File: lifetime-landingpad.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
; RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s

define void @foo() personality ptr @__gxx_personality_v0 {
; CHECK-LABEL: @foo(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[A:%.*]] = alloca i8, align 1
; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 1, ptr nonnull [[A]]) #[[ATTR1:[0-9]+]]
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 1, ptr nonnull [[A]]) #[[ATTR1]]
; CHECK-NEXT:    ret void
;
entry:
  %a = alloca i8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %a) nounwind
  invoke void @bar() to label %invoke.cont unwind label %lpad

invoke.cont:
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %a) nounwind
  ret void

lpad:
  %b = landingpad { ptr, i32 }
  cleanup
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %a) nounwind
  resume { ptr, i32 } %b
}

declare void @bar()

declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) nounwind

declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) nounwind

declare i32 @__gxx_personality_v0(...)
;.
; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
; CHECK: attributes #[[ATTR1]] = { nounwind }
;.