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| author | Mon P Wang <wangmp@apple.com> | 2010-02-18 22:33:18 +0000 |
|---|---|---|
| committer | Mon P Wang <wangmp@apple.com> | 2010-02-18 22:33:18 +0000 |
| commit | c94892513de8361d1c4f71c503834c6f70446a4c (patch) | |
| tree | 02f0abd82d47c38b34638daf22672264adc1855f /llvm/test/CodeGen | |
| parent | aaaf2bfffbd6f4e735ffcd8ce0b578ffaa244a40 (diff) | |
| download | bcm5719-llvm-c94892513de8361d1c4f71c503834c6f70446a4c.tar.gz bcm5719-llvm-c94892513de8361d1c4f71c503834c6f70446a4c.zip | |
getSplatIndex assumes that the first element of the mask contains the splat index
which is not always true if the mask contains undefs. Modified it to return
the first non undef value.
llvm-svn: 96621
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/vec_shuffle-36.ll | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/llvm/test/CodeGen/X86/vec_shuffle-36.ll b/llvm/test/CodeGen/X86/vec_shuffle-36.ll index 8a93a7eeee3..1ea37c881e7 100644 --- a/llvm/test/CodeGen/X86/vec_shuffle-36.ll +++ b/llvm/test/CodeGen/X86/vec_shuffle-36.ll @@ -1,9 +1,16 @@ -; RUN: llc < %s -march=x86 -mattr=sse41 -o %t -; RUN: grep pshufb %t | count 1 - +; RUN: llc < %s -march=x86-64 -mattr=sse41 | FileCheck %s define <8 x i16> @shuf6(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone { +; CHECK: pshufb +; CHECK-NOT: pshufb +; CHECK: ret entry: - %tmp9 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 3, i32 2, i32 0, i32 2, i32 1, i32 5, i32 6 , i32 undef > - ret <8 x i16> %tmp9 + %tmp9 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 3, i32 2, i32 0, i32 2, i32 1, i32 5, i32 6 , i32 undef > + ret <8 x i16> %tmp9 } + +define <8 x i16> @shuf7(<8 x i16> %t0) { +; CHECK: pshufd + %tmp10 = shufflevector <8 x i16> %t0, <8 x i16> undef, <8 x i32> < i32 undef, i32 2, i32 2, i32 2, i32 2, i32 2, i32 undef, i32 undef > + ret <8 x i16> %tmp10 +}
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