[llvm] r365926 - [X86][AVX] Add PR34359 shuffle test case.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Fri Jul 12 10:42:32 2019
New Revision: 365926

URL: http://llvm.org/viewvc/llvm-project?rev=365926&view=rev
Log:
[X86][AVX] Add PR34359 shuffle test case.

Modified:
    llvm/trunk/test/CodeGen/X86/vector-shuffle-256-v4.ll

Modified: llvm/trunk/test/CodeGen/X86/vector-shuffle-256-v4.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vector-shuffle-256-v4.ll?rev=365926&r1=365925&r2=365926&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vector-shuffle-256-v4.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vector-shuffle-256-v4.ll Fri Jul 12 10:42:32 2019
@@ -752,6 +752,18 @@ define <4 x double> @shuffle_v4f64_1032_
   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: