landingpad.ll
1.42 KB
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; RUN: opt < %s -mtriple aarch64-linux-android29 -hwasan -S | FileCheck %s --check-prefixes=COMMON,LP,ARM
; RUN: opt < %s -mtriple x86_64-linux -hwasan-instrument-landing-pads -hwasan -S | FileCheck %s --check-prefixes=COMMON,LP,X86
; RUN: opt < %s -mtriple aarch64-linux-android30 -hwasan -S | FileCheck %s --check-prefixes=COMMON,NOLP
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-unknown-linux-android"
define i32 @f() local_unnamed_addr sanitize_hwaddress personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
entry:
invoke void @g()
to label %return unwind label %lpad
lpad:
; COMMON: landingpad { i8*, i32 }
; COMMON-NEXT: catch i8* null
%0 = landingpad { i8*, i32 }
catch i8* null
; NOLP-NOT: call void @__hwasan_handle_vfork
; LP-NEXT: %[[X:[^ ]*]] = call i64 @llvm.read_register.i64(metadata ![[META:[^ ]*]])
; LP-NEXT: call void @__hwasan_handle_vfork(i64 %[[X]])
%1 = extractvalue { i8*, i32 } %0, 0
%2 = tail call i8* @__cxa_begin_catch(i8* %1)
tail call void @__cxa_end_catch()
br label %return
return:
%retval.0 = phi i32 [ 1, %lpad ], [ 0, %entry ]
ret i32 %retval.0
}
declare void @g() local_unnamed_addr
declare i32 @__gxx_personality_v0(...)
declare i8* @__cxa_begin_catch(i8*) local_unnamed_addr
declare void @__cxa_end_catch() local_unnamed_addr
; ARM: ![[META]] = !{!"sp"}
; X86: ![[META]] = !{!"rsp"}