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Add an assert (which should never trigger) that triggers on a testcase I'm looking at.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135018 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-07-13 00:44:29 +00:00
parent e721f5c8d3
commit 5cf2ee1f80
1 changed files with 3 additions and 1 deletions
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4
lib/Target/X86/X86RegisterInfo.cpp
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@ -730,7 +730,9 @@ X86RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
if (MI.getOperand(i+3).isImm()) {
// Offset is a 32-bit integer.
int Offset = FIOffset + (int)(MI.getOperand(i + 3).getImm());
int Imm = (int)(MI.getOperand(i + 3).getImm());
int Offset = FIOffset + Imm;
assert(isInt<32>((long long)FIOffset + Imm) && "Overflowing offset!");
MI.getOperand(i + 3).ChangeToImmediate(Offset);
} else {
// Offset is symbolic. This is extremely rare.