No functional change because "lsl #12" is actually encoded as 12, but one less
bug if someone ever decides to change that for the giggles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243536
91177308-0d34-0410-b5e6-
96231b3b80d8
//===----------------------------------------------------------------------===//
#include "AArch64.h"
//===----------------------------------------------------------------------===//
#include "AArch64.h"
+#include "MCTargetDesc/AArch64AddressingModes.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
case AArch64::SUBSXri:
// cmn is an alias for adds with a dead destination register.
case AArch64::ADDSWri:
case AArch64::SUBSXri:
// cmn is an alias for adds with a dead destination register.
case AArch64::ADDSWri:
+ case AArch64::ADDSXri: {
+ unsigned ShiftAmt = AArch64_AM::getShiftValue(I->getOperand(3).getImm());
if (!I->getOperand(2).isImm()) {
DEBUG(dbgs() << "Immediate of cmp is symbolic, " << *I << '\n');
return nullptr;
if (!I->getOperand(2).isImm()) {
DEBUG(dbgs() << "Immediate of cmp is symbolic, " << *I << '\n');
return nullptr;
- } else if (I->getOperand(2).getImm() << I->getOperand(3).getImm() >=
- 0xfff) {
+ } else if (I->getOperand(2).getImm() << ShiftAmt >= 0xfff) {
DEBUG(dbgs() << "Immediate of cmp may be out of range, " << *I << '\n');
return nullptr;
} else if (!MRI->use_empty(I->getOperand(0).getReg())) {
DEBUG(dbgs() << "Immediate of cmp may be out of range, " << *I << '\n');
return nullptr;
} else if (!MRI->use_empty(I->getOperand(0).getReg())) {
return nullptr;
}
return I;
return nullptr;
}
return I;
// Prevent false positive case like:
// cmp w19, #0
// cinc w0, w19, gt
// Prevent false positive case like:
// cmp w19, #0
// cinc w0, w19, gt