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; Test allocas with multiple lifetime ends, as frequently seen for exception
; handling.
;
; RUN: opt -passes=hwasan -hwasan-use-after-scope -S -o - %s | FileCheck %s --check-prefix=CHECK
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--linux-android"
declare void @mayFail(ptr %x) sanitize_hwaddress
declare void @onExcept(ptr %x) sanitize_hwaddress
declare void @llvm.lifetime.start.p0(i64, ptr nocapture) nounwind
declare void @llvm.lifetime.end.p0(i64, ptr nocapture) nounwind
declare i32 @__gxx_personality_v0(...)
define void @test() sanitize_hwaddress personality ptr @__gxx_personality_v0 {
entry:
%x = alloca i32, align 8
%exn.slot = alloca ptr, align 8
%ehselector.slot = alloca i32, align 4
call void @llvm.lifetime.start.p0(i64 8, ptr %x)
invoke void @mayFail(ptr %x) to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
; CHECK: invoke.cont:
; CHECK: call void @llvm.memset.p0.i64(ptr align 1 %{{.*}}, i8 0, i64 1, i1 false)
; CHECK: call void @llvm.lifetime.end.p0(i64 16, ptr {{.*}}{{.*}}%x)
; CHECK: ret void
call void @llvm.lifetime.end.p0(i64 8, ptr %x)
ret void
lpad: ; preds = %entry
; CHECK: lpad
; CHECK: call void @llvm.memset.p0.i64(ptr align 1 %{{.*}}, i8 0, i64 1, i1 false)
; CHECK: call void @llvm.lifetime.end.p0(i64 16, ptr {{.*}}{{.*}}%x)
; CHECK: br label %eh.resume
%0 = landingpad { ptr, i32 }
cleanup
%1 = extractvalue { ptr, i32 } %0, 0
store ptr %1, ptr %exn.slot, align 8
%2 = extractvalue { ptr, i32 } %0, 1
store i32 %2, ptr %ehselector.slot, align 4
call void @onExcept(ptr %x) #18
call void @llvm.lifetime.end.p0(i64 8, ptr %x)
br label %eh.resume
eh.resume: ; preds = %lpad
%exn = load ptr, ptr %exn.slot, align 8
%sel = load i32, ptr %ehselector.slot, align 4
%lpad.val = insertvalue { ptr, i32 } undef, ptr %exn, 0
%lpad.val1 = insertvalue { ptr, i32 } %lpad.val, i32 %sel, 1
resume { ptr, i32 } %lpad.val1
}
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