Changes in directory llvm/lib/Transforms/Scalar:
InstructionCombining.cpp updated: 1.704 -> 1.705
---
Log message:
Avoid unnecessary APInt construction.
---
Diffs of the changes: (+2 -3)
InstructionCombining.cpp | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp
diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.704
llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.705
--- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.704 Wed Mar 28
10:02:20 2007
+++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp Wed Mar 28 12:38:21 2007
@@ -734,11 +734,10 @@
// If the sign bit of the input is known set or clear, then we know the
// top bits of the result.
- APInt NewBits(APInt::getHighBitsSet(BitWidth, BitWidth - SrcBitWidth));
if (KnownZero[SrcBitWidth-1]) // Input sign bit known zero
- KnownZero |= NewBits;
+ KnownZero |= APInt::getHighBitsSet(BitWidth, BitWidth - SrcBitWidth);
else if (KnownOne[SrcBitWidth-1]) // Input sign bit known set
- KnownOne |= NewBits;
+ KnownOne |= APInt::getHighBitsSet(BitWidth, BitWidth - SrcBitWidth);
return;
}
case Instruction::Shl:
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