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Add option -polly-code-generator=none 

This allows us to test Polly and the Polly optimizer without actually doing
code generation at the end. By enabling this option, we can also measure the
compile time overhead due to code generation and the cost of LLVM optimizing the
newly generated code.t

llvm-svn: 177516
This commit is contained in:
Tobias Grosser 2013-03-20 13:03:26 +00:00
parent 0fbbbf6aa7
commit b921e6377b
1 changed files with 5 additions and 1 deletions
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6
polly/lib/RegisterPasses.cpp
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@ -68,7 +68,8 @@ enum CodeGenChoice {
#ifdef CLOOG_FOUND #ifdef CLOOG_FOUND
CODEGEN_CLOOG, CODEGEN_CLOOG,
#endif #endif
CODEGEN_ISL CODEGEN_ISL,
CODEGEN_NONE
}; };
#ifdef CLOOG_FOUND #ifdef CLOOG_FOUND
@ -86,6 +87,7 @@ CodeGenerator("polly-code-generator",
clEnumValN(CODEGEN_CLOOG, "cloog", "CLooG"), clEnumValN(CODEGEN_CLOOG, "cloog", "CLooG"),
#endif #endif
clEnumValN(CODEGEN_ISL, "isl", "isl code generator"), clEnumValN(CODEGEN_ISL, "isl", "isl code generator"),
clEnumValN(CODEGEN_NONE, "none", "no code generation"),
clEnumValEnd), clEnumValEnd),
cl::Hidden, cl::init(DefaultCodeGen), cl::ZeroOrMore); cl::Hidden, cl::init(DefaultCodeGen), cl::ZeroOrMore);
@ -279,6 +281,8 @@ static void registerPollyPasses(llvm::PassManagerBase &PM) {
case CODEGEN_ISL: case CODEGEN_ISL:
PM.add(polly::createIslCodeGenerationPass()); PM.add(polly::createIslCodeGenerationPass());
break; break;
case CODEGEN_NONE:
break;
} }
if (CFGPrinter) if (CFGPrinter)