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| author | Andrew Trick <atrick@apple.com> | 2011-06-15 17:16:12 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2011-06-15 17:16:12 +0000 |
| commit | 3013b6ae4ac3a6a141483fd5af7b0995ffb8dcec (patch) | |
| tree | 1bf327d788e68530283c28edea176108273b4e06 /llvm/test/CodeGen/X86/2011-06-14-PreschedRegalias.ll | |
| parent | 19a1f425a7f122f5c1734e213d8f7c90a13c68bb (diff) | |
| download | bcm5719-llvm-3013b6ae4ac3a6a141483fd5af7b0995ffb8dcec.tar.gz bcm5719-llvm-3013b6ae4ac3a6a141483fd5af7b0995ffb8dcec.zip | |
Added -stress-sched flag in the Asserts build.
Added a test case for handling physreg aliases during pre-RA-sched.
llvm-svn: 133063
Diffstat (limited to 'llvm/test/CodeGen/X86/2011-06-14-PreschedRegalias.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/2011-06-14-PreschedRegalias.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/2011-06-14-PreschedRegalias.ll b/llvm/test/CodeGen/X86/2011-06-14-PreschedRegalias.ll new file mode 100644 index 00000000000..690c27f3ed3 --- /dev/null +++ b/llvm/test/CodeGen/X86/2011-06-14-PreschedRegalias.ll @@ -0,0 +1,17 @@ +; RUN: llc < %s -march=x86-64 -stress-sched | FileCheck %s +; Test interference between physreg aliases during preRAsched. +; mul wants an operand in AL, but call clobbers it. + +define i8 @f(i8 %v1, i8 %v2) nounwind { +entry: +; CHECK: callq +; CHECK: movb %{{.*}}, %al +; CHECK: mulb +; CHECK: mulb + %rval = tail call i8 @bar() nounwind + %m1 = mul i8 %v1, %v2 + %m2 = mul i8 %m1, %rval + ret i8 %m2 +} + +declare i8 @bar() |
