1 files changed, 94 insertions, 0 deletions
diff --git a/test/Transforms/CodeExtractor/live_shrink_unsafe.ll b/test/Transforms/CodeExtractor/live_shrink_unsafe.ll
new file mode 100644
index 000000000000..ea6458cc46ec
--- /dev/null
+++ b/test/Transforms/CodeExtractor/live_shrink_unsafe.ll
@@ -0,0 +1,94 @@
+; The expected behavior of this file is expected to change when partial
+; inlining legality check is enhanced.
+
+; RUN: opt -S -partial-inliner -skip-partial-inlining-cost-analysis  < %s   | FileCheck %s
+; RUN: opt -S -passes=partial-inliner -skip-partial-inlining-cost-analysis < %s |   FileCheck %s
+
+%class.A = type { i32 }
+
+@cond = local_unnamed_addr global i32 0, align 4
+@condptr = external local_unnamed_addr global i32*, align 8
+
+; Function Attrs: uwtable
+define void @_Z3foo_unknown_mem_accessv() local_unnamed_addr  {
+bb:
+  %tmp = alloca %class.A, align 4
+  %tmp1 = alloca %class.A, align 4
+  %tmp2 = bitcast %class.A* %tmp to i8*
+  call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %tmp2) 
+  %tmp3 = bitcast %class.A* %tmp1 to i8*
+  call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %tmp3) 
+  %tmp4 = load i32*, i32** @condptr, align 8, !tbaa !2
+  %tmp5 = load i32, i32* %tmp4, align 4, !tbaa !6
+  %tmp6 = icmp eq i32 %tmp5, 0
+  br i1 %tmp6, label %bb7, label %bb8
+
+bb7:                                              ; preds = %bb
+  call void @_ZN1A7memfuncEv(%class.A* nonnull %tmp)
+  br label %bb8
+
+bb8:                                              ; preds = %bb7, %bb
+  call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp3) 
+  call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp2) 
+  ret void
+}
+
+declare void @_Z3barv() local_unnamed_addr
+declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) 
+declare void @_ZN1A7memfuncEv(%class.A*) local_unnamed_addr 
+declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) 
+
+define void @_Z3foo_unknown_calli(i32 %arg) local_unnamed_addr {
+bb:
+  %tmp = alloca %class.A, align 4
+  %tmp1 = bitcast %class.A* %tmp to i8*
+  call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %tmp1) 
+  tail call void @_Z3barv()
+  %tmp2 = icmp eq i32 %arg, 0
+  br i1 %tmp2, label %bb3, label %bb4
+
+bb3:                                              ; preds = %bb
+  call void @_ZN1A7memfuncEv(%class.A* nonnull %tmp)
+  br label %bb4
+
+bb4:                                              ; preds = %bb3, %bb
+  call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp1) 
+  ret void
+}
+
+define void @_Z3goov() local_unnamed_addr  {
+; CHECK-LABEL: @_Z3goov
+; CHECK-NEXT: bb:
+; CHECK: alloca
+; CHECK: lifetime
+bb:
+  call void @_Z3foo_unknown_mem_accessv()
+  %tmp = load i32, i32* @cond, align 4, !tbaa !2
+  tail call void @_Z3foo_unknown_calli(i32 %tmp)
+  ret void
+}
+
+; CHECK-LABEL define internal void @_Z3foo_unknown_calli.1_bb3
+; CHECK: newFuncRoot:
+; CHECK-NEXT: br label %bb3
+
+; CHECK: bb4.exitStub:
+; CHECK-NEXT: ret void
+
+; CHECK: bb3:
+; CHECK-NOT: lifetime.ed
+; CHECK: br label %bb4.exitStub
+
+
+
+!llvm.module.flags = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{!"clang version 5.0.0 (trunk 304489)"}
+!2 = !{!3, !3, i64 0}
+!3 = !{!"any pointer", !4, i64 0}
+!4 = !{!"omnipotent char", !5, i64 0}
+!5 = !{!"Simple C++ TBAA"}
+!6 = !{!7, !7, i64 0}
+!7 = !{!"int", !4, i64 0}