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| author | Matthias Braun <matze@braunis.de> | 2017-01-31 18:37:53 +0000 |
|---|---|---|
| committer | Matthias Braun <matze@braunis.de> | 2017-01-31 18:37:53 +0000 |
| commit | 01fa962226d0a3ea022cd339b5104f4669cf031f (patch) | |
| tree | 279aaef5e9f1af8fcb13cd591ed0edf39cead819 /llvm/test | |
| parent | 6342cf9dc3604cf075f0f5f291d732eaeb540f83 (diff) | |
| download | bcm5719-llvm-01fa962226d0a3ea022cd339b5104f4669cf031f.tar.gz bcm5719-llvm-01fa962226d0a3ea022cd339b5104f4669cf031f.zip | |
InterleaveAccessPass: Avoid constructing invalid shuffle masks
Fix a bug where we would construct shufflevector instructions addressing
invalid elements.
Differential Revision: https://reviews.llvm.org/D29313
llvm-svn: 293673
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/InterleavedAccess/AArch64/interleaved-accesses.ll | 18 | ||||
| -rw-r--r-- | llvm/test/Transforms/InterleavedAccess/ARM/interleaved-accesses.ll | 18 |
2 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InterleavedAccess/AArch64/interleaved-accesses.ll b/llvm/test/Transforms/InterleavedAccess/AArch64/interleaved-accesses.ll index 702dfdbb81a..2a257d49081 100644 --- a/llvm/test/Transforms/InterleavedAccess/AArch64/interleaved-accesses.ll +++ b/llvm/test/Transforms/InterleavedAccess/AArch64/interleaved-accesses.ll @@ -547,3 +547,21 @@ define void @store_general_mask_factor3_negativestart(<12 x i32>* %ptr, <32 x i3 store <12 x i32> %interleaved.vec, <12 x i32>* %ptr, align 4 ret void } + +@g = external global <4 x float> + +; The following does not give a valid interleaved store +; NEON-LABEL: define void @no_interleave +; NEON-NOT: call void @llvm.aarch64.neon.st2 +; NEON: shufflevector +; NEON: store +; NEON: ret void +; NO_NEON-LABEL: define void @no_interleave +; NO_NEON: shufflevector +; NO_NEON: store +; NO_NEON: ret void +define void @no_interleave(<4 x float> %a0) { + %v0 = shufflevector <4 x float> %a0, <4 x float> %a0, <4 x i32> <i32 0, i32 3, i32 7, i32 undef> + store <4 x float> %v0, <4 x float>* @g, align 16 + ret void +} diff --git a/llvm/test/Transforms/InterleavedAccess/ARM/interleaved-accesses.ll b/llvm/test/Transforms/InterleavedAccess/ARM/interleaved-accesses.ll index caaaa21c5a1..21eb8d7a1b0 100644 --- a/llvm/test/Transforms/InterleavedAccess/ARM/interleaved-accesses.ll +++ b/llvm/test/Transforms/InterleavedAccess/ARM/interleaved-accesses.ll @@ -626,3 +626,21 @@ define void @store_general_mask_factor3_midstart_pass(<12 x i32>* %ptr, <32 x i3 store <12 x i32> %interleaved.vec, <12 x i32>* %ptr, align 4 ret void } + +@g = external global <4 x float> + +; The following does not give a valid interleaved store +; NEON-LABEL: define void @no_interleave +; NEON-NOT: call void @llvm.arm.neon.vst2 +; NEON: shufflevector +; NEON: store +; NEON: ret void +; NO_NEON-LABEL: define void @no_interleave +; NO_NEON: shufflevector +; NO_NEON: store +; NO_NEON: ret void +define void @no_interleave(<4 x float> %a0) { + %v0 = shufflevector <4 x float> %a0, <4 x float> %a0, <4 x i32> <i32 0, i32 7, i32 1, i32 undef> + store <4 x float> %v0, <4 x float>* @g, align 16 + ret void +} |
