replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix a bug where we didn't promote 'const float' (or typedefs) to 

double in some places.

llvm-svn: 52846
This commit is contained in:
Chris Lattner 2008-06-27 22:48:56 +00:00
parent acbc2d200d
commit e6c693d932
2 changed files with 12 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
clang/lib/Sema/SemaExpr.cpp
View File

@ -1045,9 +1045,11 @@ void Sema::DefaultArgumentPromotion(Expr *&Expr) {
QualType Ty = Expr->getType();
assert(!Ty.isNull() && "DefaultArgumentPromotion - missing type");
if (Ty == Context.FloatTy)
ImpCastExprToType(Expr, Context.DoubleTy);
else
// If this is a 'float' (CVR qualified or typedef) promote to double.
if (const BuiltinType *BT = Ty->getAsBuiltinType())
if (BT->getKind() == BuiltinType::Float)
return ImpCastExprToType(Expr, Context.DoubleTy);
UsualUnaryConversions(Expr);
}

7
clang/test/CodeGen/exprs.c
View File

@ -1,4 +1,4 @@
// RUN: clang %s -emit-llvm
// RUN: clang %s -emit-llvm -o -
// PR1895
// sizeof function
@ -34,3 +34,8 @@ void test4() {
t2 = __alignof__(test4());
}
// 'const float' promotes to double in varargs.
int test5(const float x, float float_number) {
return __builtin_isless(x, float_number);
}