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| author | Michael Liao <michael.liao@intel.com> | 2013-11-26 20:31:31 +0000 |
|---|---|---|
| committer | Michael Liao <michael.liao@intel.com> | 2013-11-26 20:31:31 +0000 |
| commit | d617a3015dbc00da9fbef6914da8f119ad84ef89 (patch) | |
| tree | b26ce72906f157cae4697c5e3ae262776f187d67 /llvm/test/CodeGen | |
| parent | e43611fc45ad0151949aaab96131670f25b3dccb (diff) | |
| download | bcm5719-llvm-d617a3015dbc00da9fbef6914da8f119ad84ef89.tar.gz bcm5719-llvm-d617a3015dbc00da9fbef6914da8f119ad84ef89.zip | |
Fix PR18054
- Fix bug in (vsext (vzext x)) -> (vsext x) in SIGN_EXTEND_IN_REG
lowering where we need to check whether x is a vector type (in-reg
type) of i8, i16 or i32; otherwise, that optimization is not valid.
llvm-svn: 195779
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/pr18054.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/pr18054.ll b/llvm/test/CodeGen/X86/pr18054.ll new file mode 100644 index 00000000000..b7af5161804 --- /dev/null +++ b/llvm/test/CodeGen/X86/pr18054.ll @@ -0,0 +1,10 @@ +; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=penryn | FileCheck %s + +define void @foo(<16 x i32>* %p, <16 x i1> %x) { + %ret = sext <16 x i1> %x to <16 x i32> + store <16 x i32> %ret, <16 x i32>* %p + ret void +; CHECK: foo +; CHECK-NOT: pmovsxbd +; CHECK: ret +} |
