diff options
| author | Dan Gohman <gohman@apple.com> | 2009-07-31 18:16:33 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-07-31 18:16:33 +0000 |
| commit | ad2afc2a421a0e41603d5eee412d4d8c77e9bc1c (patch) | |
| tree | f06c032e6c95e27a621685fb4a2a2f07469ca076 /lib/CodeGen/MachineLoopInfo.cpp | |
| parent | 56594f98848ac6d1885662644b5652c04c0d0831 (diff) | |
Reapply r77654 with a fix: MachineFunctionPass's getAnalysisUsage
shouldn't do AU.setPreservesCFG(), because even though CodeGen passes
don't modify the LLVM IR CFG, they may modify the MachineFunction CFG,
and passes like MachineLoop are registered with isCFGOnly set to true.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77691 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineLoopInfo.cpp')
| -rw-r--r-- | lib/CodeGen/MachineLoopInfo.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/MachineLoopInfo.cpp b/lib/CodeGen/MachineLoopInfo.cpp index a5694ae82b..2da8e3760e 100644 --- a/lib/CodeGen/MachineLoopInfo.cpp +++ b/lib/CodeGen/MachineLoopInfo.cpp @@ -41,4 +41,5 @@ bool MachineLoopInfo::runOnMachineFunction(MachineFunction &) { void MachineLoopInfo::getAnalysisUsage(AnalysisUsage &AU) const { AU.setPreservesAll(); AU.addRequired<MachineDominatorTree>(); + MachineFunctionPass::getAnalysisUsage(AU); } |