diff options
Diffstat (limited to 'llvm/lib/Target/IA64/IA64TargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/IA64/IA64TargetMachine.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/llvm/lib/Target/IA64/IA64TargetMachine.cpp b/llvm/lib/Target/IA64/IA64TargetMachine.cpp index 7d80e5770c4..3760f489b52 100644 --- a/llvm/lib/Target/IA64/IA64TargetMachine.cpp +++ b/llvm/lib/Target/IA64/IA64TargetMachine.cpp @@ -37,6 +37,9 @@ namespace { cl::desc("Disable the IA64 asm printer, for use " "when profiling the code generator.")); + cl::opt<bool> EnableDAGIsel("enable-ia64-dag-isel", cl::Hidden, + cl::desc("Enable the IA64 DAG->DAG isel")); + // Register the target. RegisterTarget<IA64TargetMachine> X("ia64", " IA-64 (Itanium)"); } @@ -97,8 +100,12 @@ bool IA64TargetMachine::addPassesToEmitFile(PassManager &PM, // Make sure that no unreachable blocks are instruction selected. PM.add(createUnreachableBlockEliminationPass()); - PM.add(createIA64PatternInstructionSelector(*this)); - + // Add an instruction selector + if(EnableDAGIsel) + PM.add(createIA64DAGToDAGInstructionSelector(*this)); + else + PM.add(createIA64PatternInstructionSelector(*this)); + /* XXX not yet. ;) // Run optional SSA-based machine code optimizations next... if (!NoSSAPeephole) |
