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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2011-03-08 15:20:20 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2011-03-08 15:20:20 +0000 |
| commit | c175a4bd7eaf595cc298bbe3ab4b36fe0333e409 (patch) | |
| tree | e3c763164492f5e27cc62db84a7602759f007522 /lib/Target | |
| parent | c6f24f4086c786e8ee8e74193ea9a08e90853e0b (diff) | |
| download | llvm-c175a4bd7eaf595cc298bbe3ab4b36fe0333e409.tar.gz llvm-c175a4bd7eaf595cc298bbe3ab4b36fe0333e409.tar.bz2 llvm-c175a4bd7eaf595cc298bbe3ab4b36fe0333e409.tar.xz | |
X86: Fix the (saddo/ssub x, 1) -> incl/decl selection to check the right operand for 1.
Found by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127247 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 511cd31c64..2eb9841a49 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -8834,8 +8834,8 @@ SDValue X86TargetLowering::LowerXALUO(SDValue Op, SelectionDAG &DAG) const { case ISD::SADDO: // A subtract of one will be selected as a INC. Note that INC doesn't // set CF, so we can't do this for UADDO. - if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) - if (C->getAPIntValue() == 1) { + if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(RHS)) + if (C->isOne()) { BaseOp = X86ISD::INC; Cond = X86::COND_O; break; @@ -8850,8 +8850,8 @@ SDValue X86TargetLowering::LowerXALUO(SDValue Op, SelectionDAG &DAG) const { case ISD::SSUBO: // A subtract of one will be selected as a DEC. Note that DEC doesn't // set CF, so we can't do this for USUBO. - if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) - if (C->getAPIntValue() == 1) { + if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(RHS)) + if (C->isOne()) { BaseOp = X86ISD::DEC; Cond = X86::COND_O; break; |