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| author | Akira Hatanaka <ahatanaka@apple.com> | 2015-06-09 19:04:36 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@apple.com> | 2015-06-09 19:04:36 +0000 |
| commit | 262a4c4ec02fdd62eeb2e1def510074068c33509 (patch) | |
| tree | cf5b0aec10c1b95ae69684606bcaeda682c6be9a /clang/test/CodeGen/attr-disable-tail-calls.c | |
| parent | 7fef2f5206afb9283a3c1dc76bebb3845847c3d5 (diff) | |
| download | bcm5719-llvm-262a4c4ec02fdd62eeb2e1def510074068c33509.tar.gz bcm5719-llvm-262a4c4ec02fdd62eeb2e1def510074068c33509.zip | |
Attach attribute "disable-tail-calls" to the functions in the IR.
This commit adds back the code that seems to have been dropped unintentionally
in r176985.
rdar://problem/13752163
Differential Revision: http://reviews.llvm.org/D10100
llvm-svn: 239426
Diffstat (limited to 'clang/test/CodeGen/attr-disable-tail-calls.c')
| -rw-r--r-- | clang/test/CodeGen/attr-disable-tail-calls.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/clang/test/CodeGen/attr-disable-tail-calls.c b/clang/test/CodeGen/attr-disable-tail-calls.c new file mode 100644 index 00000000000..81413492ff3 --- /dev/null +++ b/clang/test/CodeGen/attr-disable-tail-calls.c @@ -0,0 +1,11 @@ +// RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -mdisable-tail-calls -o - | FileCheck %s -check-prefix=CHECK -check-prefix=DISABLE +// RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -o - | FileCheck %s -check-prefix=CHECK -check-prefix=ENABLE + +// CHECK: define i32 @f1() [[ATTR:#[0-9]+]] { + +int f1() { + return 0; +} + +// DISABLE: attributes [[ATTR]] = { {{.*}} "disable-tail-calls"="true" {{.*}} } +// ENABLE: attributes [[ATTR]] = { {{.*}} "disable-tail-calls"="false" {{.*}} } |
