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Add one more pattern to fallback movddup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113522 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -5688,6 +5688,8 @@ def : Pat<(v2i64 (X86Movddup VR128:$src)),
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(MOVLHPSrr VR128:$src, VR128:$src)>;
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def : Pat<(v4f32 (X86Movddup VR128:$src)),
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(MOVLHPSrr VR128:$src, VR128:$src)>;
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def : Pat<(v2f64 (X86Movddup VR128:$src)),
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(UNPCKLPDrr VR128:$src, VR128:$src)>;
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// Shuffle with MOVLHPD
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def : Pat<(v2f64 (X86Movlhpd VR128:$src1,
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@ -1,4 +1,5 @@
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; RUN: llc < %s -march=x86-64 | FileCheck %s
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; RUN: llc -O0 < %s -march=x86 -mcpu=core2 | FileCheck %s --check-prefix=CHECK_O0
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define <4 x i32> @t00(<4 x i32>* %a0) nounwind ssp {
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entry:
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@ -12,3 +13,12 @@ entry:
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ret <4 x i32> %2
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}
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define void @t01(double* %a0) nounwind ssp {
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entry:
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; CHECK_O0: movsd (%eax), %xmm0
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; CHECK_O0: unpcklpd %xmm0, %xmm0
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%tmp93 = load double* %a0, align 8
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%vecinit94 = insertelement <2 x double> undef, double %tmp93, i32 1
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store <2 x double> %vecinit94, <2 x double>* undef
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ret void
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}
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