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

follow in one sec.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165951 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2012-10-15 18:21:07 +00:00
parent 1e94e98b0e
commit 10ad98bbbb

View File

@ -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);
}