xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/safestack_ssp.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1; Test codegen pipeline for SafeStack + StackProtector combination.
2; RUN: llc -mtriple=i386-linux < %s -o - | FileCheck --check-prefix=LINUX-I386 %s
3; RUN: llc -mtriple=x86_64-linux < %s -o - | FileCheck --check-prefix=LINUX-X64 %s
4
5define void @_Z1fv() safestack sspreq {
6entry:
7  %x = alloca i32, align 4
8  %0 = bitcast i32* %x to i8*
9  call void @_Z7CapturePi(i32* nonnull %x)
10  ret void
11}
12
13declare void @_Z7CapturePi(i32*)
14
15; LINUX-X64-DAG: movq __safestack_unsafe_stack_ptr@GOTTPOFF(%rip), %[[A:.*]]
16; LINUX-X64-DAG: movq %fs:(%[[A]]), %[[B:.*]]
17; LINUX-X64-DAG: movq %fs:40, %[[COOKIE:.*]]
18; LINUX-X64-DAG: leaq -16(%[[B]]), %[[C:.*]]
19; LINUX-X64-DAG: movq %[[C]], %fs:(%[[A]])
20; LINUX-X64-DAG: movq %[[COOKIE]], -8(%[[B]])
21
22; LINUX-I386-DAG: movl __safestack_unsafe_stack_ptr@INDNTPOFF, %[[A:.*]]
23; LINUX-I386-DAG: movl %gs:(%[[A]]), %[[B:.*]]
24; LINUX-I386-DAG: movl %gs:20, %[[COOKIE:.*]]
25; LINUX-I386-DAG: leal -16(%[[B]]), %[[C:.*]]
26; LINUX-I386-DAG: movl %[[C]], %gs:(%[[A]])
27; LINUX-I386-DAG: movl %[[COOKIE]], -4(%[[B]])
28