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authorChris Lattner <sabre@nondot.org>2010-03-24 00:12:57 +0000
committerChris Lattner <sabre@nondot.org>2010-03-24 00:12:57 +0000
commitfdac0b66f01986cfa1132dfe1e2297fffa5157ec (patch)
treea584f2d90203344deb8c7c700d392cab06c8323f
parentcc8783073205dcc5feadaa0a722ab61c6d17fee7 (diff)
reduce nesting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99358 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/X86/X86InstrInfo.td17
1 files changed, 8 insertions, 9 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index c80a18dbf6..76f8d09fa1 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -473,15 +473,14 @@ def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
- else {
- unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
- APInt Mask = APInt::getAllOnesValue(BitWidth);
- APInt KnownZero0, KnownOne0;
- CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
- APInt KnownZero1, KnownOne1;
- CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
- return (~KnownZero0 & ~KnownZero1) == 0;
- }
+
+ unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
+ APInt Mask = APInt::getAllOnesValue(BitWidth);
+ APInt KnownZero0, KnownOne0;
+ CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
+ APInt KnownZero1, KnownOne1;
+ CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
+ return (~KnownZero0 & ~KnownZero1) == 0;
}]>;
// 'shld' and 'shrd' instruction patterns. Note that even though these have