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-rw-r--r--test/Transforms/CodeExtractor/BlockAddressSelfReference.ll50
1 files changed, 50 insertions, 0 deletions
diff --git a/test/Transforms/CodeExtractor/BlockAddressSelfReference.ll b/test/Transforms/CodeExtractor/BlockAddressSelfReference.ll
new file mode 100644
index 000000000000..7d5a827a358a
--- /dev/null
+++ b/test/Transforms/CodeExtractor/BlockAddressSelfReference.ll
@@ -0,0 +1,50 @@
+; RUN: opt < %s -loop-extract -S | FileCheck %s
+
+@choum.addr = internal unnamed_addr constant [3 x i8*] [i8* blockaddress(@choum, %bb10), i8* blockaddress(@choum, %bb14), i8* blockaddress(@choum, %bb18)]
+
+; CHECK: define
+; no outlined function
+; CHECK-NOT: define
+
+define void @choum(i32 %arg, i32* nocapture %arg1, i32 %arg2) {
+bb:
+ %tmp = icmp sgt i32 %arg, 0
+ br i1 %tmp, label %bb3, label %bb24
+
+bb3: ; preds = %bb
+ %tmp4 = sext i32 %arg2 to i64
+ %tmp5 = getelementptr inbounds [3 x i8*], [3 x i8*]* @choum.addr, i64 0, i64 %tmp4
+ %tmp6 = load i8*, i8** %tmp5
+ %tmp7 = zext i32 %arg to i64
+ br label %bb8
+
+bb8: ; preds = %bb18, %bb3
+ %tmp9 = phi i64 [ 0, %bb3 ], [ %tmp22, %bb18 ]
+ indirectbr i8* %tmp6, [label %bb10, label %bb14, label %bb18]
+
+bb10: ; preds = %bb8
+ %tmp11 = getelementptr inbounds i32, i32* %arg1, i64 %tmp9
+ %tmp12 = load i32, i32* %tmp11
+ %tmp13 = add nsw i32 %tmp12, 1
+ store i32 %tmp13, i32* %tmp11
+ br label %bb14
+
+bb14: ; preds = %bb10, %bb8
+ %tmp15 = getelementptr inbounds i32, i32* %arg1, i64 %tmp9
+ %tmp16 = load i32, i32* %tmp15
+ %tmp17 = shl nsw i32 %tmp16, 1
+ store i32 %tmp17, i32* %tmp15
+ br label %bb18
+
+bb18: ; preds = %bb14, %bb8
+ %tmp19 = getelementptr inbounds i32, i32* %arg1, i64 %tmp9
+ %tmp20 = load i32, i32* %tmp19
+ %tmp21 = add nsw i32 %tmp20, -3
+ store i32 %tmp21, i32* %tmp19
+ %tmp22 = add nuw nsw i64 %tmp9, 1
+ %tmp23 = icmp eq i64 %tmp22, %tmp7
+ br i1 %tmp23, label %bb24, label %bb8
+
+bb24: ; preds = %bb18, %bb
+ ret void
+}