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 | 5ea74d55ce5f54076cbfc30641ec0a052b5c71a2 (patch) | |
| tree | a260b4c3cc543ef0041e9d6e20e476e4a9e5bf7d /llvm/lib/CodeGen/MachineLoopInfo.cpp | |
| parent | cd4c338437bef03a4d504da84b1763b080777307 (diff) | |
| download | bcm5719-llvm-5ea74d55ce5f54076cbfc30641ec0a052b5c71a2.tar.gz bcm5719-llvm-5ea74d55ce5f54076cbfc30641ec0a052b5c71a2.zip | |
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.
llvm-svn: 77691
Diffstat (limited to 'llvm/lib/CodeGen/MachineLoopInfo.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineLoopInfo.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineLoopInfo.cpp b/llvm/lib/CodeGen/MachineLoopInfo.cpp index a5694ae82b0..2da8e3760e9 100644 --- a/llvm/lib/CodeGen/MachineLoopInfo.cpp +++ b/llvm/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); } |
