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Add a debugging option to gccas to cause it to not do level raise or anything

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after it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1934 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-03-21 21:21:50 +00:00
parent 599ca72f5f
commit 081c409e27
1 changed files with 8 additions and 4 deletions
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12
tools/gccas/gccas.cpp
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@ -26,6 +26,8 @@
cl::String InputFilename ("", "Parse <arg> file, compile to bytecode",
cl::Required, "");
cl::String OutputFilename("o", "Override output filename", cl::NoFlags, "");
cl::Flag StopAtLevelRaise("stopraise", "Stop optimization before level raise",
cl::Hidden);
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm .s -> .o assembler for GCC\n");
@ -69,10 +71,12 @@ int main(int argc, char **argv) {
Passes.add(createRaiseAllocationsPass()); // call %malloc -> malloc inst
Passes.add(createCleanupGCCOutputPass()); // Fix gccisms
Passes.add(createIndVarSimplifyPass()); // Simplify indvars
Passes.add(createRaisePointerReferencesPass()); // Eliminate casts
Passes.add(createConstantMergePass()); // Merge dup global consts
Passes.add(createInstructionCombiningPass()); // Combine silly seq's
Passes.add(createDeadCodeEliminationPass()); // Remove Dead code/vars
if (!StopAtLevelRaise) {
Passes.add(createRaisePointerReferencesPass()); // Eliminate casts
Passes.add(createConstantMergePass()); // Merge dup global consts
Passes.add(createInstructionCombiningPass()); // Combine silly seq's
Passes.add(createDeadCodeEliminationPass()); // Remove Dead code/vars
}
Passes.add(new WriteBytecodePass(&Out)); // Write bytecode to file...
// Run our queue of passes all at once now, efficiently.