1 files changed, 70 insertions, 0 deletions
diff --git a/llvm/test/Transforms/CodeExtractor/PartialInlineAlloca4.ll b/llvm/test/Transforms/CodeExtractor/PartialInlineAlloca4.ll
new file mode 100644
index 00000000000..5112135b166
--- /dev/null
+++ b/llvm/test/Transforms/CodeExtractor/PartialInlineAlloca4.ll
@@ -0,0 +1,70 @@
+; 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.base" = type { %"struct.base"* }
+%"struct.base" = type opaque
+
+@g = external local_unnamed_addr global i32, align 4
+
+; CHECK-LABEL: define{{.*}}@caller(
+; CHECK: call void @llvm.lifetime.start.p0i8(i64 -1, i8* %tmp.i)
+; CHECK-NEXT: call void @callee_unknown_use1.{{.*}}(i8* %tmp.i
+
+define i32 @callee_unknown_use1(i32 %arg) local_unnamed_addr #0 {
+; CHECK-LABEL:define{{.*}}@callee_unknown_use1.{{[0-9]}}
+; CHECK-NOT: alloca
+bb:
+  %tmp = alloca  i8, align 4
+  %tmp2 = load i32, i32* @g, align 4, !tbaa !2
+  %tmp3 = add nsw i32 %tmp2, 1
+  %tmp4 = icmp slt i32 %arg, 0
+  br i1 %tmp4, label %bb6, label %bb5
+
+bb5:                                              ; preds = %bb
+  call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %tmp) #2
+  store i32 %tmp3, i32* @g, align 4, !tbaa !2
+  %tmp11 = bitcast i8* %tmp to i32*
+  call void @bar(i32* nonnull %tmp11) #2
+  call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp) #2
+  br label %bb6
+
+bb6:                                              ; preds = %bb5, %bb
+  %tmp7 = phi i32 [ 1, %bb5 ], [ 0, %bb ]
+  %tmp1 = bitcast i8* %tmp to i32*
+  ret i32 %tmp7
+}
+
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
+
+declare void @bar(i32*) local_unnamed_addr #2
+declare void @bar2(i32*, i32*) local_unnamed_addr #1
+
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
+
+; Function Attrs: nounwind uwtable
+define i32 @caller(i32 %arg) local_unnamed_addr #0 {
+bb:
+  %tmp = tail call i32 @callee_unknown_use1(i32 %arg)
+  ret i32 %tmp
+}
+
+attributes #0 = { nounwind uwtable}
+attributes #1 = { argmemonly nounwind }
+attributes #2 = { nounwind }
+
+!llvm.module.flags = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{!"clang version 5.0.0 (trunk 303574)"}
+!2 = !{!3, !3, i64 0}
+!3 = !{!"int", !4, i64 0}
+!4 = !{!"omnipotent char", !5, i64 0}
+!5 = !{!"Simple C/C++ TBAA"}
+
+
+