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[EntryExitInstrumenter] Move passes out of clang into LLVM default pipelines #92171

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merged 20 commits into from
May 31, 2024
Merged

[EntryExitInstrumenter] Move passes out of clang into LLVM default pipelines #92171

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df3f8df
wip: Move instrumentation passes
pasko May 6, 2024
3ea4de1
Address the first round of review comments
pasko May 15, 2024
c3d3637
Address 2nd round of comments
pasko May 16, 2024
5d46226
Run prelink instrumentation without LTO, plus tests
pasko May 21, 2024
5cabc69
Address review comments for the new tests
pasko May 22, 2024
e9c64d5
Remove a couple of clang tests
pasko May 22, 2024
d095f41
Add one more -O0 check in pre-inliner
pasko May 22, 2024
e5da299
Revert "Remove a couple of clang tests"
pasko May 23, 2024
1a4e5fb
Address comments in new tests
pasko May 23, 2024
ee48568
Merge branch 'main' into the instrumentation WIP PR
pasko May 23, 2024
fd92b90
For recovered tests in Clang only check attributes and disable llvm p…
pasko May 23, 2024
b65cec9
Convert more Clang tests to only check attributes
pasko May 24, 2024
9996036
Merge branch 'main'
pasko May 27, 2024
1abdb86
Run clang/test/CodeGen/... instrumentation tests only with -disable-l…
pasko May 27, 2024
27359fe
Move EntryExitInstrumenterPass to EarlyFPM
pasko May 27, 2024
bee1fb2
remove unnecessary condition
pasko May 29, 2024
e3f2097
Adjust passes in tests
pasko May 30, 2024
3579930
Whitespace beautify
pasko May 30, 2024
9270233
Add the pass in llvm/test/CodeGen/AMDGPU/llc-pipeline.ll
pasko May 31, 2024
34658c6
Merge 'main'
pasko May 31, 2024
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17 changes: 0 additions & 17 deletions clang/lib/CodeGen/BackendUtil.cpp
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Expand Up @@ -85,7 +85,6 @@
#include "llvm/Transforms/Scalar/GVN.h"
#include "llvm/Transforms/Scalar/JumpThreading.h"
#include "llvm/Transforms/Utils/Debugify.h"
#include "llvm/Transforms/Utils/EntryExitInstrumenter.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"
#include <memory>
#include <optional>
Expand Down Expand Up @@ -983,22 +982,6 @@ void EmitAssemblyHelper::RunOptimizationPipeline(
/*DropTypeTests=*/true));
});

if (CodeGenOpts.InstrumentFunctions ||
CodeGenOpts.InstrumentFunctionEntryBare ||
CodeGenOpts.InstrumentFunctionsAfterInlining ||
CodeGenOpts.InstrumentForProfiling) {
PB.registerPipelineStartEPCallback(
[](ModulePassManager &MPM, OptimizationLevel Level) {
MPM.addPass(createModuleToFunctionPassAdaptor(
EntryExitInstrumenterPass(/*PostInlining=*/false)));
});
PB.registerOptimizerLastEPCallback(
[](ModulePassManager &MPM, OptimizationLevel Level) {
MPM.addPass(createModuleToFunctionPassAdaptor(
EntryExitInstrumenterPass(/*PostInlining=*/true)));
});
}

// Register callbacks to schedule sanitizer passes at the appropriate part
// of the pipeline.
if (LangOpts.Sanitize.has(SanitizerKind::LocalBounds))
Expand Down
39 changes: 11 additions & 28 deletions clang/test/CodeGen/X86/x86_64-instrument-functions.c
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@@ -1,37 +1,20 @@
// REQUIRES: x86-registered-target
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -finstrument-functions -O0 -o - -emit-llvm %s | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -finstrument-functions -O2 -o - -emit-llvm %s | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -finstrument-functions-after-inlining -O2 -o - -emit-llvm %s | FileCheck -check-prefix=NOINLINE %s
// RUN: %clang_cc1 -disable-llvm-passes -triple x86_64-unknown-unknown -finstrument-functions -O0 -o - -emit-llvm %s | FileCheck %s
// RUN: %clang_cc1 -disable-llvm-passes -triple x86_64-unknown-unknown -finstrument-functions -O2 -o - -emit-llvm %s | FileCheck %s
// RUN: %clang_cc1 -disable-llvm-passes -triple x86_64-unknown-unknown -finstrument-functions-after-inlining -O2 -o - -emit-llvm %s | FileCheck -check-prefix=NOINLINE %s

__attribute__((always_inline)) int leaf(int x) {
return x;
// CHECK-LABEL: define {{.*}} @leaf
// CHECK: call void @__cyg_profile_func_enter
// CHECK-NOT: cyg_profile
// CHECK: call void @__cyg_profile_func_exit
// CHECK-NOT: cyg_profile
// CHECK: ret
// CHECK-LABEL: define {{.*}} @leaf(i32 noundef %x) #0 {
}

int root(int x) {
return leaf(x);
// CHECK-LABEL: define {{.*}} @root
// CHECK: call void @__cyg_profile_func_enter
// CHECK-NOT: cyg_profile

// Inlined from leaf():
// CHECK: call void @__cyg_profile_func_enter
// CHECK-NOT: cyg_profile
// CHECK: call void @__cyg_profile_func_exit
// CHECK-NOT: cyg_profile

// CHECK: call void @__cyg_profile_func_exit
// CHECK: ret

// NOINLINE-LABEL: define {{.*}} @root
// NOINLINE: call void @__cyg_profile_func_enter
// NOINLINE-NOT: cyg_profile
// NOINLINE: call void @__cyg_profile_func_exit
// NOINLINE-NOT: cyg_profile
// NOINLINE: ret
// CHECK-LABEL: define {{.*}} @root(i32 noundef %x) #1 {
// NOINLINE-LABEL: define {{.*}} @root(i32 noundef %x) #1 {
}

// CHECK: attributes #0 = { {{.*}}"instrument-function-entry"="__cyg_profile_func_enter" "instrument-function-exit"="__cyg_profile_func_exit"
// CHECK: attributes #1 = { {{.*}}"instrument-function-entry"="__cyg_profile_func_enter" "instrument-function-exit"="__cyg_profile_func_exit"
// NOINLINE: attributes #0 = { {{.*}}"instrument-function-entry-inlined"="__cyg_profile_func_enter" "instrument-function-exit-inlined"="__cyg_profile_func_exit"
// NOINLINE: attributes #1 = { {{.*}}"instrument-function-entry-inlined"="__cyg_profile_func_enter" "instrument-function-exit-inlined"="__cyg_profile_func_exit"
32 changes: 14 additions & 18 deletions clang/test/CodeGen/instrument-objc-method.m
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@@ -1,34 +1,30 @@
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -debug-info-kind=standalone -emit-llvm -o - %s -finstrument-functions | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -debug-info-kind=standalone -emit-llvm -o - %s -finstrument-function-entry-bare | FileCheck -check-prefix=BARE %s
// RUN: %clang_cc1 -disable-llvm-passes -triple x86_64-apple-darwin10 -debug-info-kind=standalone -emit-llvm -o - %s -finstrument-functions | FileCheck -check-prefix=PREINLINE %s
// RUN: %clang_cc1 -disable-llvm-passes -triple x86_64-apple-darwin10 -debug-info-kind=standalone -emit-llvm -o - %s -finstrument-function-entry-bare | FileCheck -check-prefix=BARE %s

@interface ObjCClass
@end

@implementation ObjCClass

// CHECK: @"\01+[ObjCClass initialize]"
// CHECK: call void @__cyg_profile_func_enter
// CHECK: call void @__cyg_profile_func_exit
// BARE: @"\01+[ObjCClass initialize]"
// BARE: call void @__cyg_profile_func_enter
// PREINLINE: @"\01+[ObjCClass initialize]"{{\(.*\)}} #0
// BARE: @"\01+[ObjCClass initialize]"{{\(.*\)}} #0
+ (void)initialize {
}

// CHECK: @"\01+[ObjCClass load]"
// CHECK-NOT: call void @__cyg_profile_func_enter
// BARE: @"\01+[ObjCClass load]"
// BARE-NOT: call void @__cyg_profile_func_enter
// PREINLINE: declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
// BARE: @"\01+[ObjCClass load]"{{\(.*\)}} #2
+ (void)load __attribute__((no_instrument_function)) {
}

// CHECK: @"\01-[ObjCClass dealloc]"
// CHECK-NOT: call void @__cyg_profile_func_enter
// BARE: @"\01-[ObjCClass dealloc]"
// BARE-NOT: call void @__cyg_profile_func_enter
// PREINLINE: @"\01-[ObjCClass dealloc]"{{\(.*\)}} #2
// BARE: @"\01-[ObjCClass dealloc]"{{\(.*\)}} #2
- (void)dealloc __attribute__((no_instrument_function)) {
}

// CHECK: declare void @__cyg_profile_func_enter(ptr, ptr)
// CHECK: declare void @__cyg_profile_func_exit(ptr, ptr)
// BARE: declare void @__cyg_profile_func_enter_bare
// PREINLINE: attributes #0 = { {{.*}}"instrument-function-entry"="__cyg_profile_func_enter"
// PREINLINE-NOT: attributes #0 = { {{.*}}"instrument-function-entry"="__cyg_profile_func_enter_bare"
// PREINLINE-NOT: attributes #2 = { {{.*}}"__cyg_profile_func_enter"
// BARE: attributes #0 = { {{.*}}"instrument-function-entry-inlined"="__cyg_profile_func_enter_bare"
// BARE-NOT: attributes #0 = { {{.*}}"__cyg_profile_func_enter"
// BARE-NOT: attributes #2 = { {{.*}}"__cyg_profile_func_enter_bare"
@end
6 changes: 4 additions & 2 deletions clang/test/CodeGen/lto-newpm-pipeline.c
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Expand Up @@ -27,8 +27,9 @@

// CHECK-FULL-O0: Running pass: VerifierPass
// CHECK-FULL-O0-NEXT: Running analysis: VerifierAnalysis
// CHECK-FULL-O0-NEXT: Running pass: AlwaysInlinerPass
// CHECK-FULL-O0-NEXT: Running analysis: InnerAnalysisManagerProxy
// CHECK-FULL-O0-NEXT: Running pass: EntryExitInstrumenterPass
// CHECK-FULL-O0-NEXT: Running pass: AlwaysInlinerPass
// CHECK-FULL-O0-NEXT: Running analysis: ProfileSummaryAnalysis
// CHECK-FULL-O0-NEXT: Running pass: CoroConditionalWrapper
// CHECK-FULL-O0-NEXT: Running pass: CanonicalizeAliasesPass
Expand All @@ -40,8 +41,9 @@

// CHECK-THIN-O0: Running pass: VerifierPass
// CHECK-THIN-O0-NEXT: Running analysis: VerifierAnalysis
// CHECK-THIN-O0-NEXT: Running pass: AlwaysInlinerPass
// CHECK-THIN-O0-NEXT: Running analysis: InnerAnalysisManagerProxy
// CHECK-THIN-O0-NEXT: Running pass: EntryExitInstrumenterPass
// CHECK-THIN-O0-NEXT: Running pass: AlwaysInlinerPass
// CHECK-THIN-O0-NEXT: Running analysis: ProfileSummaryAnalysis
// CHECK-THIN-O0-NEXT: Running pass: CoroConditionalWrapper
// CHECK-THIN-O0-NEXT: Running pass: CanonicalizeAliasesPass
Expand Down
24 changes: 6 additions & 18 deletions clang/test/CodeGen/mcount-aix.c
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@@ -1,25 +1,13 @@
// RUN: %clang_cc1 -pg -triple powerpc-ibm-aix7.2.0.0 -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -pg -triple powerpc64-ibm-aix7.2.0.0 -emit-llvm %s -o - | FileCheck %s -check-prefix=CHECK64
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple powerpc-ibm-aix7.2.0.0 -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple powerpc64-ibm-aix7.2.0.0 -emit-llvm %s -o - | FileCheck %s

void foo() {
// CHECK: define void @foo() #0 {
}

void bar() {
// CHECK: define void @bar() #0 {
foo();
}
// CHECK: @[[GLOB0:[0-9]+]] = internal global i32 0
// CHECK: @[[GLOB1:[0-9]+]] = internal global i32 0
// CHECK64: @[[GLOB0:[0-9]+]] = internal global i64 0
// CHECK64: @[[GLOB1:[0-9]+]] = internal global i64 0
// CHECK-LABEL: @foo(
// CHECK-NEXT: entry:
// CHECK-NEXT: call void @__mcount(ptr @[[GLOB0]])
// CHECK64-LABEL: @foo(
// CHECK64-NEXT: entry:
// CHECK64-NEXT: call void @__mcount(ptr @[[GLOB0]])
// CHECK-LABEL: @bar(
// CHECK-NEXT: entry:
// CHECK-NEXT: call void @__mcount(ptr @[[GLOB1]])
// CHECK64-LABEL: @bar(
// CHECK64-NEXT: entry:
// CHECK64-NEXT: call void @__mcount(ptr @[[GLOB1]])

// CHECK: attributes #0 = { {{.*}}"instrument-function-entry-inlined"="__mcount"
84 changes: 41 additions & 43 deletions clang/test/CodeGen/mcount.c
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@@ -1,60 +1,58 @@
// RUN: %clang_cc1 -pg -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -pg -triple i386-unknown-unknown -emit-llvm -O2 -o - %s | FileCheck %s
// RUN: %clang_cc1 -pg -triple powerpc-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple powerpc64-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple powerpc64le-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple i386-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple x86_64-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple arm-netbsd-eabi -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple aarch64-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple loongarch32 -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple loongarch64 -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple mips-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple mips-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple mipsel-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple mips64-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple mips64el-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple riscv32-elf -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple riscv64-elf -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple riscv32-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple riscv64-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple riscv64-freebsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple riscv64-freebsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple riscv64-openbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple powerpc-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple powerpc64-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple powerpc64le-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple sparc-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -pg -triple sparc64-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s -check-prefix=NO-MCOUNT
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple i386-unknown-unknown -emit-llvm -O2 -o - %s | FileCheck %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple powerpc-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple powerpc64-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple powerpc64le-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple i386-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple x86_64-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple arm-netbsd-eabi -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple aarch64-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple loongarch32 -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple loongarch64 -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple mips-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple mips-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple mipsel-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple mips64-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple mips64el-unknown-gnu-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple riscv32-elf -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple riscv64-elf -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple riscv32-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple riscv64-linux -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple riscv64-freebsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple riscv64-freebsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple riscv64-openbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple powerpc-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple powerpc64-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple powerpc64le-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple sparc-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -pg -triple sparc64-netbsd -emit-llvm -o - %s | FileCheck -check-prefixes=CHECK-DOUBLE-PREFIXED,NO-MCOUNT1 %s
// RUN: %clang_cc1 -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s -check-prefix=NO-MCOUNT

int bar(void) {
// CHECK: define dso_local i32 @bar() #0 {
return 0;
}

int foo(void) {
// CHECK: define dso_local i32 @foo() #0 {
return bar();
}

int __attribute__((no_instrument_function)) no_instrument(void) {
// CHECK: define dso_local i32 @no_instrument() #1 {
return foo();
}

int main(void) {
// CHECK: define dso_local i32 @main() #0 {
return no_instrument();
}

// CHECK: call void @mcount
// CHECK: call void @mcount
// CHECK: call void @mcount
// CHECK-NOT: call void @mcount
// CHECK-PREFIXED: call void @_mcount
// CHECK-PREFIXED: call void @_mcount
// CHECK-PREFIXED: call void @_mcount
// CHECK-PREFIXED-NOT: call void @_mcount
// CHECK-DOUBLE-PREFIXED: call void @__mcount
// CHECK-DOUBLE-PREFIXED: call void @__mcount
// CHECK-DOUBLE-PREFIXED: call void @__mcount
// CHECK-DOUBLE-PREFIXED-NOT: call void @__mcount
// NO-MCOUNT-NOT: call void @{{.*}}mcount
// NO-MCOUNT1-NOT: call void @{{.*}}mcount
// CHECK: attributes #0 = { {{.*}} "instrument-function-entry-inlined"="mcount"
// CHECK-NOT: attributes #1 = { {{.*}}"mcount"
// CHECK-PREFIXED: attributes #0 = { {{.*}} "instrument-function-entry-inlined"="_mcount"
// CHECK-PREFIXED-NOT: attributes #1 = { {{.*}}"_mcount"
// CHECK-DOUBLE-PREFIXED: attributes #0 = { {{.*}} "instrument-function-entry-inlined"="__mcount"
// CHECK-DOUBLE-PREFIXED-NOT: attributes #1 = { {{.*}}"__mcount"
// NO-MCOUNT-NOT: attributes{{.*}}mcount
// NO-MCOUNT1-NOT: attributes{{.*}}mcount
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