File: cxx2b-consteval-if.cpp

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-16
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,368 kB
  • sloc: cpp: 5,593,980; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (28 lines) | stat: -rw-r--r-- 642 bytes parent folder | download | duplicates (3) 
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
26
27
28
 
// RUN: %clang_cc1 -std=c++2b %s -emit-llvm -o - | FileCheck %s

void should_be_used_1();
void should_be_used_2();
void should_be_used_3();
constexpr void should_not_be_used() {}

constexpr void f() {
  if consteval {
    should_not_be_used(); // CHECK-NOT: call {{.*}}should_not_be_used
  } else {
    should_be_used_1();  // CHECK: call {{.*}}should_be_used_1
  }

  if !consteval {
    should_be_used_2();  // CHECK: call {{.*}}should_be_used_2
  }

  if !consteval {
    should_be_used_3();  // CHECK: call {{.*}}should_be_used_3
  } else {
    should_not_be_used(); // CHECK-NOT: call {{.*}}should_not_be_used
  }
}

void g() {
  f();
}