1; RUN: opt < %s -mtriple aarch64-linux-android29 -hwasan -S | FileCheck %s --check-prefixes=COMMON,LP,ARM
2; RUN: opt < %s -mtriple x86_64-linux -hwasan-instrument-landing-pads -hwasan -S | FileCheck %s --check-prefixes=COMMON,LP,X86
3; RUN: opt < %s -mtriple aarch64-linux-android30 -hwasan -S | FileCheck %s --check-prefixes=COMMON,NOLP
4
5target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
6target triple = "aarch64-unknown-linux-android"
7
8define i32 @f() local_unnamed_addr sanitize_hwaddress personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
9entry:
10  invoke void @g()
11          to label %return unwind label %lpad
12
13lpad:
14  ; COMMON:       landingpad { i8*, i32 }
15  ; COMMON-NEXT:    catch i8* null
16  %0 = landingpad { i8*, i32 }
17          catch i8* null
18
19  ; NOLP-NOT: call void @__hwasan_handle_vfork
20  ; LP-NEXT: %[[X:[^ ]*]] = call i64 @llvm.read_register.i64(metadata ![[META:[^ ]*]])
21  ; LP-NEXT: call void @__hwasan_handle_vfork(i64 %[[X]])
22
23  %1 = extractvalue { i8*, i32 } %0, 0
24  %2 = tail call i8* @__cxa_begin_catch(i8* %1)
25  tail call void @__cxa_end_catch()
26  br label %return
27return:
28  %retval.0 = phi i32 [ 1, %lpad ], [ 0, %entry ]
29  ret i32 %retval.0
30}
31
32declare void @g() local_unnamed_addr
33
34declare i32 @__gxx_personality_v0(...)
35declare i8* @__cxa_begin_catch(i8*) local_unnamed_addr
36declare void @__cxa_end_catch() local_unnamed_addr
37
38; ARM: ![[META]] = !{!"sp"}
39; X86: ![[META]] = !{!"rsp"}
40