diff options
| -rw-r--r-- | lib/Target/X86/X86TargetMachine.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp index 0e3eea4392..daa97b2464 100644 --- a/lib/Target/X86/X86TargetMachine.cpp +++ b/lib/Target/X86/X86TargetMachine.cpp @@ -41,6 +41,9 @@ namespace { cl::opt<bool> DisableOutput("disable-x86-llc-output", cl::Hidden, cl::desc("Disable the X86 asm printer, for use " "when profiling the code generator.")); + cl::opt<bool> DisablePatternISel("disable-pattern-isel", cl::Hidden, + cl::desc("Disable the pattern isel XXX FIXME"), + cl::init(true)); #if 0 // FIXME: This should eventually be handled with target triples and @@ -110,7 +113,10 @@ bool X86TargetMachine::addPassesToEmitAssembly(PassManager &PM, // Make sure that no unreachable blocks are instruction selected. PM.add(createUnreachableBlockEliminationPass()); - PM.add(createX86SimpleInstructionSelector(*this)); + if (DisablePatternISel) + PM.add(createX86SimpleInstructionSelector(*this)); + else + PM.add(createX86PatternInstructionSelector(*this)); // Run optional SSA-based machine code optimizations next... if (!NoSSAPeephole) @@ -165,7 +171,10 @@ void X86JITInfo::addPassesToJITCompile(FunctionPassManager &PM) { // Make sure that no unreachable blocks are instruction selected. PM.add(createUnreachableBlockEliminationPass()); - PM.add(createX86SimpleInstructionSelector(TM)); + if (DisablePatternISel) + PM.add(createX86SimpleInstructionSelector(TM)); + else + PM.add(createX86PatternInstructionSelector(TM)); // Run optional SSA-based machine code optimizations next... if (!NoSSAPeephole) |