File: attr-notail.cpp

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (31 lines) | stat: -rw-r--r-- 876 bytes parent folder | download | duplicates (16) 
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
29
30
31
 
// RUN: %clang_cc1 -triple=x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s

class Class1 {
public:
  [[clang::not_tail_called]] int m1();
  int m2();
  [[clang::not_tail_called]] virtual int m3();
  virtual int m4();
};

class Class2: public Class1 {
public:
  [[clang::not_tail_called]] int m4() override;
};

int foo1(int a, Class1 *c1, Class2 &c2) {
  if (a)
    return c1->m1();
  c1->m3();
  Class1 &c = c2;
  c.m4();
  c2.m4();
  return c1->m2();
}

// CHECK-LABEL: define{{.*}} i32 @_Z4foo1iP6Class1R6Class2(
// CHECK: %{{[a-z0-9]+}} = notail call noundef i32 @_ZN6Class12m1Ev(ptr
// CHECK: %{{[a-z0-9]+}} = notail call noundef i32 %{{[0-9]+}}(ptr
// CHECK-NOT: %{{[a-z0-9]+}} = notail call noundef i32 %{{[0-9]+}}(ptr
// CHECK: %{{[a-z0-9]+}} = notail call noundef i32 %{{[0-9]+}}(ptr 
// CHECK: %{{[a-z0-9]+}} = call noundef i32 @_ZN6Class12m2Ev(ptr