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Fixed a bug that causes codegen of noop like add r0, r0, #0.
author
Evan Cheng
<evan.cheng@apple.com>
Tue, 3 Apr 2007 21:31:21 +0000
(21:31 +0000)
committer
Evan Cheng
<evan.cheng@apple.com>
Tue, 3 Apr 2007 21:31:21 +0000
(21:31 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35627
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/ARM/ARMRegisterInfo.cpp
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diff --git
a/lib/Target/ARM/ARMRegisterInfo.cpp
b/lib/Target/ARM/ARMRegisterInfo.cpp
index abc0ad8274382e0b71033a27e4aaa592820bc36d..bf6adbd95f379e0317db99a358cf4ec2bd517287 100644
(file)
--- a/
lib/Target/ARM/ARMRegisterInfo.cpp
+++ b/
lib/Target/ARM/ARMRegisterInfo.cpp
@@
-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;