Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/Other/cgscc-disconnected-invalidation.ll

@@ -1,54 +0,0 @@
-; Test that patterns of transformations which disconnect a region of the call
-; graph mid-traversal and then invalidate it function correctly.
-;
-; RUN: opt -S -passes='cgscc(inline,function(simplify-cfg))' < %s | FileCheck %s
-
-define internal void @test_scc_internal(i1 %flag) {
-; CHECK-NOT: @test_scc_internal
-entry:
-  br i1 %flag, label %then, label %else
-
-then:
-  call void @test_scc_internal(i1 false)
-  call void @test_scc_external()
-  br label %else
-
-else:
-  ret void
-}
-
-define void @test_scc_external() {
-; CHECK-LABEL: define void @test_scc_external()
-entry:
-  call void @test_scc_internal(i1 false)
-  ret void
-}
-
-define internal void @test_refscc_internal(i1 %flag, i8* %ptr) {
-; CHECK-NOT: @test_refscc_internal
-entry:
-  br i1 %flag, label %then, label %else
-
-then:
-  call void @test_refscc_internal(i1 false, i8* bitcast (i8* ()* @test_refscc_external to i8*))
-  br label %else
-
-else:
-  ret void
-}
-
-define i8* @test_refscc_external() {
-; CHECK-LABEL: define i8* @test_refscc_external()
-entry:
-  br i1 true, label %then, label %else
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    ret i8* null
-; CHECK-NEXT:  }
-; CHECK-NOT: @test_refscc_internal
-
-then:
-  ret i8* null
-
-else:
-  ret i8* bitcast (void (i1, i8*)* @test_refscc_internal to i8*)
-}