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| author | Evan Cheng <evan.cheng@apple.com> | 2008-05-23 21:23:16 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-05-23 21:23:16 +0000 |
| commit | cd0baf21a1f3582ada94d11cf1ccbf342b504077 (patch) | |
| tree | 57d4d609a1f5d2cfc38d5c26f9ff669ef7b7598e /test/CodeGen/X86 | |
| parent | 3bf19e4c42203a8691d8d3fbdb5fcf8ab2f6597b (diff) | |
| download | external_llvm-cd0baf21a1f3582ada94d11cf1ccbf342b504077.zip external_llvm-cd0baf21a1f3582ada94d11cf1ccbf342b504077.tar.gz external_llvm-cd0baf21a1f3582ada94d11cf1ccbf342b504077.tar.bz2 | |
Use movlps / movhps to modify low / high half of 16-byet memory location.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51501 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86')
| -rw-r--r-- | test/CodeGen/X86/vec_shuffle-18.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vec_shuffle-18.ll b/test/CodeGen/X86/vec_shuffle-18.ll new file mode 100644 index 0000000..5e05690 --- /dev/null +++ b/test/CodeGen/X86/vec_shuffle-18.ll @@ -0,0 +1,25 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep mov | count 7 + + %struct.vector4_t = type { <4 x float> } + +define void @swizzle(i8* %a, %struct.vector4_t* %b, %struct.vector4_t* %c) nounwind { +entry: + %tmp9 = getelementptr %struct.vector4_t* %b, i32 0, i32 0 ; <<4 x float>*> [#uses=2] + %tmp10 = load <4 x float>* %tmp9, align 16 ; <<4 x float>> [#uses=1] + %tmp14 = bitcast i8* %a to double* ; <double*> [#uses=1] + %tmp15 = load double* %tmp14 ; <double> [#uses=1] + %tmp16 = insertelement <2 x double> undef, double %tmp15, i32 0 ; <<2 x double>> [#uses=1] + %tmp18 = bitcast <2 x double> %tmp16 to <4 x float> ; <<4 x float>> [#uses=1] + %tmp19 = shufflevector <4 x float> %tmp10, <4 x float> %tmp18, <4 x i32> < i32 4, i32 5, i32 2, i32 3 > ; <<4 x float>> [#uses=1] + store <4 x float> %tmp19, <4 x float>* %tmp9, align 16 + %tmp28 = getelementptr %struct.vector4_t* %c, i32 0, i32 0 ; <<4 x float>*> [#uses=2] + %tmp29 = load <4 x float>* %tmp28, align 16 ; <<4 x float>> [#uses=1] + %tmp26 = getelementptr i8* %a, i32 8 ; <i8*> [#uses=1] + %tmp33 = bitcast i8* %tmp26 to double* ; <double*> [#uses=1] + %tmp34 = load double* %tmp33 ; <double> [#uses=1] + %tmp35 = insertelement <2 x double> undef, double %tmp34, i32 0 ; <<2 x double>> [#uses=1] + %tmp37 = bitcast <2 x double> %tmp35 to <4 x float> ; <<4 x float>> [#uses=1] + %tmp38 = shufflevector <4 x float> %tmp29, <4 x float> %tmp37, <4 x i32> < i32 4, i32 5, i32 2, i32 3 > ; <<4 x float>> [#uses=1] + store <4 x float> %tmp38, <4 x float>* %tmp28, align 16 + ret void +} |