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Fix a typo where we were creating <def,kill> operands instead of

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<def,dead> ones.

Add an assertion to make sure we catch this in the future.

Fixes <rdar://problem/15464559>.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195401 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames
2013-11-22 00:46:32 +00:00
parent d793a053ad
commit 4fc9a48273
2 changed files with 4 additions and 1 deletions
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2
include/llvm/CodeGen/MachineOperand.h
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@@ -564,6 +564,8 @@ public:
unsigned SubReg = 0, unsigned SubReg = 0,
bool isDebug = false, bool isDebug = false,
bool isInternalRead = false) { bool isInternalRead = false) {
assert(!(isDead && !isDef) && "Dead flag on non-def");
assert(!(isKill && isDef) && "Kill flag on def");
MachineOperand Op(MachineOperand::MO_Register); MachineOperand Op(MachineOperand::MO_Register);
Op.IsDef = isDef; Op.IsDef = isDef;
Op.IsImp = isImp; Op.IsImp = isImp;

3
lib/Target/ARM/ARMBaseInstrInfo.cpp
View File

@@ -1934,7 +1934,8 @@ bool llvm::tryFoldSPUpdateIntoPushPop(MachineFunction &MF,
return false; return false;
// Mark the unimportant registers as <def,dead> in the POP. // Mark the unimportant registers as <def,dead> in the POP.
RegList.push_back(MachineOperand::CreateReg(CurReg, true, false, true)); RegList.push_back(MachineOperand::CreateReg(CurReg, true, false, false,
true));
} }
if (RegsNeeded > 0) if (RegsNeeded > 0)