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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166784 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2012-10-26 17:11:42 +00:00
parent eac3b65b00
commit af8082206b

View File

@ -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;
}