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| author | Chris Lattner <sabre@nondot.org> | 2005-01-07 07:50:50 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-01-07 07:50:50 +0000 |
| commit | ca4ca5520b3bb1fffd817a7686287fae4217e63c (patch) | |
| tree | 272c08d5f6c072824beb94535b06cdfbd94e9810 /llvm/lib/Target/X86/X86TargetMachine.cpp | |
| parent | 88c8a23891fdde48ae5b5d50e7c035648c6302ec (diff) | |
| download | bcm5719-llvm-ca4ca5520b3bb1fffd817a7686287fae4217e63c.tar.gz bcm5719-llvm-ca4ca5520b3bb1fffd817a7686287fae4217e63c.zip | |
Allow the selection-dag based selector to be diabled with -disable-pattern-isel.
For now, this is the default, as the current selector is missing some big pieces.
To enable the new selector, pass -disable-pattern-isel=false to llc or lli.
llvm-svn: 19335
Diffstat (limited to 'llvm/lib/Target/X86/X86TargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetMachine.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp index 0e3eea43924..daa97b2464a 100644 --- a/llvm/lib/Target/X86/X86TargetMachine.cpp +++ b/llvm/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) |
