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Make sure I is not the end iterator when isInsideBundle is called.

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llvm-svn: 166784
This commit is contained in:
Akira Hatanaka 2012-10-26 17:11:42 +00:00
parent 1e01dd723e
commit 573c240bcf
1 changed files with 3 additions and 2 deletions
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5
lib/CodeGen/MachineBasicBlock.cpp
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@ -145,7 +145,8 @@ MachineBasicBlock::iterator MachineBasicBlock::getFirstNonPHI() {
instr_iterator I = instr_begin(), E = instr_end();
while (I != E && I->isPHI())
++I;
assert(!I->isInsideBundle() && "First non-phi MI cannot be inside a bundle!");
assert((I == E || !I->isInsideBundle()) &&
"First non-phi MI cannot be inside a bundle!");
return I;
}
@ -156,7 +157,7 @@ MachineBasicBlock::SkipPHIsAndLabels(MachineBasicBlock::iterator I) {
++I;
// FIXME: This needs to change if we wish to bundle labels / dbg_values
// inside the bundle.
assert(!I->isInsideBundle() &&
assert((I == E || !I->isInsideBundle()) &&
"First non-phi / non-label instruction is inside a bundle!");
return I;
}