CodeGen: Initial instrumentation based PGO implementation

llvm-svn: 198640

1 files changed, 7 insertions, 1 deletions

diff --git a/clang/lib/CodeGen/CGExprComplex.cpp b/clang/lib/CodeGen/CGExprComplex.cpp
index ded4bb86172..145d94620ee 100644
--- a/clang/lib/CodeGen/CGExprComplex.cpp
+++ b/clang/lib/CodeGen/CGExprComplex.cpp
@@ -752,22 +752,28 @@ VisitAbstractConditionalOperator(const AbstractConditionalOperator *E) {
   // Bind the common expression if necessary.
   CodeGenFunction::OpaqueValueMapping binding(CGF, E);
 
+  RegionCounter Cnt = CGF.getPGORegionCounter(E);
   CodeGenFunction::ConditionalEvaluation eval(CGF);
-  CGF.EmitBranchOnBoolExpr(E->getCond(), LHSBlock, RHSBlock);
+  CGF.EmitBranchOnBoolExpr(E->getCond(), LHSBlock, RHSBlock, Cnt.getCount());
 
   eval.begin(CGF);
   CGF.EmitBlock(LHSBlock);
+  Cnt.beginRegion(Builder);
   ComplexPairTy LHS = Visit(E->getTrueExpr());
+  Cnt.adjustFallThroughCount();
   LHSBlock = Builder.GetInsertBlock();
   CGF.EmitBranch(ContBlock);
   eval.end(CGF);
 
   eval.begin(CGF);
   CGF.EmitBlock(RHSBlock);
+  Cnt.beginElseRegion();
   ComplexPairTy RHS = Visit(E->getFalseExpr());
+  Cnt.adjustFallThroughCount();
   RHSBlock = Builder.GetInsertBlock();
   CGF.EmitBlock(ContBlock);
   eval.end(CGF);
+  Cnt.applyAdjustmentsToRegion();
 
   // Create a PHI node for the real part.
   llvm::PHINode *RealPN = Builder.CreatePHI(LHS.first->getType(), 2, "cond.r");