File: builtins.cpp

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-9
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,144 kB
  • ctags: 428,836
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (28 lines) | stat: -rw-r--r-- 730 bytes parent folder | download | duplicates (8)
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 -triple=x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s

// PR8839
extern "C" char memmove();

int main() {
  // CHECK: call {{signext i8|i8}} @memmove()
  return memmove();
}

struct S;
// CHECK: define {{.*}} @_Z9addressofbR1SS0_(
S *addressof(bool b, S &s, S &t) {
  // CHECK: %[[LVALUE:.*]] = phi
  // CHECK: ret {{.*}}* %[[LVALUE]]
  return __builtin_addressof(b ? s : t);
}

extern "C" int __builtin_abs(int); // #1
long __builtin_abs(long);          // #2
extern "C" int __builtin_abs(int); // #3

int x = __builtin_abs(-2);
// CHECK:  store i32 2, i32* @x, align 4

long y = __builtin_abs(-2l);
// CHECK:  [[Y:%.+]] = call i64 @_Z13__builtin_absl(i64 -2)
// CHECK:  store i64 [[Y]], i64* @y, align 8