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| author | Dan Gohman <gohman@apple.com> | 2009-07-31 23:36:22 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-07-31 23:36:22 +0000 |
| commit | 03354410a05e9b2d4af041326bcc7c363880e703 (patch) | |
| tree | 0e5782f260cfcccd869ee37e79b44ef92421ecda /lib | |
| parent | b067fe1f969786a0971638338e4122fe78d81595 (diff) | |
| download | external_llvm-03354410a05e9b2d4af041326bcc7c363880e703.tar.gz external_llvm-03354410a05e9b2d4af041326bcc7c363880e703.tar.bz2 external_llvm-03354410a05e9b2d4af041326bcc7c363880e703.zip | |
SelectionDAGISel does not "preserve all", since it makes lots of changes
to the MachineFunction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77753 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 1072c95acd..301c5a7262 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -289,9 +289,11 @@ unsigned SelectionDAGISel::MakeReg(MVT VT) { void SelectionDAGISel::getAnalysisUsage(AnalysisUsage &AU) const { AU.addRequired<AliasAnalysis>(); + AU.addPreserved<AliasAnalysis>(); AU.addRequired<GCModuleInfo>(); + AU.addPreserved<GCModuleInfo>(); AU.addRequired<DwarfWriter>(); - AU.setPreservesAll(); + AU.addPreserved<DwarfWriter>(); MachineFunctionPass::getAnalysisUsage(AU); } |