File: attr-noinline.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 (55 lines) | stat: -rw-r--r-- 1,980 bytes parent folder | download | duplicates (5)
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
// RUN: %clang_cc1 -S -emit-llvm %s -triple x86_64-unknown-linux-gnu -o - | FileCheck %s

bool bar();
void f(bool, bool);
void g(bool);

static int baz(int x) {
    return x * 10;
}

[[clang::noinline]] bool noi() { }

void foo(int i) {
  [[clang::noinline]] bar();
// CHECK: call noundef zeroext i1 @_Z3barv() #[[NOINLINEATTR:[0-9]+]]
  [[clang::noinline]] i = baz(i);
// CHECK: call noundef i32 @_ZL3bazi({{.*}}) #[[NOINLINEATTR]]
  [[clang::noinline]] (i = 4, bar());
// CHECK: call noundef zeroext i1 @_Z3barv() #[[NOINLINEATTR]]
  [[clang::noinline]] (void)(bar());
// CHECK: call noundef zeroext i1 @_Z3barv() #[[NOINLINEATTR]]
  [[clang::noinline]] f(bar(), bar());
// CHECK: call noundef zeroext i1 @_Z3barv() #[[NOINLINEATTR]]
// CHECK: call noundef zeroext i1 @_Z3barv() #[[NOINLINEATTR]]
// CHECK: call void @_Z1fbb({{.*}}) #[[NOINLINEATTR]]
  [[clang::noinline]] [] { bar(); bar(); }(); // noinline only applies to the anonymous function call
// CHECK: call void @"_ZZ3fooiENK3$_0clEv"(ptr {{[^,]*}} %ref.tmp) #[[NOINLINEATTR]]
  [[clang::noinline]] for (bar(); bar(); bar()) {}
// CHECK: call noundef zeroext i1 @_Z3barv() #[[NOINLINEATTR]]
// CHECK: call noundef zeroext i1 @_Z3barv() #[[NOINLINEATTR]]
// CHECK: call noundef zeroext i1 @_Z3barv() #[[NOINLINEATTR]]
  bar();
// CHECK: call noundef zeroext i1 @_Z3barv()
  [[clang::noinline]] noi();
// CHECK: call noundef zeroext i1 @_Z3noiv()
  noi();
// CHECK: call noundef zeroext i1 @_Z3noiv()
  [[gnu::noinline]] bar();
// CHECK: call noundef zeroext i1 @_Z3barv()
}

struct S {
  friend bool operator==(const S &LHS, const S &RHS);
};

void func(const S &s1, const S &s2) {
  [[clang::noinline]]g(s1 == s2);
// CHECK: call noundef zeroext i1 @_ZeqRK1SS1_({{.*}}) #[[NOINLINEATTR]]
// CHECK: call void @_Z1gb({{.*}}) #[[NOINLINEATTR]]
  bool b;
  [[clang::noinline]] b = s1 == s2;
// CHECK: call noundef zeroext i1 @_ZeqRK1SS1_({{.*}}) #[[NOINLINEATTR]]
}

// CHECK: attributes #[[NOINLINEATTR]] = { noinline }