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| author | Bill Wendling <isanbard@gmail.com> | 2012-12-10 19:47:53 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2012-12-10 19:47:53 +0000 |
| commit | 9a12912c9abb0ee34885b6c2d45f693cc2155b32 (patch) | |
| tree | 5f302644e14efc142b9b22e4d0665835ac61747f | |
| parent | 74f334e476a62d0ddcd4751d266560a503e00d55 (diff) | |
| download | bcm5719-llvm-9a12912c9abb0ee34885b6c2d45f693cc2155b32.tar.gz bcm5719-llvm-9a12912c9abb0ee34885b6c2d45f693cc2155b32.zip | |
Specify if `-mno-red-zone' was used when creating the GCOV instrucmentation pass.
This prevents the functions generated by that pass from using the red zone.
<rdar://problem/12843084>
llvm-svn: 169755
| -rw-r--r-- | clang/lib/CodeGen/BackendUtil.cpp | 4 | ||||
| -rw-r--r-- | clang/test/CodeGen/code-coverage.c | 19 |
2 files changed, 22 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index f6e9dd7888e..e9608715427 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -294,7 +294,9 @@ void EmitAssemblyHelper::CreatePasses(TargetMachine *TM) { if (CodeGenOpts.EmitGcovArcs || CodeGenOpts.EmitGcovNotes) { MPM->add(createGCOVProfilerPass(CodeGenOpts.EmitGcovNotes, CodeGenOpts.EmitGcovArcs, - TargetTriple.isMacOSX())); + TargetTriple.isMacOSX(), + false, + CodeGenOpts.DisableRedZone)); if (CodeGenOpts.getDebugInfo() == CodeGenOptions::NoDebugInfo) MPM->add(createStripSymbolsPass(true)); diff --git a/clang/test/CodeGen/code-coverage.c b/clang/test/CodeGen/code-coverage.c new file mode 100644 index 00000000000..b073ae6d0b5 --- /dev/null +++ b/clang/test/CodeGen/code-coverage.c @@ -0,0 +1,19 @@ +// RUN: %clang_cc1 -O0 -mno-red-zone -fprofile-arcs -ftest-coverage -emit-llvm %s -o - | FileCheck %s +// <rdar://problem/12843084> + +int test1(int a) { + switch (a % 2) { + case 0: + ++a; + case 1: + a /= 2; + } + return a; +} + +// Check tha the `-mno-red-zone' flag is set here on the generated functions. + +// CHECK: void @__llvm_gcov_indirect_counter_increment(i32* %{{.*}}, i64** %{{.*}}) unnamed_addr noinline noredzone +// CHECK: void @__llvm_gcov_writeout() unnamed_addr noinline noredzone +// CHECK: void @__llvm_gcov_init() unnamed_addr noinline noredzone +// CHECK: void @__gcov_flush() unnamed_addr noinline noredzone |
