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[X86][AVX] Added test for broadcast shuffle from binary sources with undefs (D36393)
llvm-svn: 310317
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@ -851,6 +851,30 @@ define <4 x double> @broadcast_shuffle_1000(double* %p) {
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ret <4 x double> %3
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}
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define <4 x double> @broadcast_shuffle1032(double* %p) {
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; X32-LABEL: broadcast_shuffle1032:
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; X32: ## BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
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; X32-NEXT: vmovddup {{.*#+}} xmm1 = xmm0[0,0]
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; X32-NEXT: vinsertf128 $1, %xmm0, %ymm1, %ymm0
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; X32-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[1,0,3,2]
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; X32-NEXT: retl
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;
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; X64-LABEL: broadcast_shuffle1032:
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; X64: ## BB#0:
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; X64-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
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; X64-NEXT: vmovddup {{.*#+}} xmm1 = xmm0[0,0]
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; X64-NEXT: vinsertf128 $1, %xmm0, %ymm1, %ymm0
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; X64-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[1,0,3,2]
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; X64-NEXT: retq
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%1 = load double, double* %p
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%2 = insertelement <2 x double> undef, double %1, i32 1
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%3 = insertelement <2 x double> undef, double %1, i32 0
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%4 = shufflevector <2 x double> %2, <2 x double> %3, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
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ret <4 x double> %4
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}
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;
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; When VBROADCAST replaces an existing load, ensure it still respects lifetime dependencies.
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;
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