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| author | David Majnemer <david.majnemer@gmail.com> | 2013-05-05 02:00:10 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2013-05-05 02:00:10 +0000 |
| commit | 526f3ed7da88aa02bed42fe2238a60e3be64446b (patch) | |
| tree | 035e07222a3a5e2d1fac36f3cb606cd0e34c6866 /test/CodeGen/X86/bt.ll | |
| parent | 87defd0924e08dd9c9db51e2fb208f289fa6adf7 (diff) | |
| download | llvm-526f3ed7da88aa02bed42fe2238a60e3be64446b.tar.gz llvm-526f3ed7da88aa02bed42fe2238a60e3be64446b.tar.bz2 llvm-526f3ed7da88aa02bed42fe2238a60e3be64446b.tar.xz | |
Remove a recently redundant transform from X86ISelLowering.
X86ISelLowering has support to treat:
(icmp ne (and (xor %flags, -1), (shl 1, flag)), 0)
as if it were actually:
(icmp eq (and %flags, (shl 1, flag)), 0)
However, r179386 has code at the InstCombine level to handle this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181145 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/bt.ll')
| -rw-r--r-- | test/CodeGen/X86/bt.ll | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/test/CodeGen/X86/bt.ll b/test/CodeGen/X86/bt.ll index 39a784dec3..e28923bb21 100644 --- a/test/CodeGen/X86/bt.ll +++ b/test/CodeGen/X86/bt.ll @@ -522,11 +522,8 @@ UnifiedReturnBlock: ; preds = %entry declare void @foo() -; rdar://12755626 define zeroext i1 @invert(i32 %flags, i32 %flag) nounwind { -; CHECK: invert -; CHECK: btl %eax, %ecx -; CHECK: setae +; CHECK: btl entry: %neg = xor i32 %flags, -1 %shl = shl i32 1, %flag |