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author | Rafael Espindola <rafael.espindola@gmail.com> | 2012-10-15 18:21:07 +0000 |
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committer | Rafael Espindola <rafael.espindola@gmail.com> | 2012-10-15 18:21:07 +0000 |
commit | 10ad98bbbb00d67d4272e8f29186a65e2a75215e (patch) | |
tree | 92e4e36b6b135357801f961d11966a2cc86b5e49 /lib/CodeGen/PeepholeOptimizer.cpp | |
parent | 1e94e98b0ec44c5b04eaa8c9e7fb6d7669b3cdea (diff) | |
download | llvm-10ad98bbbb00d67d4272e8f29186a65e2a75215e.tar.gz llvm-10ad98bbbb00d67d4272e8f29186a65e2a75215e.tar.bz2 llvm-10ad98bbbb00d67d4272e8f29186a65e2a75215e.tar.xz |
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
Diffstat (limited to 'lib/CodeGen/PeepholeOptimizer.cpp')
-rw-r--r-- | lib/CodeGen/PeepholeOptimizer.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/PeepholeOptimizer.cpp b/lib/CodeGen/PeepholeOptimizer.cpp index 9099862bd3..a795ac8448 100644 --- a/lib/CodeGen/PeepholeOptimizer.cpp +++ b/lib/CodeGen/PeepholeOptimizer.cpp @@ -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); } |