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Make sure we iterate over newly created instructions. Fixes pr13625. Testcase to

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llvm-svn: 165951
This commit is contained in:
Rafael Espindola 2012-10-15 18:21:07 +00:00
parent a5e2aeb12b
commit 03c701aad3
1 changed files with 5 additions and 0 deletions
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5
lib/CodeGen/PeepholeOptimizer.cpp
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@ -527,6 +527,11 @@ bool PeepholeOptimizer::runOnMachineFunction(MachineFunction &MF) {
SeenMoveImm = true;
} else {
Changed |= optimizeExtInstr(MI, MBB, LocalMIs);
// optimizeExtInstr might have created new instructions after MI
// and before the already incremented MII. Adjust MII so that the
// next iteration sees the new instructions.
MII = MI;
++MII;
if (SeenMoveImm)
Changed |= foldImmediate(MI, MBB, ImmDefRegs, ImmDefMIs);
}