New test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36181 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LoopUnroll/2007-04-16-PhiUpdate.ll b/test/Transforms/LoopUnroll/2007-04-16-PhiUpdate.ll
new file mode 100644 (file)
index 0000000..d98b5cd
--- /dev/null
+++ b/test/Transforms/LoopUnroll/2007-04-16-PhiUpdate.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -loop-unroll -disable-output
+
+void @sal__math_float_manipulator_7__math__joint_array_dcv_ops__Omultiply__3([6 x float]* %agg.result) {
+entry:
+       %tmp282911 = zext i8 0 to i32           ; <i32> [#uses=1]
+       br label %cond_next
+
+cond_next:             ; preds = %cond_next, %entry
+       %indvar = phi i8 [ 0, %entry ], [ %indvar.next, %cond_next ]            ; <i8> [#uses=1]
+       %indvar.next = add i8 %indvar, 1                ; <i8> [#uses=2]
+       %exitcond = icmp eq i8 %indvar.next, 7          ; <i1> [#uses=1]
+       br i1 %exitcond, label %bb27, label %cond_next
+
+bb27:          ; preds = %cond_next
+       %tmp282911.lcssa = phi i32 [ %tmp282911, %cond_next ]           ; <i32> [#uses=0]
+       ret void
+}