1 ; RUN: llc --frame-pointer=all -mtriple=aarch64-- < %s | FileCheck %s
3 ; PR25610: -fstack-protector places the canary in the wrong place on arm64 with
6 %struct.__va_list = type { i8*, i8*, i8*, i32, i32 }
9 ; CHECK: ldr [[GUARD:x[0-9]+]]{{.*}}:lo12:__stack_chk_guard]
10 ; Make sure the canary is placed relative to the frame pointer, not
12 ; CHECK: stur [[GUARD]], [x29, #-8]
13 define void @test(i8* %i, ...) #0 {
15 %buf = alloca [10 x i8], align 1
16 %ap = alloca %struct.__va_list, align 8
17 %tmp = alloca %struct.__va_list, align 8
18 %0 = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0
19 call void @llvm.lifetime.start(i64 10, i8* %0)
20 %1 = bitcast %struct.__va_list* %ap to i8*
21 call void @llvm.lifetime.start(i64 32, i8* %1)
22 call void @llvm.va_start(i8* %1)
23 %2 = bitcast %struct.__va_list* %tmp to i8*
24 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %2, i8* %1, i64 32, i32 8, i1 false)
25 call void @baz(i8* %i, %struct.__va_list* nonnull %tmp)
26 call void @bar(i8* %0)
27 call void @llvm.va_end(i8* %1)
28 call void @llvm.lifetime.end(i64 32, i8* %1)
29 call void @llvm.lifetime.end(i64 10, i8* %0)
33 declare void @llvm.lifetime.start(i64, i8* nocapture)
34 declare void @llvm.va_start(i8*)
35 declare void @baz(i8*, %struct.__va_list*)
36 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1)
37 declare void @bar(i8*)
38 declare void @llvm.va_end(i8*)
39 declare void @llvm.lifetime.end(i64, i8* nocapture)
41 attributes #0 = { noinline nounwind optnone ssp }