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| author | Renato Golin <renato.golin@linaro.org> | 2014-05-20 17:40:03 +0000 |
|---|---|---|
| committer | Renato Golin <renato.golin@linaro.org> | 2014-05-20 17:40:03 +0000 |
| commit | e919fcac05f3b2b62a801c40dcf37597e2479d69 (patch) | |
| tree | 9ca1bb8e65cbe011278ff95f07906039fe55e5cd /llvm/test/CodeGen/X86/stackpointer.ll | |
| parent | 7afd71e4ff5d13fdea68cd1261a96b19488d39db (diff) | |
| download | bcm5719-llvm-e919fcac05f3b2b62a801c40dcf37597e2479d69.tar.gz bcm5719-llvm-e919fcac05f3b2b62a801c40dcf37597e2479d69.zip | |
Avoids DCE on write_register
llvm-svn: 209222
Diffstat (limited to 'llvm/test/CodeGen/X86/stackpointer.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/stackpointer.ll | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/stackpointer.ll b/llvm/test/CodeGen/X86/stackpointer.ll index 26f9999fd5d..80bcfbf1674 100644 --- a/llvm/test/CodeGen/X86/stackpointer.ll +++ b/llvm/test/CodeGen/X86/stackpointer.ll @@ -1,11 +1,13 @@ ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s ; RUN: llc < %s -mtriple=x86_64-linux-gnueabi | FileCheck %s +; RUN: opt < %s -O3 -S -mtriple=x86_64-linux-gnueabi | FileCheck %s --check-prefix=OPT define i64 @get_stack() nounwind { entry: ; CHECK-LABEL: get_stack: ; CHECK: movq %rsp, %rax %sp = call i64 @llvm.read_register.i64(metadata !0) +; OPT: @llvm.read_register.i64 ret i64 %sp } @@ -14,6 +16,7 @@ entry: ; CHECK-LABEL: set_stack: ; CHECK: movq %rdi, %rsp call void @llvm.write_register.i64(metadata !0, i64 %val) +; OPT: @llvm.write_register.i64 ret void } |
