File: threadsafe-statics.cpp

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (27 lines) | stat: -rw-r--r-- 935 bytes parent folder | download | duplicates (10)
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
// RUN: %clang_cc1 -emit-llvm -triple=x86_64-apple-darwin10 -o - %s | FileCheck -check-prefix=WITH-TSS %s
// RUN: %clang_cc1 -emit-llvm -triple=x86_64-apple-darwin10 -o - %s -fno-threadsafe-statics | FileCheck -check-prefix=NO-TSS %s

int f();

// WITH-TSS: @_ZZ1gvE1a = internal global i32 0, align 4
// WITH-TSS: @_ZGVZ1gvE1a = internal global i64 0

// WITH-TSS: define void @_Z1gv() [[NUW:#[0-9]+]]
// WITH-TSS: call i32 @__cxa_guard_acquire
// WITH-TSS: call void @__cxa_guard_release
// WITH-TSS: ret void
void g() { 
  static int a = f();
}

// NO-TSS: @_ZZ1gvE1a = internal global i32 0, align 4
// NO-TSS: @_ZGVZ1gvE1a = internal global i8 0

// NO-TSS: define void @_Z1gv() [[NUW:#[0-9]+]]
// NO-TSS-NOT: call i32 @__cxa_guard_acquire
// NO-TSS-NOT: call void @__cxa_guard_release
// NO-TSS: ret void

// WITH-TSS: attributes [[NUW]] = { noinline nounwind{{.*}} }

// NO-TSS: attributes [[NUW]] = { noinline nounwind{{.*}} }