2 files changed, 51 insertions, 0 deletions
diff --git a/test/Transforms/JumpThreading/branch-no-const.ll b/test/Transforms/JumpThreading/branch-no-const.ll
new file mode 100644
index 0000000000000..0ea2431ca0999
--- /dev/null
+++ b/test/Transforms/JumpThreading/branch-no-const.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | opt -jump-threading | llvm-dis | not grep phi
+
+declare i8 @mcguffin()
+
+define i32 @test(i1 %foo, i8 %b) {
+entry:
+  %a = call i8 @mcguffin()
+  br i1 %foo, label %bb1, label %bb2
+bb1:
+  br label %jt
+bb2:
+  br label %jt
+jt:
+  %x = phi i8 [%a, %bb1], [%b, %bb2]
+  %A = icmp eq i8 %x, %a
+  br i1 %A, label %rt, label %rf
+rt:
+  ret i32 7
+rf:
+  ret i32 8
+}
diff --git a/test/Transforms/JumpThreading/dup-cond.ll b/test/Transforms/JumpThreading/dup-cond.ll
new file mode 100644
index 0000000000000..e20d939316a6a
--- /dev/null
+++ b/test/Transforms/JumpThreading/dup-cond.ll
@@ -0,0 +1,30 @@
+; RUN: llvm-as < %s | opt -jump-threading -die | llvm-dis | grep icmp | count 1
+
+declare void @f1()
+declare void @f2()
+declare void @f3()
+
+define i32 @test(i32 %A) {
+	%tmp455 = icmp eq i32 %A, 42
+	br i1 %tmp455, label %BB1, label %BB2
+        
+BB2:
+	call void @f1()
+	br label %BB1
+        
+
+BB1:
+	%tmp459 = icmp eq i32 %A, 42
+	br i1 %tmp459, label %BB3, label %BB4
+
+BB3:
+	call void @f2()
+        ret i32 3
+
+BB4:
+	call void @f3()
+	ret i32 4
+}
+
+
+