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fix a missing shuffle pattern, PR9009. Patch by Artiom Myaskouvskey!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124102 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-01-24 03:42:46 +00:00
parent 850bdd2fcc
commit ccea167db5
2 changed files with 12 additions and 0 deletions
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3
lib/Target/X86/X86InstrSSE.td
View File

@ -5799,6 +5799,9 @@ def : Pat<(X86Movlps VR128:$src1,
def : Pat<(v4f32 (X86Movlps VR128:$src1, VR128:$src2)),
(MOVSDrr VR128:$src1, (EXTRACT_SUBREG (v4f32 VR128:$src2), sub_sd))>;
def : Pat<(v4i32 (X86Movlps VR128:$src1, VR128:$src2)),
(MOVSDrr VR128:$src1, (EXTRACT_SUBREG (v4i32 VR128:$src2), sub_sd))>;
// Shuffle with MOVLPD
def : Pat<(v2f64 (X86Movlpd VR128:$src1, (load addr:$src2))),
(MOVLPDrm VR128:$src1, addr:$src2)>;

9
test/CodeGen/X86/sse2.ll
View File

@ -205,3 +205,12 @@ define <2 x double> @test16(<4 x double> * nocapture %srcA, <2 x double>* nocap
ret <2 x double> %i7
}
; PR9009
define fastcc void @test17() nounwind {
entry:
%0 = insertelement <4 x i32> undef, i32 undef, i32 1
%1 = shufflevector <4 x i32> <i32 undef, i32 undef, i32 32768, i32 32768>, <4 x i32> %0, <4 x i32> <i32 4, i32 5, i32 2, i32 3>
%2 = bitcast <4 x i32> %1 to <4 x float>
store <4 x float> %2, <4 x float> * undef
ret void
}