diff options
| author | Bob Wilson <bob.wilson@apple.com> | 2010-02-26 19:09:47 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-02-26 19:09:47 +0000 |
| commit | 8561dcd7306f4a4d45b1f2372e7cd40a753f2cc6 (patch) | |
| tree | 9fa0ff8b017d20b68486f15b29194f9a64a045d8 /lib/Transforms | |
| parent | ad597f99d997c2b4d598c8942e8c54008496beab (diff) | |
Move the EnableFullLoadPRE flag from a separate command-line option to an
argument of createGVNPass and set it automatically for -O3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97245 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/GVN.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp index f7470c3c19..c9a66fe6ec 100644 --- a/lib/Transforms/Scalar/GVN.cpp +++ b/lib/Transforms/Scalar/GVN.cpp @@ -60,7 +60,6 @@ STATISTIC(NumPRELoad, "Number of loads PRE'd"); static cl::opt<bool> EnablePRE("enable-pre", cl::init(true), cl::Hidden); static cl::opt<bool> EnableLoadPRE("enable-load-pre", cl::init(true)); -static cl::opt<bool> EnableFullLoadPRE("enable-full-load-pre", cl::init(false)); //===----------------------------------------------------------------------===// // ValueTable Class @@ -662,10 +661,12 @@ namespace { bool runOnFunction(Function &F); public: static char ID; // Pass identification, replacement for typeid - explicit GVN(bool noloads = false) - : FunctionPass(&ID), NoLoads(noloads), MD(0) { } + explicit GVN(bool fullloadpre = true, bool noloads = false) + : FunctionPass(&ID), EnableFullLoadPRE(fullloadpre), + NoLoads(noloads), MD(0) { } private: + bool EnableFullLoadPRE; bool NoLoads; MemoryDependenceAnalysis *MD; DominatorTree *DT; @@ -710,8 +711,8 @@ namespace { } // createGVNPass - The public interface to this file... -FunctionPass *llvm::createGVNPass(bool NoLoads) { - return new GVN(NoLoads); +FunctionPass *llvm::createGVNPass(bool EnableFullLoadPRE, bool NoLoads) { + return new GVN(EnableFullLoadPRE, NoLoads); } static RegisterPass<GVN> X("gvn", |