[X86][SSE] Add SimplifyDemandedBits test for BLENDVPD
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353638 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/combine-sse41-intrinsics.ll b/test/CodeGen/X86/combine-sse41-intrinsics.ll
index f35bff6..7944aec 100644
--- a/test/CodeGen/X86/combine-sse41-intrinsics.ll
+++ b/test/CodeGen/X86/combine-sse41-intrinsics.ll
@@ -127,6 +127,32 @@
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, <i64 11, i64 11>
+ 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)
