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authorChris Lattner <sabre@nondot.org>2002-04-29 20:11:38 +0000
committerChris Lattner <sabre@nondot.org>2002-04-29 20:11:38 +0000
commit8ac58a83eb992c6ee342f9ce7d729971fd000715 (patch)
treeeac001a76b835a8b763d69842c1376bdd4d10200 /tools/gccas/gccas.cpp
parent4840146b46b9fa4bb3f14c7f5f7eaf27852bfa55 (diff)
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
Diffstat (limited to 'tools/gccas/gccas.cpp')
-rw-r--r--tools/gccas/gccas.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index ef502c22f9..ce22ccdaf3 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...