diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2006-05-03 20:32:03 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-05-03 20:32:03 +0000 |
| commit | 9e062ed516472c112451318980fd0e96eef94bff (patch) | |
| tree | bc39277f40900609adc933e28167276e73da664e /test/CodeGen | |
| parent | 5a032de387831b9de3a707292eade95934938da9 (diff) | |
Use movsd to shuffle in the lowest two elements of a v4f32 / v4i32 vector when
movlps cannot be used (e.g. when load from m64 has multiple uses).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28089 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/X86/vec_shuffle-5.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vec_shuffle-5.ll b/test/CodeGen/X86/vec_shuffle-5.ll new file mode 100644 index 0000000000..ac9c667aa4 --- /dev/null +++ b/test/CodeGen/X86/vec_shuffle-5.ll @@ -0,0 +1,11 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movsd | wc -l | grep 1 + +void %test() { + %tmp1 = load <4 x float>* null + %tmp2 = shufflevector <4 x float> %tmp1, <4 x float> < float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00 >, <4 x uint> < uint 0, uint 1, uint 6, uint 7 > + %tmp3 = shufflevector <4 x float> %tmp1, <4 x float> zeroinitializer, <4 x uint> < uint 2, uint 3, uint 6, uint 7 > + %tmp4 = add <4 x float> %tmp2, %tmp3 + store <4 x float> %tmp4, <4 x float>* null + ret void +} + |