summaryrefslogtreecommitdiffstats
path: root/llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll')
-rw-r--r--llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll26
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll
index 351c91e7acf..2dc50cfe416 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll
@@ -123,6 +123,32 @@ define <8 x float> @combine_vpermilvar_vperm2f128_zero_8f32(<8 x float> %a0) {
ret <8 x float> %3
}
+define <4 x double> @combine_vperm2f128_vpermilvar_as_vpblendpd(<4 x double> %a0) {
+; AVX1-LABEL: combine_vperm2f128_vpermilvar_as_vpblendpd:
+; AVX1: # BB#0:
+; AVX1-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[1,0,3,2]
+; AVX1-NEXT: vxorpd %ymm1, %ymm1, %ymm1
+; AVX1-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0,1],ymm1[2,3]
+; AVX1-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[1,0,3,2]
+; AVX1-NEXT: retq
+;
+; AVX2-LABEL: combine_vperm2f128_vpermilvar_as_vpblendpd:
+; AVX2: # BB#0:
+; AVX2-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[1,0,3,2]
+; AVX2-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[8,9,10,11,12,13,14,15,0,1,2,3,4,5,6,7],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT: retq
+;
+; AVX512F-LABEL: combine_vperm2f128_vpermilvar_as_vpblendpd:
+; AVX512F: # BB#0:
+; AVX512F-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[1,0,3,2]
+; AVX512F-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[8,9,10,11,12,13,14,15,0,1,2,3,4,5,6,7],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; AVX512F-NEXT: retq
+ %1 = tail call <4 x double> @llvm.x86.avx.vpermilvar.pd.256(<4 x double> %a0, <4 x i64> <i64 2, i64 0, i64 2, i64 0>)
+ %2 = shufflevector <4 x double> %1, <4 x double> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
+ %3 = tail call <4 x double> @llvm.x86.avx.vpermilvar.pd.256(<4 x double> %2, <4 x i64> <i64 2, i64 0, i64 2, i64 0>)
+ ret <4 x double> %3
+}
+
define <8 x float> @combine_vpermilvar_8f32_movddup(<8 x float> %a0) {
; ALL-LABEL: combine_vpermilvar_8f32_movddup:
; ALL: # BB#0:
OpenPOWER on IntegriCloud