File: split-stacks.c

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (26 lines) | stat: -rw-r--r-- 881 bytes parent folder | download | duplicates (14) 
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
 
// RUN: %clang -target x86_64-linux-gnu -fsplit-stack -S %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-SEGSTK %s
// RUN: %clang -target x86_64-linux-gnu -S %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-NOSEGSTK %s

int foo() {
  return 0;
}

__attribute__((no_split_stack))
int nosplit() {
  return 0;
}

int main() {
  return foo();
}

// CHECK-SEGSTK: define dso_local i32 @foo() [[SS:#[0-9]+]] {
// CHECK-SEGSTK: define dso_local i32 @nosplit() [[NSS:#[0-9]+]] {
// CHECK-SEGSTK: define dso_local i32 @main() [[SS]] {
// CHECK-SEGSTK-NOT: [[NSS]] = { {{.*}} "split-stack" {{.*}} }
// CHECK-SEGSTK: [[SS]] = { {{.*}} "split-stack" {{.*}} }
// CHECK-SEGSTK-NOT: [[NSS]] = { {{.*}} "split-stack" {{.*}} }

// CHECK-NOSEGSTK: define dso_local i32 @foo() #0 {
// CHECK-NOSEGSTK: define dso_local i32 @main() #0 {
// CHECK-NOSEGSTK-NOT: #0 = { {{.*}} "split-stack" {{.*}} }