysv64.rs index 6456ad47615e8..89c9bcee052fb 100644 --- a/src/test/codegen/abi-sysv64.rs +++ b/src/test/codegen/abi-sysv64.rs @@ -4,6 +4,7 @@ // ignore-arm // ignore-aarch64 +// ignore-riscv64 sysv64 not supported // compile-flags: -C no-prepopulate-passes diff --git a/src/test/codegen/abi-x86-interrupt.rs b/src/test/codegen/abi-x86-interrupt.rs index db215860f206b..25c155c949dcd 100644 --- a/src/test/codegen/abi-x86-interrupt.rs +++ b/src/test/codegen/abi-x86-interrupt.rs @@ -4,6 +4,7 @@ // ignore-arm // ignore-aarch64 +// ignore-riscv64 x86-interrupt is not supported // compile-flags: -C no-prepopulate-passes diff --git a/src/test/codegen/fastcall-inreg.rs b/src/test/codegen/fastcall-inreg.rs index f67487c83ba23..adbeae454494a 100644 --- a/src/test/codegen/fastcall-inreg.rs +++ b/src/test/codegen/fastcall-inreg.rs @@ -17,6 +17,7 @@ // ignore-powerpc64le // ignore-powerpc // ignore-r600 +// ignore-riscv64 // ignore-amdgcn // ignore-sparc // ignore-sparc64 diff --git a/src/test/codegen/repr-transparent-aggregates-1.rs b/src/test/codegen/repr-transparent-aggregates-1.rs index 018a7ba4756a9..c23c57c8c5900 100644 --- a/src/test/codegen/repr-transparent-aggregates-1.rs +++ b/src/test/codegen/repr-transparent-aggregates-1.rs @@ -7,6 +7,7 @@ // ignore-mips64 // ignore-powerpc // ignore-powerpc64 +// ignore-riscv64 see codegen/riscv-abi // ignore-windows // See repr-transparent.rs diff --git a/src/test/codegen/repr-transparent-aggregates-2.rs b/src/test/codegen/repr-transparent-aggregates-2.rs index 5669858672074..07e5af11f3577 100644 --- a/src/test/codegen/repr-transparent-aggregates-2.rs +++ b/src/test/codegen/repr-transparent-aggregates-2.rs @@ -6,6 +6,7 @@ // ignore-powerpc // ignore-powerpc64 // ignore-powerpc64le +// ignore-riscv64 see codegen/riscv-abi // ignore-s390x // ignore-sparc // ignore-sparc64 diff --git a/src/test/codegen/repr-transparent.rs b/src/test/codegen/repr-transparent.rs index 49fd015624ace..7647e0198769c 100644 --- a/src/test/codegen/repr-transparent.rs +++ b/src/test/codegen/repr-transparent.rs @@ -1,5 +1,8 @@ // compile-flags: -C no-prepopulate-passes +// ignore-riscv64 riscv64 has an i128 type used with test_Vector +// see codegen/riscv-abi for riscv functiona call tests + #![crate_type="lib"] #![feature(repr_simd, transparent_unions)] diff --git a/src/test/codegen/stack-probes.rs b/src/test/codegen/stack-probes.rs index b8ebf338cbf97..3e3222d4735ad 100644 --- a/src/test/codegen/stack-probes.rs +++ b/src/test/codegen/stack-probes.rs @@ -5,6 +5,7 @@ // ignore-powerpc // ignore-powerpc64 // ignore-powerpc64le +// ignore-riscv64 // ignore-s390x // ignore-sparc // ignore-sparc64 diff --git a/src/test/codegen/x86_mmx.rs b/src/test/codegen/x86_mmx.rs index a08ba3617403f..9a58ef1c37a80 100644 --- a/src/test/codegen/x86_mmx.rs +++ b/src/test/codegen/x86_mmx.rs @@ -6,6 +6,7 @@ // ignore-powerpc // ignore-powerpc64 // ignore-powerpc64le +// ignore-riscv64 // ignore-sparc // ignore-sparc64 // ignore-s390x From c872dcf956e541315985ee5fdc592907c20df8ec Mon Sep 17 00:00:00 2001 From: Tom Eccles Date: Thu, 4 Jun 2020 10:46:58 +0100 Subject: [PATCH 05/12] test: codegen: riscv64-abi: print value numbers for unnamed func args LLVM 10 includes a009a60a917bc30940422bcef73f8270566d78db which will print value numbers for unnamed func args. Update these tests to be in line with the referenced clang tests. --- .../riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs | 14 ++++---- .../codegen/riscv-abi/riscv64-lp64d-abi.rs | 34 +++++++++---------- .../riscv-abi/riscv64-lp64f-lp64d-abi.rs | 34 +++++++++---------- 3 files changed, 41 insertions(+), 41 deletions(-) diff --git a/src/test/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs b/src/test/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs index f0f052fe5c557..180ba07764b61 100644 --- a/src/test/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs +++ b/src/test/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs @@ -39,12 +39,12 @@ pub extern "C" fn f_scalar_4(x: i64) -> i64 { x } -// CHECK: define float @f_fp_scalar_1(float) +// CHECK: define float @f_fp_scalar_1(float %0) #[no_mangle] pub extern "C" fn f_fp_scalar_1(x: f32) -> f32 { x } -// CHECK: define double @f_fp_scalar_2(double) +// CHECK: define double @f_fp_scalar_2(double %0) #[no_mangle] pub extern "C" fn f_fp_scalar_2(x: f64) -> f64 { x @@ -67,7 +67,7 @@ pub struct Tiny { d: u16, } -// CHECK: define void @f_agg_tiny(i64) +// CHECK: define void @f_agg_tiny(i64 %0) #[no_mangle] pub extern "C" fn f_agg_tiny(mut e: Tiny) { e.a += e.b; @@ -86,7 +86,7 @@ pub struct Small { b: *mut i64, } -// CHECK: define void @f_agg_small([2 x i64]) +// CHECK: define void @f_agg_small([2 x i64] %0) #[no_mangle] pub extern "C" fn f_agg_small(mut x: Small) { x.a += unsafe { *x.b }; @@ -104,7 +104,7 @@ pub struct SmallAligned { a: i128, } -// CHECK: define void @f_agg_small_aligned(i128) +// CHECK: define void @f_agg_small_aligned(i128 %0) #[no_mangle] pub extern "C" fn f_agg_small_aligned(mut x: SmallAligned) { x.a += x.a; @@ -130,7 +130,7 @@ pub extern "C" fn f_agg_large_ret(i: i32, j: i8) -> Large { Large { a: 1, b: 2, c: 3, d: 4 } } -// CHECK: define void @f_scalar_stack_1(i64, [2 x i64], i128, %Large* {{.*}}%d, i8 zeroext %e, i8 signext %f, i8 %g, i8 %h) +// CHECK: define void @f_scalar_stack_1(i64 %0, [2 x i64] %1, i128 %2, %Large* {{.*}}%d, i8 zeroext %e, i8 signext %f, i8 %g, i8 %h) #[no_mangle] pub extern "C" fn f_scalar_stack_1( a: Tiny, @@ -144,7 +144,7 @@ pub extern "C" fn f_scalar_stack_1( ) { } -// CHECK: define void @f_scalar_stack_2(%Large* {{.*}}sret{{.*}}, i64 %a, i128, i128, i64 %d, i8 zeroext %e, i8 %f, i8 %g) +// CHECK: define void @f_scalar_stack_2(%Large* {{.*}}sret{{.*}} %0, i64 %a, i128 %1, i128 %2, i64 %d, i8 zeroext %e, i8 %f, i8 %g) #[no_mangle] pub extern "C" fn f_scalar_stack_2( a: u64, diff --git a/src/test/codegen/riscv-abi/riscv64-lp64d-abi.rs b/src/test/codegen/riscv-abi/riscv64-lp64d-abi.rs index 66a3b9e4952a9..0b6e1878d4d3e 100644 --- a/src/test/codegen/riscv-abi/riscv64-lp64d-abi.rs +++ b/src/test/codegen/riscv-abi/riscv64-lp64d-abi.rs @@ -4,7 +4,7 @@ // only-linux #![crate_type = "lib"] -// CHECK: define void @f_fpr_tracking(double, double, double, double, double, double, double, double, i8 zeroext %i) +// CHECK: define void @f_fpr_tracking(double %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, i8 zeroext %i) #[no_mangle] pub extern "C" fn f_fpr_tracking( a: f64, @@ -36,7 +36,7 @@ pub struct DoubleFloat { g: f32, } -// CHECK: define void @f_double_s_arg(double) +// CHECK: define void @f_double_s_arg(double %0) #[no_mangle] pub extern "C" fn f_double_s_arg(a: Double) {} @@ -46,7 +46,7 @@ pub extern "C" fn f_ret_double_s() -> Double { Double { f: 1. } } -// CHECK: define void @f_double_double_s_arg({ double, double }) +// CHECK: define void @f_double_double_s_arg({ double, double } %0) #[no_mangle] pub extern "C" fn f_double_double_s_arg(a: DoubleDouble) {} @@ -56,7 +56,7 @@ pub extern "C" fn f_ret_double_double_s() -> DoubleDouble { DoubleDouble { f: 1., g: 2. } } -// CHECK: define void @f_double_float_s_arg({ double, float }) +// CHECK: define void @f_double_float_s_arg({ double, float } %0) #[no_mangle] pub extern "C" fn f_double_float_s_arg(a: DoubleFloat) {} @@ -66,7 +66,7 @@ pub extern "C" fn f_ret_double_float_s() -> DoubleFloat { DoubleFloat { f: 1., g: 2. } } -// CHECK: define void @f_double_double_s_arg_insufficient_fprs(double, double, double, double, double, double, double, [2 x i64]) +// CHECK: define void @f_double_double_s_arg_insufficient_fprs(double %0, double %1, double %2, double %3, double %4, double %5, double %6, [2 x i64] %7) #[no_mangle] pub extern "C" fn f_double_double_s_arg_insufficient_fprs( a: f64, @@ -104,7 +104,7 @@ pub struct DoubleInt64 { i: i64, } -// CHECK: define void @f_double_int8_s_arg({ double, i8 }) +// CHECK: define void @f_double_int8_s_arg({ double, i8 } %0) #[no_mangle] pub extern "C" fn f_double_int8_s_arg(a: DoubleInt8) {} @@ -114,7 +114,7 @@ pub extern "C" fn f_ret_double_int8_s() -> DoubleInt8 { DoubleInt8 { f: 1., i: 2 } } -// CHECK: define void @f_double_int32_s_arg({ double, i32 }) +// CHECK: define void @f_double_int32_s_arg({ double, i32 } %0) #[no_mangle] pub extern "C" fn f_double_int32_s_arg(a: DoubleInt32) {} @@ -124,7 +124,7 @@ pub extern "C" fn f_ret_double_int32_s() -> DoubleInt32 { DoubleInt32 { f: 1., i: 2 } } -// CHECK: define void @f_double_uint8_s_arg({ double, i8 }) +// CHECK: define void @f_double_uint8_s_arg({ double, i8 } %0) #[no_mangle] pub extern "C" fn f_double_uint8_s_arg(a: DoubleUInt8) {} @@ -134,7 +134,7 @@ pub extern "C" fn f_ret_double_uint8_s() -> DoubleUInt8 { DoubleUInt8 { f: 1., i: 2 } } -// CHECK: define void @f_double_int64_s_arg({ double, i64 }) +// CHECK: define void @f_double_int64_s_arg({ double, i64 } %0) #[no_mangle] pub extern "C" fn f_double_int64_s_arg(a: DoubleInt64) {} @@ -144,7 +144,7 @@ pub extern "C" fn f_ret_double_int64_s() -> DoubleInt64 { DoubleInt64 { f: 1., i: 2 } } -// CHECK: define void @f_double_int8_s_arg_insufficient_gprs(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e, i32 signext %f, i32 signext %g, i32 signext %h, [2 x i64]) +// CHECK: define void @f_double_int8_s_arg_insufficient_gprs(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e, i32 signext %f, i32 signext %g, i32 signext %h, [2 x i64] %0) #[no_mangle] pub extern "C" fn f_double_int8_s_arg_insufficient_gprs( a: i32, @@ -159,7 +159,7 @@ pub extern "C" fn f_double_int8_s_arg_insufficient_gprs( ) { } -// CHECK: define void @f_struct_double_int8_insufficient_fprs(float, double, double, double, double, double, double, double, [2 x i64]) +// CHECK: define void @f_struct_double_int8_insufficient_fprs(float %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, [2 x i64] %8) #[no_mangle] pub extern "C" fn f_struct_double_int8_insufficient_fprs( a: f32, @@ -179,7 +179,7 @@ pub struct DoubleArr1 { a: [f64; 1], } -// CHECK: define void @f_doublearr1_s_arg(double) +// CHECK: define void @f_doublearr1_s_arg(double %0) #[no_mangle] pub extern "C" fn f_doublearr1_s_arg(a: DoubleArr1) {} @@ -194,7 +194,7 @@ pub struct DoubleArr2 { a: [f64; 2], } -// CHECK: define void @f_doublearr2_s_arg({ double, double }) +// CHECK: define void @f_doublearr2_s_arg({ double, double } %0) #[no_mangle] pub extern "C" fn f_doublearr2_s_arg(a: DoubleArr2) {} @@ -214,7 +214,7 @@ pub struct DoubleArr2Tricky1 { g: [Tricky1; 2], } -// CHECK: define void @f_doublearr2_tricky1_s_arg({ double, double }) +// CHECK: define void @f_doublearr2_tricky1_s_arg({ double, double } %0) #[no_mangle] pub extern "C" fn f_doublearr2_tricky1_s_arg(a: DoubleArr2Tricky1) {} @@ -233,7 +233,7 @@ pub struct DoubleArr2Tricky2 { g: [Tricky1; 2], } -// CHECK: define void @f_doublearr2_tricky2_s_arg({ double, double }) +// CHECK: define void @f_doublearr2_tricky2_s_arg({ double, double } %0) #[no_mangle] pub extern "C" fn f_doublearr2_tricky2_s_arg(a: DoubleArr2Tricky2) {} @@ -267,7 +267,7 @@ pub struct CharCharDouble { c: f64, } -// CHECK: define void @f_char_char_double_s_arg([2 x i64]) +// CHECK: define void @f_char_char_double_s_arg([2 x i64] %0) #[no_mangle] pub extern "C" fn f_char_char_double_s_arg(a: CharCharDouble) {} @@ -282,7 +282,7 @@ pub union DoubleU { a: f64, } -// CHECK: define void @f_double_u_arg(i64) +// CHECK: define void @f_double_u_arg(i64 %0) #[no_mangle] pub extern "C" fn f_double_u_arg(a: DoubleU) {} diff --git a/src/test/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs b/src/test/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs index d843331f425de..1cea6e3db2a84 100644 --- a/src/test/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs +++ b/src/test/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs @@ -4,7 +4,7 @@ // only-linux #![crate_type = "lib"] -// CHECK: define void @f_fpr_tracking(float, float, float, float, float, float, float, float, i8 zeroext %i) +// CHECK: define void @f_fpr_tracking(float %0, float %1, float %2, float %3, float %4, float %5, float %6, float %7, i8 zeroext %i) #[no_mangle] pub extern "C" fn f_fpr_tracking( a: f32, @@ -30,7 +30,7 @@ pub struct FloatFloat { g: f32, } -// CHECK: define void @f_float_s_arg(float) +// CHECK: define void @f_float_s_arg(float %0) #[no_mangle] pub extern "C" fn f_float_s_arg(a: Float) {} @@ -40,7 +40,7 @@ pub extern "C" fn f_ret_float_s() -> Float { Float { f: 1. } } -// CHECK: define void @f_float_float_s_arg({ float, float }) +// CHECK: define void @f_float_float_s_arg({ float, float } %0) #[no_mangle] pub extern "C" fn f_float_float_s_arg(a: FloatFloat) {} @@ -50,7 +50,7 @@ pub extern "C" fn f_ret_float_float_s() -> FloatFloat { FloatFloat { f: 1., g: 2. } } -// CHECK: define void @f_float_float_s_arg_insufficient_fprs(float, float, float, float, float, float, float, i64) +// CHECK: define void @f_float_float_s_arg_insufficient_fprs(float %0, float %1, float %2, float %3, float %4, float %5, float %6, i64 %7) #[no_mangle] pub extern "C" fn f_float_float_s_arg_insufficient_fprs( a: f32, @@ -88,7 +88,7 @@ pub struct FloatInt64 { i: i64, } -// CHECK: define void @f_float_int8_s_arg({ float, i8 }) +// CHECK: define void @f_float_int8_s_arg({ float, i8 } %0) #[no_mangle] pub extern "C" fn f_float_int8_s_arg(a: FloatInt8) {} @@ -98,7 +98,7 @@ pub extern "C" fn f_ret_float_int8_s() -> FloatInt8 { FloatInt8 { f: 1., i: 2 } } -// CHECK: define void @f_float_int32_s_arg({ float, i32 }) +// CHECK: define void @f_float_int32_s_arg({ float, i32 } %0) #[no_mangle] pub extern "C" fn f_float_int32_s_arg(a: FloatInt32) {} @@ -108,7 +108,7 @@ pub extern "C" fn f_ret_float_int32_s() -> FloatInt32 { FloatInt32 { f: 1., i: 2 } } -// CHECK: define void @f_float_uint8_s_arg({ float, i8 }) +// CHECK: define void @f_float_uint8_s_arg({ float, i8 } %0) #[no_mangle] pub extern "C" fn f_float_uint8_s_arg(a: FloatUInt8) {} @@ -118,7 +118,7 @@ pub extern "C" fn f_ret_float_uint8_s() -> FloatUInt8 { FloatUInt8 { f: 1., i: 2 } } -// CHECK: define void @f_float_int64_s_arg({ float, i64 }) +// CHECK: define void @f_float_int64_s_arg({ float, i64 } %0) #[no_mangle] pub extern "C" fn f_float_int64_s_arg(a: FloatInt64) {} @@ -128,7 +128,7 @@ pub extern "C" fn f_ret_float_int64_s() -> FloatInt64 { FloatInt64 { f: 1., i: 2 } } -// CHECK: define void @f_float_int8_s_arg_insufficient_gprs(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e, i32 signext %f, i32 signext %g, i32 signext %h, i64) +// CHECK: define void @f_float_int8_s_arg_insufficient_gprs(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e, i32 signext %f, i32 signext %g, i32 signext %h, i64 %0) #[no_mangle] pub extern "C" fn f_float_int8_s_arg_insufficient_gprs( a: i32, @@ -143,7 +143,7 @@ pub extern "C" fn f_float_int8_s_arg_insufficient_gprs( ) { } -// CHECK: define void @f_struct_float_int8_insufficient_fprs(float, float, float, float, float, float, float, float, i64) +// CHECK: define void @f_struct_float_int8_insufficient_fprs(float %0, float %1, float %2, float %3, float %4, float %5, float %6, float %7, i64 %8) #[no_mangle] pub extern "C" fn f_struct_float_int8_insufficient_fprs( a: f32, @@ -163,7 +163,7 @@ pub struct FloatArr1 { a: [f32; 1], } -// CHECK: define void @f_floatarr1_s_arg(float) +// CHECK: define void @f_floatarr1_s_arg(float %0) #[no_mangle] pub extern "C" fn f_floatarr1_s_arg(a: FloatArr1) {} @@ -178,7 +178,7 @@ pub struct FloatArr2 { a: [f32; 2], } -// CHECK: define void @f_floatarr2_s_arg({ float, float }) +// CHECK: define void @f_floatarr2_s_arg({ float, float } %0) #[no_mangle] pub extern "C" fn f_floatarr2_s_arg(a: FloatArr2) {} @@ -198,7 +198,7 @@ pub struct FloatArr2Tricky1 { g: [Tricky1; 2], } -// CHECK: define void @f_floatarr2_tricky1_s_arg({ float, float }) +// CHECK: define void @f_floatarr2_tricky1_s_arg({ float, float } %0) #[no_mangle] pub extern "C" fn f_floatarr2_tricky1_s_arg(a: FloatArr2Tricky1) {} @@ -217,7 +217,7 @@ pub struct FloatArr2Tricky2 { g: [Tricky1; 2], } -// CHECK: define void @f_floatarr2_tricky2_s_arg({ float, float }) +// CHECK: define void @f_floatarr2_tricky2_s_arg({ float, float } %0) #[no_mangle] pub extern "C" fn f_floatarr2_tricky2_s_arg(a: FloatArr2Tricky2) {} @@ -234,7 +234,7 @@ pub struct IntFloatInt { c: i32, } -// CHECK: define void @f_int_float_int_s_arg([2 x i64]) +// CHECK: define void @f_int_float_int_s_arg([2 x i64] %0) #[no_mangle] pub extern "C" fn f_int_float_int_s_arg(a: IntFloatInt) {} @@ -251,7 +251,7 @@ pub struct CharCharFloat { c: f32, } -// CHECK: define void @f_char_char_float_s_arg(i64) +// CHECK: define void @f_char_char_float_s_arg(i64 %0) #[no_mangle] pub extern "C" fn f_char_char_float_s_arg(a: CharCharFloat) {} @@ -266,7 +266,7 @@ pub union FloatU { a: f32, } -// CHECK: define void @f_float_u_arg(i64) +// CHECK: define void @f_float_u_arg(i64 %0) #[no_mangle] pub extern "C" fn f_float_u_arg(a: FloatU) {} From 37e8e0571279265f8abfdd9dd93fbc58677029df Mon Sep 17 00:00:00 2001 From: Tom Eccles Date: Thu, 4 Jun 2020 11:13:52 +0100 Subject: [PATCH 06/12] test: codegen: Add riscv abi llvm intrinsics test --- src/test/codegen/call-llvm-intrinsics.rs | 2 ++ .../codegen/riscv-abi/call-llvm-intrinsics.rs | 30 +++++++++++++++++++ 2 files changed, 32 insertions(+) create mode 100644 src/test/codegen/riscv-abi/call-llvm-intrinsics.rs diff --git a/src/test/codegen/call-llvm-intrinsics.rs b/src/test/codegen/call-llvm-intrinsics.rs index c7a464a9b0ef2..24e3d3cd64b58 100644 --- a/src/test/codegen/call-llvm-intrinsics.rs +++ b/src/test/codegen/call-llvm-intrinsics.rs @@ -1,5 +1,7 @@ // compile-flags: -C no-prepopulate-passes +// ignore-riscv64 + #![feature(link_llvm_intrinsics)] #![crate_type = "lib"] diff --git a/src/test/codegen/riscv-abi/call-llvm-intrinsics.rs b/src/test/codegen/riscv-abi/call-llvm-intrinsics.rs new file mode 100644 index 0000000000000..f100a23a31897 --- /dev/null +++ b/src/test/codegen/riscv-abi/call-llvm-intrinsics.rs @@ -0,0 +1,30 @@ +// compile-flags: -C no-prepopulate-passes + +// only-riscv64 + +#![feature(link_llvm_intrinsics)] +#![crate_type = "lib"] + +struct A; + +impl Drop for A { + fn drop(&mut self) { + println!("A"); + } +} + +extern { + #[link_name = "llvm.sqrt.f32"] + fn sqrt(x: f32) -> f32; +} + +pub fn do_call() { + let _a = A; + + unsafe { + // Ensure that we `call` LLVM intrinsics instead of trying to `invoke` them + // CHECK: store float 4.000000e+00, float* %{{.}}, align 4 + // CHECK: call float @llvm.sqrt.f32(float %{{.}} + sqrt(4.0); + } +} From 08529aff80e2fb955ff295a1cb600c4401d47d9c Mon Sep 17 00:00:00 2001 From: Tom Eccles Date: Thu, 4 Jun 2020 12:13:36 +0100 Subject: [PATCH 07/12] test: codegen: skip catch-unwind on riscv64 It isn't clear to me if this is a bug or not, hence the FIXME --- src/test/codegen/catch-unwind.rs | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/test/codegen/catch-unwind.rs b/src/test/codegen/catch-unwind.rs index 3c9bc35d1c8bd..7ff9c0d15e003 100644 --- a/src/test/codegen/catch-unwind.rs +++ b/src/test/codegen/catch-unwind.rs @@ -1,5 +1,14 @@ // compile-flags: -O +// On x86 the closure is inlined in foo() producting something like +// define i32 @foo() [...] { +// tail call void @bar() [...] +// ret i32 0 +// } +// On riscv the closure is another function, placed before fn foo so CHECK can't +// find it +// ignore-riscv64 FIXME + #![crate_type = "lib"] extern "C" { From 94605b97e74bfaf627676bfb627ae1f1f11829cd Mon Sep 17 00:00:00 2001 From: "Felix S. Klock II" Date: Wed, 3 Jun 2020 11:46:54 -0400 Subject: [PATCH 08/12] run-make regression test for issue #70924. --- .../incr-add-rust-src-component/Makefile | 39 +++++++++++++++++++ .../incr-add-rust-src-component/main.rs | 3 ++ 2 files changed, 42 insertions(+) create mode 100644 src/test/run-make-fulldeps/incr-add-rust-src-component/Makefile create mode 100644 src/test/run-make-fulldeps/incr-add-rust-src-component/main.rs diff --git a/src/test/run-make-fulldeps/incr-add-rust-src-component/Makefile b/src/test/run-make-fulldeps/incr-add-rust-src-component/Makefile new file mode 100644 index 0000000000000..164cc8a5d5fe0 --- /dev/null +++ b/src/test/run-make-fulldeps/incr-add-rust-src-component/Makefile @@ -0,0 +1,39 @@ +-include ../tools.mk + +# rust-lang/rust#70924: Test that if we add rust-src component in between two +# incremetnal compiles, the compiler does not ICE on the second. + +SYSROOT:=$(shell $(RUSTC) --print sysroot) +FAKEROOT=$(TMPDIR)/fakeroot +INCR=$(TMPDIR)/incr + +# Make a local copy of the sysroot; then remove the rust-src part of it, if +# present, for the *first* build. Then put in a facsimile of the rust-src +# component for the second build, in order to expose the ICE from issue #70924. +# +# Note that it is much easier to just do `cp -a $(SYSROOT)/* $(FAKEROOT)` as a +# first step, but I am concerned that would be too expensive in a unit test +# compared to making symbolic links. +# +# Anyway, the pattern you'll see here is: For every prefix in +# root/lib/rustlib/src, link all of prefix parent content, then remove the +# prefix, then loop on the next prefix. This way, we basically create a copy of +# the context around root/lib/rustlib/src, and can freely add/remove the src +# component itself. +all: + mkdir $(FAKEROOT) + ln -s $(SYSROOT)/* $(FAKEROOT) + rm -f $(FAKEROOT)/lib + mkdir $(FAKEROOT)/lib + ln -s $(SYSROOT)/lib/* $(FAKEROOT)/lib + rm -f $(FAKEROOT)/lib/rustlib + mkdir $(FAKEROOT)/lib/rustlib + ln -s $(SYSROOT)/lib/rustlib/* $(FAKEROOT)/lib/rustlib + rm -f $(FAKEROOT)/lib/rustlib/src + mkdir $(FAKEROOT)/lib/rustlib/src + ln -s $(SYSROOT)/lib/rustlib/src/* $(FAKEROOT)/lib/rustlib/src + rm -f $(FAKEROOT)/lib/rustlib/src/rust + $(RUSTC) --sysroot $(FAKEROOT) -C incremental=$(INCR) main.rs + mkdir -p $(FAKEROOT)/lib/rustlib/src/rust/src/libstd + touch $(FAKEROOT)/lib/rustlib/src/rust/src/libstd/lib.rs + $(RUSTC) --sysroot $(FAKEROOT) -C incremental=$(INCR) main.rs diff --git a/src/test/run-make-fulldeps/incr-add-rust-src-component/main.rs b/src/test/run-make-fulldeps/incr-add-rust-src-component/main.rs new file mode 100644 index 0000000000000..f6320bcb04aa8 --- /dev/null +++ b/src/test/run-make-fulldeps/incr-add-rust-src-component/main.rs @@ -0,0 +1,3 @@ +fn main() { + println!("Hello World"); +} From 2764e54c29d0f19242e794d5eecd00cc5470f530 Mon Sep 17 00:00:00 2001 From: Yoshua Wuyts Date: Fri, 5 Jun 2020 01:49:50 +0200 Subject: [PATCH 09/12] impl ToSocketAddrs for (String, u16) --- src/libstd/net/addr.rs | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/libstd/net/addr.rs b/src/libstd/net/addr.rs index b780340884e1f..25897c502ec5e 100644 --- a/src/libstd/net/addr.rs +++ b/src/libstd/net/addr.rs @@ -1000,6 +1000,14 @@ impl ToSocketAddrs for (&str, u16) { } } +#[stable(feature = "string_u16_to_socket_addrs", since = "1.46.0")] +impl ToSocketAddrs for (String, u16) { + type Iter = vec::IntoIter; + fn to_socket_addrs(&self) -> io::Result> { + (&*self.0, self.1).to_socket_addrs() + } +} + // accepts strings like 'localhost:12345' #[stable(feature = "rust1", since = "1.0.0")] impl ToSocketAddrs for str { From a9d5dffe99e7559beffdfedf165107eeef36ba19 Mon Sep 17 00:00:00 2001 From: "Felix S. Klock II" Date: Fri, 5 Jun 2020 12:11:33 -0400 Subject: [PATCH 10/12] Ignore windows in the test. --- .../run-make-fulldeps/incr-add-rust-src-component/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/test/run-make-fulldeps/incr-add-rust-src-component/Makefile b/src/test/run-make-fulldeps/incr-add-rust-src-component/Makefile index 164cc8a5d5fe0..50ff3dd56ce92 100644 --- a/src/test/run-make-fulldeps/incr-add-rust-src-component/Makefile +++ b/src/test/run-make-fulldeps/incr-add-rust-src-component/Makefile @@ -3,6 +3,11 @@ # rust-lang/rust#70924: Test that if we add rust-src component in between two # incremetnal compiles, the compiler does not ICE on the second. +# This test uses `ln -s` rather than copying to save testing time, but its +# usage doesn't work on windows. So ignore windows. + +# ignore-windows + SYSROOT:=$(shell $(RUSTC) --print sysroot) FAKEROOT=$(TMPDIR)/fakeroot INCR=$(TMPDIR)/incr From 84e4777ae203c0ce93faad89abf4ab1f0b006af2 Mon Sep 17 00:00:00 2001 From: marmeladema Date: Sat, 6 Jun 2020 00:38:39 +0100 Subject: [PATCH 11/12] save_analysis: fix ice in `get_expr_data` --- src/librustc_save_analysis/lib.rs | 10 +++++++--- src/test/ui/save-analysis/issue-73022.rs | 13 +++++++++++++ 2 files changed, 20 insertions(+), 3 deletions(-) create mode 100644 src/test/ui/save-analysis/issue-73022.rs diff --git a/src/librustc_save_analysis/lib.rs b/src/librustc_save_analysis/lib.rs index 8c7731c18e9c4..0341b54252661 100644 --- a/src/librustc_save_analysis/lib.rs +++ b/src/librustc_save_analysis/lib.rs @@ -534,10 +534,14 @@ impl<'l, 'tcx> SaveContext<'l, 'tcx> { } } } - hir::ExprKind::Struct(hir::QPath::Resolved(_, path), ..) => { + hir::ExprKind::Struct(qpath, ..) => { + let segment = match qpath { + hir::QPath::Resolved(_, path) => path.segments.last().unwrap(), + hir::QPath::TypeRelative(_, segment) => segment, + }; match self.tables.expr_ty_adjusted(&hir_node).kind { ty::Adt(def, _) if !def.is_enum() => { - let sub_span = path.segments.last().unwrap().ident.span; + let sub_span = segment.ident.span; filter!(self.span_utils, sub_span); let span = self.span_from_span(sub_span); Some(Data::RefData(Ref { @@ -580,7 +584,7 @@ impl<'l, 'tcx> SaveContext<'l, 'tcx> { } _ => { // FIXME - bug!(); + bug!("invalid expression: {:?}", expr); } } } diff --git a/src/test/ui/save-analysis/issue-73022.rs b/src/test/ui/save-analysis/issue-73022.rs new file mode 100644 index 0000000000000..9ad89a319ba3b --- /dev/null +++ b/src/test/ui/save-analysis/issue-73022.rs @@ -0,0 +1,13 @@ +// build-pass +// compile-flags: -Zsave-analysis +enum Enum2 { + Variant8 { _field: bool }, +} + +impl Enum2 { + fn new_variant8() -> Enum2 { + Self::Variant8 { _field: true } + } +} + +fn main() {} From 4d6a307f3f8090005ac2d12e49254aefeab478dd Mon Sep 17 00:00:00 2001 From: marmeladema Date: Sat, 6 Jun 2020 00:54:28 +0100 Subject: [PATCH 12/12] save_analysis: fix panic in `write_sub_paths_truncated` --- src/librustc_save_analysis/dump_visitor.rs | 8 +++++--- src/test/ui/save-analysis/issue-73020.rs | 5 +++++ src/test/ui/save-analysis/issue-73020.stderr | 9 +++++++++ 3 files changed, 19 insertions(+), 3 deletions(-) create mode 100644 src/test/ui/save-analysis/issue-73020.rs create mode 100644 src/test/ui/save-analysis/issue-73020.stderr diff --git a/src/librustc_save_analysis/dump_visitor.rs b/src/librustc_save_analysis/dump_visitor.rs index a5e61ab9ab033..0c76c9108dd56 100644 --- a/src/librustc_save_analysis/dump_visitor.rs +++ b/src/librustc_save_analysis/dump_visitor.rs @@ -210,9 +210,11 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { // As write_sub_paths, but does not process the last ident in the path (assuming it // will be processed elsewhere). See note on write_sub_paths about global. fn write_sub_paths_truncated(&mut self, path: &'tcx hir::Path<'tcx>) { - for seg in &path.segments[..path.segments.len() - 1] { - if let Some(data) = self.save_ctxt.get_path_segment_data(seg) { - self.dumper.dump_ref(data); + if path.segments.len() > 0 { + for seg in &path.segments[..path.segments.len() - 1] { + if let Some(data) = self.save_ctxt.get_path_segment_data(seg) { + self.dumper.dump_ref(data); + } } } } diff --git a/src/test/ui/save-analysis/issue-73020.rs b/src/test/ui/save-analysis/issue-73020.rs new file mode 100644 index 0000000000000..87ce0933681c5 --- /dev/null +++ b/src/test/ui/save-analysis/issue-73020.rs @@ -0,0 +1,5 @@ +// compile-flags: -Zsave-analysis +use {self}; //~ ERROR E0431 + +fn main () { +} diff --git a/src/test/ui/save-analysis/issue-73020.stderr b/src/test/ui/save-analysis/issue-73020.stderr new file mode 100644 index 0000000000000..5bb3aae99975c --- /dev/null +++ b/src/test/ui/save-analysis/issue-73020.stderr @@ -0,0 +1,9 @@ +error[E0431]: `self` import can only appear in an import list with a non-empty prefix + --> $DIR/issue-73020.rs:2:6 + | +LL | use {self}; + | ^^^^ can only appear in an import list with a non-empty prefix + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0431`.