diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll index 91655da36fb..b87038a0801 100644 --- a/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll +++ b/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll @@ -13,18 +13,31 @@ declare <16 x i8> @llvm.x86.xop.vpperm(<16 x i8>, <16 x i8>, <16 x i8>) nounwind define <16 x i8> @combine_vpperm_identity(<16 x i8> %a0, <16 x i8> %a1) { ; CHECK-LABEL: combine_vpperm_identity: ; CHECK: # BB#0: -; CHECK-NEXT: vpperm {{.*#+}} xmm0 = xmm1[15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0] -; CHECK-NEXT: vpperm {{.*#+}} xmm0 = xmm0[15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0] +; CHECK-NEXT: vmovaps %xmm1, %xmm0 ; CHECK-NEXT: retq %res0 = call <16 x i8> @llvm.x86.xop.vpperm(<16 x i8> %a0, <16 x i8> %a1, <16 x i8> <i8 31, i8 30, i8 29, i8 28, i8 27, i8 26, i8 25, i8 24, i8 23, i8 22, i8 21, i8 20, i8 19, i8 18, i8 17, i8 16>) %res1 = call <16 x i8> @llvm.x86.xop.vpperm(<16 x i8> %res0, <16 x i8> undef, <16 x i8> <i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>) ret <16 x i8> %res1 } +define <16 x i8> @combine_vpperm_identity_bitcast(<16 x i8> %a0, <16 x i8> %a1) { +; CHECK-LABEL: combine_vpperm_identity_bitcast: +; CHECK: # BB#0: +; CHECK-NEXT: vpaddq {{.*}}(%rip), %xmm0, %xmm0 +; CHECK-NEXT: retq + %mask = bitcast <2 x i64> <i64 1084818905618843912, i64 506097522914230528> to <16 x i8> + %res0 = call <16 x i8> @llvm.x86.xop.vpperm(<16 x i8> %a0, <16 x i8> %a1, <16 x i8> %mask) + %res1 = call <16 x i8> @llvm.x86.xop.vpperm(<16 x i8> %res0, <16 x i8> undef, <16 x i8> %mask) + %res2 = bitcast <16 x i8> %res1 to <2 x i64> + %res3 = add <2 x i64> %res2, <i64 1084818905618843912, i64 506097522914230528> + %res4 = bitcast <2 x i64> %res3 to <16 x i8> + ret <16 x i8> %res4 +} + define <16 x i8> @combine_vpperm_as_unary_unpckhwd(<16 x i8> %a0, <16 x i8> %a1) { ; CHECK-LABEL: combine_vpperm_as_unary_unpckhwd: ; CHECK: # BB#0: -; CHECK-NEXT: vpperm {{.*#+}} xmm0 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15] +; CHECK-NEXT: vpunpckhbw {{.*#+}} xmm0 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15] ; CHECK-NEXT: retq %res0 = call <16 x i8> @llvm.x86.xop.vpperm(<16 x i8> %a0, <16 x i8> %a0, <16 x i8> <i8 8, i8 24, i8 9, i8 25, i8 10, i8 26, i8 11, i8 27, i8 12, i8 28, i8 13, i8 29, i8 14, i8 30, i8 15, i8 31>) ret <16 x i8> %res0 |
