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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-01-07 11:34:27 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-01-07 11:34:27 +0000 |
| commit | bcc11a059e0e7bd776bf271ff3ff8dbdc6632601 (patch) | |
| tree | c93b9e3ff5ba15e1ca812de4c9a0e232c3518f8e /llvm/test/CodeGen | |
| parent | a203b6eb2849011f17f4635586e0ab21a29cab67 (diff) | |
| download | bcm5719-llvm-bcc11a059e0e7bd776bf271ff3ff8dbdc6632601.tar.gz bcm5719-llvm-bcc11a059e0e7bd776bf271ff3ff8dbdc6632601.zip | |
[X86][AVX] Match broadcast loads through a bitcast
AVX1 v8i32/v4i64 shuffles are bitcasted to v8f32/v4f64, this patch peeks through bitcasts to check for a load node to allow broadcasts to occur.
Follow up to D15310
llvm-svn: 257055
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/2012-01-12-extract-sv.ll | 4 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/avx-vbroadcast.ll | 10 |
2 files changed, 3 insertions, 11 deletions
diff --git a/llvm/test/CodeGen/X86/2012-01-12-extract-sv.ll b/llvm/test/CodeGen/X86/2012-01-12-extract-sv.ll index 92ec107a007..6950641a08a 100644 --- a/llvm/test/CodeGen/X86/2012-01-12-extract-sv.ll +++ b/llvm/test/CodeGen/X86/2012-01-12-extract-sv.ll @@ -3,9 +3,7 @@ define void @endless_loop() { ; CHECK-LABEL: endless_loop: ; CHECK-NEXT: # BB#0: -; CHECK-NEXT: vmovaps (%eax), %ymm0 -; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm0 -; CHECK-NEXT: vmovsldup {{.*#+}} xmm0 = xmm0[0,0,2,2] +; CHECK-NEXT: vbroadcastss (%eax), %ymm0 ; CHECK-NEXT: vmovddup {{.*#+}} xmm1 = xmm0[0,0] ; CHECK-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm1 ; CHECK-NEXT: vxorps %xmm2, %xmm2, %xmm2 diff --git a/llvm/test/CodeGen/X86/avx-vbroadcast.ll b/llvm/test/CodeGen/X86/avx-vbroadcast.ll index 86b0628aa0b..837333a0b1f 100644 --- a/llvm/test/CodeGen/X86/avx-vbroadcast.ll +++ b/llvm/test/CodeGen/X86/avx-vbroadcast.ll @@ -130,10 +130,7 @@ entry: define <8 x i32> @load_splat_8i32_8i32_55555555(<8 x i32>* %ptr) nounwind uwtable readnone ssp { ; CHECK-LABEL: load_splat_8i32_8i32_55555555: ; CHECK: ## BB#0: ## %entry -; CHECK-NEXT: vmovaps (%rdi), %ymm0 -; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm0 -; CHECK-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[1,1,1,1] -; CHECK-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0 +; CHECK-NEXT: vbroadcastss 20(%rdi), %ymm0 ; CHECK-NEXT: retq entry: %ld = load <8 x i32>, <8 x i32>* %ptr @@ -201,10 +198,7 @@ entry: define <4 x i64> @load_splat_4i64_4i64_2222(<4 x i64>* %ptr) nounwind uwtable readnone ssp { ; CHECK-LABEL: load_splat_4i64_4i64_2222: ; CHECK: ## BB#0: ## %entry -; CHECK-NEXT: vmovapd (%rdi), %ymm0 -; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm0 -; CHECK-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0] -; CHECK-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0 +; CHECK-NEXT: vbroadcastsd 16(%rdi), %ymm0 ; CHECK-NEXT: retq entry: %ld = load <4 x i64>, <4 x i64>* %ptr |
