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Fixed a bug that causes codegen of noop like add r0, r0, #0.

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llvm-svn: 35627
This commit is contained in:
Evan Cheng 2007-04-03 21:31:21 +00:00
parent bfe18d29f9
commit db15aa24f9
1 changed files with 1 additions and 1 deletions
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2
lib/Target/ARM/ARMRegisterInfo.cpp
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@ -732,7 +732,7 @@ void ARMRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
// a sequence of ADDri instructions. First though, pull as much of the imm
// into this ADDri as possible.
unsigned RotAmt = ARM_AM::getSOImmValRotate(Offset);
unsigned ThisImmVal = Offset & ARM_AM::rotr32(0xFF, (32-RotAmt) & 31);
unsigned ThisImmVal = Offset & ARM_AM::rotr32(0xFF, RotAmt);
// We will handle these bits from offset, clear them.
Offset &= ~ThisImmVal;