• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: llc -mtriple=i386-linux < %s -o - | FileCheck --check-prefix=LINUX-I386 %s
2; RUN: llc -mtriple=x86_64-linux < %s -o - | FileCheck --check-prefix=LINUX-X64 %s
3; RUN: llc -mtriple=i386-linux-android < %s -o - | FileCheck --check-prefix=ANDROID-I386 %s
4; RUN: llc -mtriple=x86_64-linux-android < %s -o - | FileCheck --check-prefix=ANDROID-X64 %s
5; RUN: llc -mtriple=x86_64-fuchsia < %s -o - | FileCheck --check-prefix=FUCHSIA-X64 %s
6
7; RUN: llc -mtriple=i386-linux -safestack-use-pointer-address < %s -o - | FileCheck --check-prefix=LINUX-I386-PA %s
8
9define void @_Z1fv() safestack {
10entry:
11  %x = alloca i32, align 4
12  %0 = bitcast i32* %x to i8*
13  call void @_Z7CapturePi(i32* nonnull %x)
14  ret void
15}
16
17declare void @_Z7CapturePi(i32*)
18
19; LINUX-X64: movq __safestack_unsafe_stack_ptr@GOTTPOFF(%rip), %[[A:.*]]
20; LINUX-X64: movq %fs:(%[[A]]), %[[B:.*]]
21; LINUX-X64: leaq -16(%[[B]]), %[[C:.*]]
22; LINUX-X64: movq %[[C]], %fs:(%[[A]])
23
24; LINUX-I386: movl __safestack_unsafe_stack_ptr@INDNTPOFF, %[[A:.*]]
25; LINUX-I386: movl %gs:(%[[A]]), %[[B:.*]]
26; LINUX-I386: leal -16(%[[B]]), %[[C:.*]]
27; LINUX-I386: movl %[[C]], %gs:(%[[A]])
28
29; ANDROID-I386: movl %gs:36, %[[A:.*]]
30; ANDROID-I386: leal -16(%[[A]]), %[[B:.*]]
31; ANDROID-I386: movl %[[B]], %gs:36
32
33; ANDROID-X64: movq %fs:72, %[[A:.*]]
34; ANDROID-X64: leaq -16(%[[A]]), %[[B:.*]]
35; ANDROID-X64: movq %[[B]], %fs:72
36
37; FUCHSIA-X64: movq %fs:24, %[[A:.*]]
38; FUCHSIA-X64: leaq -16(%[[A]]), %[[B:.*]]
39; FUCHSIA-X64: movq %[[B]], %fs:24
40
41; LINUX-I386-PA: calll __safestack_pointer_address
42; LINUX-I386-PA: movl %eax, %[[A:.*]]
43; LINUX-I386-PA: movl (%eax), %[[B:.*]]
44; LINUX-I386-PA: leal -16(%[[B]]), %[[C:.*]]
45; LINUX-I386-PA: movl %[[C]], (%[[A]])
46