SimplifyCFG: Use parallel-and and parallel-or mode to consolidate branch conditions
Merge consecutive if-regions if they contain identical statements.
Both transformations reduce number of branches. The transformation
is guarded by a target-hook, and is currently enabled only for +R600,
but the correctness has been tested on X86 target using a variety of
CPU benchmarks.
Patch by: Mei Ye
llvm-svn: 187278
diff --git a/llvm/tools/lto/LTOCodeGenerator.cpp b/llvm/tools/lto/LTOCodeGenerator.cpp
index 6139ade..776a5b9 100644
--- a/llvm/tools/lto/LTOCodeGenerator.cpp
+++ b/llvm/tools/lto/LTOCodeGenerator.cpp
@@ -118,7 +118,7 @@
initializeGVNPass(R);
initializeMemCpyOptPass(R);
initializeDCEPass(R);
- initializeCFGSimplifyPassPass(R);
+ initializeCFGCanonicalizePass(R);
}
bool LTOCodeGenerator::addModule(LTOModule* mod, std::string& errMsg) {