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| author | Bill Wendling <isanbard@gmail.com> | 2010-08-04 23:36:02 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2010-08-04 23:36:02 +0000 |
| commit | 77c87a2011f97e52139ebc624e9246ad9ae9b20b (patch) | |
| tree | b00163fa236bf603975d90991a229c80105f5077 /lib/CodeGen | |
| parent | 4807923a50e7460bde6f1f9c38de7eb941c9c5fd (diff) | |
| download | external_llvm-77c87a2011f97e52139ebc624e9246ad9ae9b20b.tar.gz external_llvm-77c87a2011f97e52139ebc624e9246ad9ae9b20b.tar.bz2 external_llvm-77c87a2011f97e52139ebc624e9246ad9ae9b20b.zip | |
The lower invoke pass needs to have unreachable code elimination run after it
because it could create such things. This fixes a MingW buildbot test failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110279 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/LLVMTargetMachine.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp index 807ceefd13..9d8258f191 100644 --- a/lib/CodeGen/LLVMTargetMachine.cpp +++ b/lib/CodeGen/LLVMTargetMachine.cpp @@ -288,13 +288,15 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM, // pad is shared by multiple invokes and is also a target of a normal // edge from elsewhere. PM.add(createSjLjEHPass(getTargetLowering())); - PM.add(createDwarfEHPass(this, OptLevel==CodeGenOpt::None)); - break; + // FALLTHROUGH case ExceptionHandling::Dwarf: PM.add(createDwarfEHPass(this, OptLevel==CodeGenOpt::None)); break; case ExceptionHandling::None: PM.add(createLowerInvokePass(getTargetLowering())); + + // The lower invoke pass may create unreachable code. Remove it. + PM.add(createUnreachableBlockEliminationPass()); break; } |