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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 | 44f4a2d8a95e7f12c61530a9b57854be009aef38 (patch) | |
| tree | 6c2baa54b41f29e63b7e47a83673cd3edfc6a528 /test/CodeGen/code-coverage.c | |
| parent | 8b39c6693aadd30f77ac039de69130c22e066994 (diff) | |
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>
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169755 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/code-coverage.c')
| -rw-r--r-- | test/CodeGen/code-coverage.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/code-coverage.c b/test/CodeGen/code-coverage.c new file mode 100644 index 0000000000..b073ae6d0b --- /dev/null +++ b/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 |