[CodeGen] Move `emitConstant` from ScalarExprEmitter to CodeGenFunction. NFC.

The goal is to use `emitConstant` in more places. Didn't move
`ComplexExprEmitter::emitConstant` because it returns a different type.

Reviewers: rjmccall, ahatanak

Reviewed By: rjmccall

Subscribers: dexonsmith, erik.pilkington, cfe-commits

Differential Revision: https://reviews.llvm.org/D53725

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@345897 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 738263c90649a060a0d2514b8ad59877a5501120..0fd19c9578e382c2848d13835be0350c86931362 100644 (file)
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -1491,6 +1491,16 @@ CodeGenFunction::tryEmitAsConstant(const MemberExpr *ME) {
   return ConstantEmission();
 }
 
+llvm::Value *CodeGenFunction::emitScalarConstant(
+    const CodeGenFunction::ConstantEmission &Constant, Expr *E) {
+  assert(Constant && "not a constant");
+  if (Constant.isReference())
+    return EmitLoadOfLValue(Constant.getReferenceLValue(*this, E),
+                            E->getExprLoc())
+        .getScalarVal();
+  return Constant.getValue();
+}
+
 llvm::Value *CodeGenFunction::EmitLoadOfScalar(LValue lvalue,
                                                SourceLocation Loc) {
   return EmitLoadOfScalar(lvalue.getAddress(), lvalue.isVolatile(),

diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 7b024a015cd38ea0bcd30c66b601452f05319f13..c77f1bab5b151a4b740f34da7a8477b12e157838 100644 (file)
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -466,19 +466,10 @@ public:
     return CGF.getOrCreateOpaqueRValueMapping(E).getScalarVal();
   }
 
-  Value *emitConstant(const CodeGenFunction::ConstantEmission &Constant,
-                      Expr *E) {
-    assert(Constant && "not a constant");
-    if (Constant.isReference())
-      return EmitLoadOfLValue(Constant.getReferenceLValue(CGF, E),
-                              E->getExprLoc());
-    return Constant.getValue();
-  }
-
   // l-values.
   Value *VisitDeclRefExpr(DeclRefExpr *E) {
     if (CodeGenFunction::ConstantEmission Constant = CGF.tryEmitAsConstant(E))
-      return emitConstant(Constant, E);
+      return CGF.emitScalarConstant(Constant, E);
     return EmitLoadOfLValue(E);
   }
 
@@ -1714,7 +1705,7 @@ Value *ScalarExprEmitter::VisitConvertVectorExpr(ConvertVectorExpr *E) {
 Value *ScalarExprEmitter::VisitMemberExpr(MemberExpr *E) {
   if (CodeGenFunction::ConstantEmission Constant = CGF.tryEmitAsConstant(E)) {
     CGF.EmitIgnoredExpr(E->getBase());
-    return emitConstant(Constant, E);
+    return CGF.emitScalarConstant(Constant, E);
   } else {
     llvm::APSInt Value;
     if (E->EvaluateAsInt(Value, CGF.getContext(), Expr::SE_AllowSideEffects)) {

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index d5de0a0473e173f33af0cf60c536ddce5a7d095e..f6b76294ae0264872e4815b4b9abc60536f2a79a 100644 (file)
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -3524,6 +3524,7 @@ public:
 
   ConstantEmission tryEmitAsConstant(DeclRefExpr *refExpr);
   ConstantEmission tryEmitAsConstant(const MemberExpr *ME);
+  llvm::Value *emitScalarConstant(const ConstantEmission &Constant, Expr *E);
 
   RValue EmitPseudoObjectRValue(const PseudoObjectExpr *e,
                                 AggValueSlot slot = AggValueSlot::ignored());