File: arithmetic-fence-builtin.c

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; 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: 2,538; xml: 953; cs: 573; fortran: 567
file content (46 lines) | stat: -rw-r--r-- 1,996 bytes parent folder | download | duplicates (9)
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
// Tests without serialization:
// RUN: %clang_cc1 -ast-dump -triple i386-pc-linux-gnu %s \
// RUN: | FileCheck %s --strict-whitespace --check-prefixes=CHECK,CHECK1
//
// RUN: %clang_cc1 -ast-dump -triple i386-pc-linux-gnu -DFAST -mreassociate %s \
// RUN: | FileCheck %s --strict-whitespace --check-prefixes=CHECK,CHECK1
//
// RUN: %clang_cc1 -ast-dump -triple i386-pc-linux-gnu -DFAST -mreassociate %s \
// RUN: -fprotect-parens \
// RUN: | FileCheck %s --strict-whitespace --check-prefixes=CHECK,CHECK2
//
// Tests with serialization:
// RUN: %clang_cc1 -ast-dump -triple i386-pc-linux-gnu -emit-pch -o %t %s
// RUN: %clang_cc1 -triple i386-pc-linux-gnu -include-pch %t -ast-dump-all /dev/null \
// RUN: | FileCheck %s --strict-whitespace
//
// RUN: %clang_cc1 -ast-dump -triple i386-pc-linux-gnu -DFAST -mreassociate %s \
// RUN: -emit-pch -o %t
// RUN: %clang_cc1 -triple i386-pc-linux-gnu -include-pch %t -ast-dump-all /dev/null \
// RUN: | FileCheck %s --strict-whitespace --check-prefixes=CHECK,CHECK1
//
// RUN: %clang_cc1 -ast-dump -triple i386-pc-linux-gnu -DFAST -mreassociate %s \
// RUN: -fprotect-parens \
// RUN: -emit-pch -o %t
// RUN: %clang_cc1 -triple i386-pc-linux-gnu -include-pch %t -ast-dump-all /dev/null -fprotect-parens\
// RUN: | FileCheck %s --strict-whitespace --check-prefixes=CHECK,CHECK2

//
int v;
int addit(float a, float b) {

  v = __arithmetic_fence(a + b);

  v = (a + b);

  return 0;
}
//CHECK:| `-CompoundStmt {{.*}}
//CHECK-NEXT:|   |-BinaryOperator {{.*}} 'int' '='
//CHECK-NEXT:|   | |-DeclRefExpr {{.*}} 'int' lvalue Var {{.*}} 'v' 'int'
//CHECK-NEXT:|   | `-ImplicitCastExpr {{.*}}
//CHECK-NEXT:|   |   `-CallExpr {{.*}} 'float'
//CHECK-NEXT:|   |     |-ImplicitCastExpr {{.*}}
//CHECK-NEXT:|   |     | `-DeclRefExpr {{.*}}' Function {{.*}} '__arithmetic_fence'{{.*}}
//CHECK1-NOT:|   |     | `-DeclRefExpr {{.*}}' Function{{.*}} '__arithmetic_fence' 'void ()'
//CHECK2:|   |     | `-DeclRefExpr {{.*}} Function{{.*}} '__arithmetic_fence' 'void ()'