From ea4b5cb48f9f277abbd823534cb5d21ca9670ff7 Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Sun, 10 Feb 2019 12:55:44 +0000 Subject: [PATCH] [X86][SSE] Add SimplifyDemandedBits test for BLENDVPD git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353638 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/combine-sse41-intrinsics.ll | 26 ++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/test/CodeGen/X86/combine-sse41-intrinsics.ll b/test/CodeGen/X86/combine-sse41-intrinsics.ll index f35bff6a833..7944aec30e1 100644 --- a/test/CodeGen/X86/combine-sse41-intrinsics.ll +++ b/test/CodeGen/X86/combine-sse41-intrinsics.ll @@ -127,6 +127,32 @@ define <16 x i8> @demandedelts_pblendvb(<16 x i8> %a0, <16 x i8> %a1, <16 x i8> ret <16 x i8> %5 } +define <2 x i64> @demandedbits_blendpd(i64 %a0, i64 %a2, <2 x double> %a3) { +; CHECK-LABEL: demandedbits_blendpd: +; CHECK: # %bb.0: +; CHECK-NEXT: movq %rdi, %rax +; CHECK-NEXT: orq $1, %rax +; CHECK-NEXT: orq $4, %rdi +; CHECK-NEXT: movq %rax, %xmm1 +; CHECK-NEXT: movq %rdi, %xmm2 +; CHECK-NEXT: movq {{.*#+}} xmm1 = xmm1[0],zero +; CHECK-NEXT: movq {{.*#+}} xmm2 = xmm2[0],zero +; CHECK-NEXT: blendvpd %xmm0, %xmm2, %xmm1 +; CHECK-NEXT: psrlq $11, %xmm1 +; CHECK-NEXT: movdqa %xmm1, %xmm0 +; CHECK-NEXT: retq + %1 = or i64 %a0, 1 + %2 = or i64 %a0, 4 + %3 = bitcast i64 %1 to double + %4 = bitcast i64 %2 to double + %5 = insertelement <2 x double> zeroinitializer, double %3, i32 0 + %6 = insertelement <2 x double> zeroinitializer, double %4, i32 0 + %7 = tail call <2 x double> @llvm.x86.sse41.blendvpd(<2 x double> %5, <2 x double> %6, <2 x double> %a3) + %8 = bitcast <2 x double> %7 to <2 x i64> + %9 = lshr <2 x i64> %8, + ret <2 x i64> %9 +} + declare <2 x double> @llvm.x86.sse41.blendpd(<2 x double>, <2 x double>, i32) declare <4 x float> @llvm.x86.sse41.blendps(<4 x float>, <4 x float>, i32) declare <8 x i16> @llvm.x86.sse41.pblendw(<8 x i16>, <8 x i16>, i32) -- 2.40.0