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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-04-20 00:38:45 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-04-20 00:38:45 +0000 |
| commit | eece9dc81cedf0cda5c356c180f60d91c99920fc (patch) | |
| tree | 9e8581cf7f5da30f274c65bbcb4f0f94c3f9dd44 /test/Transforms/InstCombine/2010-11-01-lshr-mask.ll | |
| parent | 181b14797518e714e1b6112db849ca53192b8f23 (diff) | |
| download | llvm-eece9dc81cedf0cda5c356c180f60d91c99920fc.tar.gz llvm-eece9dc81cedf0cda5c356c180f60d91c99920fc.tar.bz2 llvm-eece9dc81cedf0cda5c356c180f60d91c99920fc.tar.xz | |
Revert r155136 "Defer some shl transforms to DAGCombine."
While the patch was perfect and defect free, it exposed a really nasty
bug in X86 SelectionDAG that caused an llc crash when compiling lencod.
I'll put the patch back in after fixing the SelectionDAG problem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155181 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/2010-11-01-lshr-mask.ll')
| -rw-r--r-- | test/Transforms/InstCombine/2010-11-01-lshr-mask.ll | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/test/Transforms/InstCombine/2010-11-01-lshr-mask.ll b/test/Transforms/InstCombine/2010-11-01-lshr-mask.ll index eb28994756..441d5f9b0b 100644 --- a/test/Transforms/InstCombine/2010-11-01-lshr-mask.ll +++ b/test/Transforms/InstCombine/2010-11-01-lshr-mask.ll @@ -5,8 +5,8 @@ define i32 @main(i32 %argc) nounwind ssp { entry: %tmp3151 = trunc i32 %argc to i8 -; CHECK: %tmp3163 = shl i8 %tmp3162, 6 -; CHECK: and i8 %tmp3163, 64 +; CHECK: %tmp3162 = shl i8 %tmp3151, 5 +; CHECK: and i8 %tmp3162, 64 ; CHECK-NOT: shl ; CHECK-NOT: shr %tmp3161 = or i8 %tmp3151, -17 @@ -38,8 +38,8 @@ bb: %tmp10 = lshr i8 %tmp8, 7 %tmp11 = shl i8 %tmp10, 5 -; CHECK: %tmp10 = lshr i8 %tmp8, 7 -; CHECK: %tmp11 = shl nuw nsw i8 %tmp10, 5 +; CHECK: %0 = lshr i8 %tmp8, 2 +; CHECK: %tmp11 = and i8 %0, 32 %tmp12 = xor i8 %tmp11, %tmp9 ret i8 %tmp12 |