From 8ac58a83eb992c6ee342f9ce7d729971fd000715 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 29 Apr 2002 20:11:38 +0000 Subject: [PATCH] Move constant merging pass earlier Include the SCCP pass in gccas git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2410 91177308-0d34-0410-b5e6-96231b3b80d8 --- tools/gccas/gccas.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp index ef502c22f9f..ce22ccdaf3b 100644 --- a/tools/gccas/gccas.cpp +++ b/tools/gccas/gccas.cpp @@ -14,6 +14,7 @@ #include "llvm/Transforms/LevelChange.h" #include "llvm/Transforms/ConstantMerge.h" #include "llvm/Transforms/ChangeAllocations.h" +#include "llvm/Transforms/Scalar/ConstantProp.h" #include "llvm/Transforms/Scalar/DCE.h" #include "llvm/Transforms/Scalar/GCSE.h" #include "llvm/Transforms/Scalar/IndVarSimplify.h" @@ -73,6 +74,7 @@ int main(int argc, char **argv) { // PassManager Passes; Passes.add(createFunctionResolvingPass()); // Resolve (...) functions + Passes.add(createConstantMergePass()); // Merge dup global constants Passes.add(createDeadInstEliminationPass()); // Remove Dead code/vars Passes.add(createRaiseAllocationsPass()); // call %malloc -> malloc inst Passes.add(createCleanupGCCOutputPass()); // Fix gccisms @@ -80,9 +82,9 @@ int main(int argc, char **argv) { if (!StopAtLevelRaise) { Passes.add(createRaisePointerReferencesPass()); // Eliminate casts Passes.add(createPromoteMemoryToRegister()); // Promote alloca's to regs - Passes.add(createConstantMergePass()); // Merge dup global consts Passes.add(createInstructionCombiningPass()); // Combine silly seq's Passes.add(createDeadCodeEliminationPass()); // Remove Dead code/vars + Passes.add(createSCCPPass()); // Constant prop with SCCP Passes.add(createGCSEPass()); // Remove common subexprs } Passes.add(new WriteBytecodePass(&Out)); // Write bytecode to file... -- 2.34.1