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| author | Evan Cheng <evan.cheng@apple.com> | 2008-06-04 09:17:16 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-06-04 09:17:16 +0000 |
| commit | 375cac23b0efe93bdd869790aee9a5c2e0a6968c (patch) | |
| tree | 7a5955e3a6d97a07f98cdf8c435751ca7c5fdb40 /lib/CodeGen/LowerSubregs.cpp | |
| parent | 1376d86aa7ca10c805382047296b9451943fb108 (diff) | |
| download | external_llvm-375cac23b0efe93bdd869790aee9a5c2e0a6968c.zip external_llvm-375cac23b0efe93bdd869790aee9a5c2e0a6968c.tar.gz external_llvm-375cac23b0efe93bdd869790aee9a5c2e0a6968c.tar.bz2 | |
LowerSubregs should not clobber any analysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51933 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LowerSubregs.cpp')
| -rw-r--r-- | lib/CodeGen/LowerSubregs.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/LowerSubregs.cpp b/lib/CodeGen/LowerSubregs.cpp index 0710a35..aaadda1 100644 --- a/lib/CodeGen/LowerSubregs.cpp +++ b/lib/CodeGen/LowerSubregs.cpp @@ -30,6 +30,10 @@ namespace { return "Subregister lowering instruction pass"; } + void getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesAll(); + } + /// runOnMachineFunction - pass entry point bool runOnMachineFunction(MachineFunction&); |