Turn on argument promotion in gccas. This can give us substantially better

code in cases where the file has lots of static functions or anon namespaces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12361 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index e04b2b5646a42fcdce08b4bbc4a086f090dd8d73..dd2b307d3b8ffc40490e98f15afe89d9fcbf521d 100644 (file)
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -79,6 +79,7 @@ void AddConfiguredTransformationPasses(PassManager &PM) {
 
   if (!DisableInline)
     addPass(PM, createFunctionInliningPass());   // Inline small functions
+  addPass(PM, createArgumentPromotionPass());    // Scalarize uninlined fn args
 
   addPass(PM, createRaisePointerReferencesPass());// Recover type information
   addPass(PM, createTailDuplicationPass());      // Simplify cfg by copying code