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authorEvan Cheng <evan.cheng@apple.com>2008-09-22 20:58:04 +0000
committerEvan Cheng <evan.cheng@apple.com>2008-09-22 20:58:04 +0000
commit168f8f3916733e18b237046007d41fa95f2ef025 (patch)
tree2deea0ac8a64099c8845d074fbbf9fed0bbdd73e /llvm/lib/CodeGen/MachineModuleInfo.cpp
parentf1acc4d6107dc470a6565d73027d6fc2bd9c9784 (diff)
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Mark several codegen passes as preserving all analysis.
llvm-svn: 56469
Diffstat (limited to 'llvm/lib/CodeGen/MachineModuleInfo.cpp')
-rw-r--r--llvm/lib/CodeGen/MachineModuleInfo.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineModuleInfo.cpp b/llvm/lib/CodeGen/MachineModuleInfo.cpp
index 69f8d3c..9843ff2 100644
--- a/llvm/lib/CodeGen/MachineModuleInfo.cpp
+++ b/llvm/lib/CodeGen/MachineModuleInfo.cpp
@@ -2013,6 +2013,11 @@ struct DebugLabelFolder : public MachineFunctionPass {
static char ID;
DebugLabelFolder() : MachineFunctionPass(&ID) {}
+ virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
+ MachineFunctionPass::getAnalysisUsage(AU);
+ }
+
virtual bool runOnMachineFunction(MachineFunction &MF);
virtual const char *getPassName() const { return "Label Folder"; }
};