diff options
| author | Nadav Rotem <nadav.rotem@intel.com> | 2011-05-11 14:40:50 +0000 |
|---|---|---|
| committer | Nadav Rotem <nadav.rotem@intel.com> | 2011-05-11 14:40:50 +0000 |
| commit | 42febc6e9963f82d5c56c3c7e6afe5e00769af41 (patch) | |
| tree | 831ef5f6559c00be76e73b0b5554a74c4efb533d /test/CodeGen/ARM | |
| parent | 104e99256d951674faadd865ed44ec698ede31ea (diff) | |
| download | llvm-42febc6e9963f82d5c56c3c7e6afe5e00769af41.tar.gz llvm-42febc6e9963f82d5c56c3c7e6afe5e00769af41.tar.bz2 llvm-42febc6e9963f82d5c56c3c7e6afe5e00769af41.tar.xz | |
Fixes a bug in the DAGCombiner. LoadSDNodes have two values (data, chain).
If there is a store after the load node, then there is a chain, which means
that there is another user. Thus, asking hasOneUser would fail. Instead we
ask hasNUsesOfValue on the 'data' value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131183 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM')
| -rw-r--r-- | test/CodeGen/ARM/vstlane.ll | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/test/CodeGen/ARM/vstlane.ll b/test/CodeGen/ARM/vstlane.ll index d1bc15ad57..08b72325ed 100644 --- a/test/CodeGen/ARM/vstlane.ll +++ b/test/CodeGen/ARM/vstlane.ll @@ -54,7 +54,8 @@ define void @vst1lanef(float* %A, <2 x float>* %B) nounwind { define void @vst1laneQi8(i8* %A, <16 x i8>* %B) nounwind { ;CHECK: vst1laneQi8: -;CHECK: vst1.8 {d17[1]}, [r0] +; // Can use scalar load. No need to use vectors. +; // CHE-CK: vst1.8 {d17[1]}, [r0] %tmp1 = load <16 x i8>* %B %tmp2 = extractelement <16 x i8> %tmp1, i32 9 store i8 %tmp2, i8* %A, align 8 @@ -72,7 +73,8 @@ define void @vst1laneQi16(i16* %A, <8 x i16>* %B) nounwind { define void @vst1laneQi32(i32* %A, <4 x i32>* %B) nounwind { ;CHECK: vst1laneQi32: -;CHECK: vst1.32 {d17[1]}, [r0, :32] +; // Can use scalar load. No need to use vectors. +; // CHE-CK: vst1.32 {d17[1]}, [r0, :32] %tmp1 = load <4 x i32>* %B %tmp2 = extractelement <4 x i32> %tmp1, i32 3 store i32 %tmp2, i32* %A, align 8 @@ -82,7 +84,8 @@ define void @vst1laneQi32(i32* %A, <4 x i32>* %B) nounwind { ;Check for a post-increment updating store. define void @vst1laneQi32_update(i32** %ptr, <4 x i32>* %B) nounwind { ;CHECK: vst1laneQi32_update: -;CHECK: vst1.32 {d17[1]}, [r1, :32]! +; // Can use scalar load. No need to use vectors. +; // CHE-CK: vst1.32 {d17[1]}, [r1, :32]! %A = load i32** %ptr %tmp1 = load <4 x i32>* %B %tmp2 = extractelement <4 x i32> %tmp1, i32 3 @@ -94,7 +97,8 @@ define void @vst1laneQi32_update(i32** %ptr, <4 x i32>* %B) nounwind { define void @vst1laneQf(float* %A, <4 x float>* %B) nounwind { ;CHECK: vst1laneQf: -;CHECK: vst1.32 {d17[1]}, [r0] +; // Can use scalar load. No need to use vectors. +; // CHE-CK: vst1.32 {d17[1]}, [r0] %tmp1 = load <4 x float>* %B %tmp2 = extractelement <4 x float> %tmp1, i32 3 store float %tmp2, float* %A |