AVX-512: Optimized BUILD_VECTOR pattern;
fixed encoding of VEXTRACTPS instruction.
llvm-svn: 201134
diff --git a/llvm/test/CodeGen/X86/avx512-build-vector.ll b/llvm/test/CodeGen/X86/avx512-build-vector.ll
index bc4560b..b5a2aa8 100644
--- a/llvm/test/CodeGen/X86/avx512-build-vector.ll
+++ b/llvm/test/CodeGen/X86/avx512-build-vector.ll
@@ -15,4 +15,16 @@
define <16 x i32> @test2(<16 x i32> %x) {
%res = add <16 x i32><i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>, %x
ret <16 x i32>%res
+}
+
+; CHECK-LABEL: test3
+; CHECK: vinsertf128
+; CHECK: vinsertf64x4
+; CHECK: ret
+define <16 x float> @test3(<4 x float> %a) {
+ %b = extractelement <4 x float> %a, i32 2
+ %c = insertelement <16 x float> <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float undef, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00>, float %b, i32 5
+ %b1 = extractelement <4 x float> %a, i32 0
+ %c1 = insertelement <16 x float> %c, float %b1, i32 6
+ ret <16 x float>%c1
}
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