File: cxx-default-arg.cpp

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (25 lines) | stat: -rw-r--r-- 713 bytes parent folder | download | duplicates (36) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm %s -o %t

// Note-LABEL: define CLANG_GENERATE_KNOWN_GOOD and compile to generate code
// that makes all of the defaulted arguments explicit. The resulting
// byte code should be identical to the compilation without
// CLANG_GENERATE_KNOWN_GOOD.
#ifdef CLANG_GENERATE_KNOWN_GOOD
#  define DEFARG(...) __VA_ARGS__
#else
#  define DEFARG(...)
#endif

extern int x;
struct S { float x; float y; } s;
double _Complex c;

void f(int i = 0, int j = 1, int k = x, struct S t = s, double _Complex d = c);

void g() {
  f(0, 1, x, s DEFARG(, c));
  f(0, 1, x DEFARG(, s, c));
  f(0, 1 DEFARG(, x, s, c));
  f(0 DEFARG(, 1, x, s, c));
  f(DEFARG(0, 1, x, s, c));
}