diff options
Diffstat (limited to 'lib/CodeGen/LLVMTargetMachine.cpp')
| -rw-r--r-- | lib/CodeGen/LLVMTargetMachine.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp index 13cd45e592..0b9821c637 100644 --- a/lib/CodeGen/LLVMTargetMachine.cpp +++ b/lib/CodeGen/LLVMTargetMachine.cpp @@ -13,6 +13,7 @@ #include "llvm/Target/TargetMachine.h" #include "llvm/PassManager.h" +#include "llvm/Analysis/Passes.h" #include "llvm/Analysis/Verifier.h" #include "llvm/Assembly/PrintModulePass.h" #include "llvm/CodeGen/AsmPrinter.h" @@ -32,7 +33,6 @@ #include "llvm/Support/CommandLine.h" #include "llvm/Support/Debug.h" #include "llvm/Support/FormattedStream.h" -#include "llvm/Support/StandardPasses.h" using namespace llvm; namespace llvm { @@ -292,7 +292,11 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM, // Standard LLVM-Level Passes. // Basic AliasAnalysis support. - createStandardAliasAnalysisPasses(&PM); + // Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that + // BasicAliasAnalysis wins if they disagree. This is intended to help + // support "obvious" type-punning idioms. + PM.add(createTypeBasedAliasAnalysisPass()); + PM.add(createBasicAliasAnalysisPass()); // Before running any passes, run the verifier to determine if the input // coming from the front-end and/or optimizer is valid. |