Add FP_CONTRACT support for clang.

Clang will now honor the FP_CONTRACT pragma and emit LLVM
fmuladd intrinsics for expressions of the form A * B + C (when they occur in a
single statement).



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164989 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 763ef28919..ad4a17f99c 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -4833,7 +4833,8 @@ ExprResult Sema::ActOnDecltypeExpression(Expr *E) {
                                                 BO_Comma, BO->getType(),
                                                 BO->getValueKind(),
                                                 BO->getObjectKind(),
-                                                BO->getOperatorLoc()));
+                                                BO->getOperatorLoc(),
+                                                BO->isFPContractable()));
     }
   }