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| author | Dan Gohman <gohman@apple.com> | 2009-01-27 00:40:27 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-01-27 00:40:27 +0000 |
| commit | 4e1fae512514a705722bc978dfba7f6f546a8cf3 (patch) | |
| tree | bec8391b5522befd5d8f601e37c272e4c3c9ee86 /test/CodeGen/X86/red-zone.ll | |
| parent | 336b636dd7d9f690cae4eff27e46b138c1f586db (diff) | |
Add a regression test for x86-64 red zone usage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63075 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/red-zone.ll')
| -rw-r--r-- | test/CodeGen/X86/red-zone.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/red-zone.ll b/test/CodeGen/X86/red-zone.ll new file mode 100644 index 00000000000..60e16b05ca7 --- /dev/null +++ b/test/CodeGen/X86/red-zone.ll @@ -0,0 +1,13 @@ +; RUN: llvm-as < %s | llc -march=x86-64 > %t +; RUN: not grep subq %t +; RUN: not grep addq %t +; RUN: grep {\\-4(%%rsp)} %t | count 2 +; RUN: llvm-as < %s | llc -march=x86-64 -disable-red-zone > %t +; RUN: grep subq %t | count 1 +; RUN: grep addq %t | count 1 + +define x86_fp80 @f0(float %f) nounwind readnone { +entry: + %0 = fpext float %f to x86_fp80 ; <x86_fp80> [#uses=1] + ret x86_fp80 %0 +} |