Implement default argument promotions (for old-style function calls and variable argument lists).
[dylan:~/llvm/tools/clang] admin% cat x.c
int printf(const char *, ...);
int oldschool();
void foo() {
float f;
short i;
printf("foo %f", 1.0f);
oldschool(f,i);
}
[dylan:~/llvm/tools/clang] admin% ../../Debug/bin/clang x.c -parse-ast-dump
int printf(char const *, ...);
int oldschool();
void foo()
(CompoundStmt 0x3105f00
(DeclStmt 0x3105ba0
0x3105ce0 "float f")
(DeclStmt 0x3105c90
0x3105d10 "short i")
(CallExpr 0x3105df0 'int'
(ImplicitCastExpr 0x3105dc0 'int (*)(char const *, ...)'
(DeclRefExpr 0x3105c20 'int (char const *, ...)' Decl='printf' 0x3105bd0))
(ImplicitCastExpr 0x3105dd0 'char const *'
(StringLiteral 0x3105d60 'char *' "foo %f"))
(ImplicitCastExpr 0x3105de0 'double'
(FloatingLiteral 0x3105d80 'float' 1.000000)))
(CallExpr 0x3105ed0 'int'
(ImplicitCastExpr 0x3105ea0 'int (*)()'
(DeclRefExpr 0x3105e20 'int ()' Decl='oldschool' 0x3105c40))
(ImplicitCastExpr 0x3105eb0 'double'
(DeclRefExpr 0x3105e40 'float' Decl='f' 0x3105ce0))
(ImplicitCastExpr 0x3105ec0 'int'
(DeclRefExpr 0x3105e60 'short' Decl='i' 0x3105d10))))
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41558 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed