Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/Transforms/SimplifyCFG/lifetime.ll

@@ -1,29 +0,0 @@
-; RUN: opt < %s -simplifycfg -S | FileCheck %s
-
-; Test that a lifetime intrinsic isn't removed because that would change semantics
-
-; CHECK: foo
-; CHECK: entry:
-; CHECK: bb0:
-; CHECK: bb1:
-; CHECK: ret
-define void @foo(i1 %x) {
-entry:
-  %a = alloca i8
-  call void @llvm.lifetime.start.p0i8(i64 -1, i8* %a) nounwind
-  br i1 %x, label %bb0, label %bb1
-
-bb0:
-  call void @llvm.lifetime.end.p0i8(i64 -1, i8* %a) nounwind
-  br label %bb1
-
-bb1:
-  call void @f()
-  ret void
-}
-
-declare void @f()
-
-declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) nounwind
-
-declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) nounwind