diff options
Diffstat (limited to 'lib/Target/TargetMachine.cpp')
-rw-r--r-- | lib/Target/TargetMachine.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp index 84149f8934..8d9a832d28 100644 --- a/lib/Target/TargetMachine.cpp +++ b/lib/Target/TargetMachine.cpp @@ -12,6 +12,7 @@ #include "llvm/CodeGen/InstrSelection.h" #include "llvm/CodeGen/InstrScheduling.h" #include "llvm/CodeGen/RegisterAllocation.h" +#include "llvm/CodeGen/PeepholeOpts.h" #include "llvm/CodeGen/MachineCodeForMethod.h" #include "llvm/CodeGen/MachineCodeForInstruction.h" #include "llvm/Reoptimizer/Mapping/MappingInfo.h" @@ -32,6 +33,9 @@ static cl::opt<bool> DisablePreSelect("nopreselect", static cl::opt<bool> DisableSched("nosched", cl::desc("Disable local scheduling pass")); +static cl::opt<bool> DisablePeephole("nopeephole", + cl::desc("Disable peephole optimization pass")); + //--------------------------------------------------------------------------- // class TargetMachine // @@ -132,13 +136,11 @@ TargetMachine::addPassesToEmitAssembly(PassManager &PM, std::ostream &Out) PM.add(getRegisterAllocator(*this)); - //PM.add(new OptimizeLeafProcedures()); - //PM.add(new DeleteFallThroughBranches()); - //PM.add(new RemoveChainedBranches()); // should be folded with previous - //PM.add(new RemoveRedundantOps()); // operations with %g0, NOP, etc. - PM.add(getPrologEpilogInsertionPass()); + if (!DisablePeephole) + PM.add(createPeepholeOptsPass(*this)); + PM.add(MappingInfoForFunction(Out)); // Output assembly language to the .s file. Assembly emission is split into |