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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
commitbbeeb2a61ea19fbb5449260165b56c40fdc4860b (patch)
treeafd3e364209c9b349e6a70ca3ee71c086ff7297a /lib/CodeGen/LowerSubregs.cpp
parentf74185b80e07d58208b24f0314d94853d48ec9bd (diff)
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Mark several codegen passes as preserving all analysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56469 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LowerSubregs.cpp')
-rw-r--r--lib/CodeGen/LowerSubregs.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/LowerSubregs.cpp b/lib/CodeGen/LowerSubregs.cpp
index 6e115dd..5430d4f 100644
--- a/lib/CodeGen/LowerSubregs.cpp
+++ b/lib/CodeGen/LowerSubregs.cpp
@@ -30,6 +30,11 @@ namespace {
return "Subregister lowering instruction pass";
}
+ virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
+ MachineFunctionPass::getAnalysisUsage(AU);
+ }
+
/// runOnMachineFunction - pass entry point
bool runOnMachineFunction(MachineFunction&);