xref: /llvm-project/llvm/test/CodeGen/ARM/win32-ssp.ll (revision bed1c7f061aa12417aa081e334afdba45767b938)
1; RUN: llc -mtriple=thumbv7-w64-mingw32 < %s -o - | FileCheck --check-prefix=MINGW %s
2
3declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
4declare dso_local void @other(ptr)
5declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
6
7define dso_local void @func() sspstrong {
8entry:
9; MINGW-LABEL: func:
10; MINGW: movw [[REG:r[0-9]+]], :lower16:.refptr.__stack_chk_guard
11; MINGW: movt [[REG]], :upper16:.refptr.__stack_chk_guard
12; MINGW: ldr [[REG2:r[0-9]+]], [[[REG]]]
13; MINGW: ldr {{r[0-9]+}}, [[[REG2]]]
14; MINGW: bl other
15; MINGW: movw [[REG3:r[0-9]+]], :lower16:.refptr.__stack_chk_guard
16; MINGW: movt [[REG3]], :upper16:.refptr.__stack_chk_guard
17; MINGW: ldr [[REG4:r[0-9]+]], [[[REG3]]]
18; MINGW: ldr {{r[0-9]+}}, [[[REG4]]]
19; MINGW: bl __stack_chk_fail
20
21  %c = alloca i8, align 1
22  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %c)
23  call void @other(ptr nonnull %c)
24  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %c)
25  ret void
26}
27