Move support for "#pragma STDC FP_CONTRACT" to Parser; add Sema actions

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125474 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 15 insertions, 1 deletions

diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index eda88881a4..a1ad78418f 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -131,7 +131,7 @@ void Sema::ActOnTranslationUnitScope(Scope *S) {
 Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
            bool CompleteTranslationUnit,
            CodeCompleteConsumer *CodeCompleter)
-  : TheTargetAttributesSema(0),
+  : TheTargetAttributesSema(0), FPFeatures(pp.getLangOptions()),
     LangOpts(pp.getLangOptions()), PP(pp), Context(ctxt), Consumer(consumer),
     Diags(PP.getDiagnostics()), SourceMgr(PP.getSourceManager()),
     ExternalSource(0), CodeCompleter(CodeCompleter), CurContext(0), 
diff --git a/lib/Sema/SemaAttr.cpp b/lib/Sema/SemaAttr.cpp
index c983199cf9..794b0b1f1c 100644
--- a/lib/Sema/SemaAttr.cpp
+++ b/lib/Sema/SemaAttr.cpp
@@ -350,6 +350,20 @@ void Sema::ActOnPragmaVisibility(bool IsPush, const IdentifierInfo* VisType,
   }
 }
 
+void Sema::ActOnPragmaFPContract(tok::OnOffSwitch OOS) {
+  switch (OOS) {
+  case tok::OOS_ON:
+    FPFeatures.fp_contract = 1;
+    break;
+  case tok::OOS_OFF:
+    FPFeatures.fp_contract = 0; 
+    break;
+  case tok::OOS_DEFAULT:
+    FPFeatures.fp_contract = getLangOptions().DefaultFPContract;
+    break;
+  }
+}
+
 void Sema::PushNamespaceVisibilityAttr(const VisibilityAttr *Attr) {
   // Visibility calculations will consider the namespace's visibility.
   // Here we just want to note that we're in a visibility context