diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCTargetMachine.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCTargetMachine.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp index e1f29ba519..18c7fdc904 100644 --- a/lib/Target/PowerPC/PPCTargetMachine.cpp +++ b/lib/Target/PowerPC/PPCTargetMachine.cpp @@ -30,8 +30,11 @@ using namespace llvm; namespace { - const std::string PPC32ID = "PowerPC/32bit"; + const char *PPC32ID = "PowerPC/32bit"; + static cl::opt<bool> EnablePPCDAGDAG("enable-ppc-dag-isel", cl::Hidden, + cl::desc("Enable DAG-to-DAG isel for PPC (beta)")); + // Register the targets RegisterTarget<PPC32TargetMachine> X("ppc32", " PowerPC 32-bit"); @@ -81,8 +84,11 @@ bool PowerPCTargetMachine::addPassesToEmitFile(PassManager &PM, // Make sure that no unreachable blocks are instruction selected. PM.add(createUnreachableBlockEliminationPass()); - // Default to pattern ISel - if (PatternISelTriState == 0) { + // Install an instruction selector. + if (EnablePPCDAGDAG) { + PM.add(createPPC32ISelDag(*this)); + + } else if (PatternISelTriState == 0) { PM.add(createLowerConstantExpressionsPass()); PM.add(createPPC32ISelSimple(*this)); } else |