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-rw-r--r--test/CodeGen/Thumb2/thumb2-ifcvt3.ll32
1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-ifcvt3.ll b/test/CodeGen/Thumb2/thumb2-ifcvt3.ll
new file mode 100644
index 0000000..1d45d3c
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-ifcvt3.ll
@@ -0,0 +1,32 @@
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s
+
+; There shouldn't be a unconditional branch at end of bb52.
+; rdar://7184787
+
+@posed = external global i64 ; <i64*> [#uses=1]
+
+define i1 @ab_bb52(i64 %.reload78, i64* %.out, i64* %.out1) nounwind {
+newFuncRoot:
+ br label %bb52
+
+bb52.bb55_crit_edge.exitStub: ; preds = %bb52
+ store i64 %0, i64* %.out
+ store i64 %2, i64* %.out1
+ ret i1 true
+
+bb52.bb53_crit_edge.exitStub: ; preds = %bb52
+ store i64 %0, i64* %.out
+ store i64 %2, i64* %.out1
+ ret i1 false
+
+bb52: ; preds = %newFuncRoot
+; CHECK: movne
+; CHECK: moveq
+; CHECK: pop
+; CHECK-NEXT: LBB1_2:
+ %0 = load i64* @posed, align 4 ; <i64> [#uses=3]
+ %1 = sub i64 %0, %.reload78 ; <i64> [#uses=1]
+ %2 = ashr i64 %1, 1 ; <i64> [#uses=3]
+ %3 = icmp eq i64 %2, 0 ; <i1> [#uses=1]
+ br i1 %3, label %bb52.bb55_crit_edge.exitStub, label %bb52.bb53_crit_edge.exitStub
+}
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