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-rw-r--r--llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll12
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll b/llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
index 3603407f2b1..8fc0eabbcd2 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
@@ -752,6 +752,18 @@ define <4 x double> @shuffle_v4f64_1032_v2f64(<2 x double> %a, <2 x double> %b)
ret <4 x double> %3
}
+;PR34359
+define <4 x double> @shuffle_v4f64_2345_0567_select(<4 x double> %vec1, <4 x double> %vec2, <4 x double> %vec3) {
+; ALL-LABEL: shuffle_v4f64_2345_0567_select:
+; ALL: # %bb.0:
+; ALL-NEXT: vperm2f128 {{.*#+}} ymm0 = ymm0[2,3],ymm1[0,1]
+; ALL-NEXT: vblendps {{.*#+}} ymm0 = ymm2[0,1],ymm0[2,3,4,5,6,7]
+; ALL-NEXT: retq
+ %shuf = shufflevector <4 x double> %vec1, <4 x double> %vec2, <4 x i32> <i32 2, i32 3, i32 4, i32 5>
+ %res = select <4 x i1> <i1 0, i1 1, i1 1, i1 1>, <4 x double> %shuf, <4 x double> %vec3
+ ret <4 x double> %res
+}
+
define <4 x i64> @shuffle_v4i64_0000(<4 x i64> %a, <4 x i64> %b) {
; AVX1-LABEL: shuffle_v4i64_0000:
; AVX1: # %bb.0:
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