1 files changed, 40 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/uglygep.ll b/test/Transforms/IndVarSimplify/uglygep.ll
new file mode 100644
index 000000000000..0014b683db4b
--- /dev/null
+++ b/test/Transforms/IndVarSimplify/uglygep.ll
@@ -0,0 +1,40 @@
+; RUN: opt -indvars -S < %s | not grep uglygep
+; rdar://8197217
+
+; Indvars should be able to emit a clean GEP here, not an uglygep.
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+target triple = "x86_64-apple-darwin11.0"
+
+@numf2s = external global i32                     ; <i32*> [#uses=1]
+@numf1s = external global i32                     ; <i32*> [#uses=1]
+@tds = external global double**                   ; <double***> [#uses=1]
+
+define void @init_td(i32 %tmp7) nounwind {
+entry:
+  br label %bb4
+
+bb4:                                              ; preds = %bb3, %entry
+  %i.0 = phi i32 [ 0, %entry ], [ %tmp9, %bb3 ]   ; <i32> [#uses=3]
+  br label %bb
+
+bb:                                               ; preds = %bb4
+  br label %bb2
+
+bb2:                                              ; preds = %bb1, %bb
+  %j.0 = phi i32 [ 0, %bb ], [ %tmp6, %bb1 ]      ; <i32> [#uses=3]
+  %tmp8 = icmp slt i32 %j.0, %tmp7                ; <i1> [#uses=1]
+  br i1 %tmp8, label %bb1, label %bb3
+
+bb1:                                              ; preds = %bb2
+  %tmp = load double*** @tds, align 8             ; <double**> [#uses=1]
+  %tmp1 = sext i32 %i.0 to i64                    ; <i64> [#uses=1]
+  %tmp2 = getelementptr inbounds double** %tmp, i64 %tmp1 ; <double**> [#uses=1]
+  %tmp3 = load double** %tmp2, align 1            ; <double*> [#uses=1]
+  %tmp6 = add nsw i32 %j.0, 1                     ; <i32> [#uses=1]
+  br label %bb2
+
+bb3:                                              ; preds = %bb2
+  %tmp9 = add nsw i32 %i.0, 1                     ; <i32> [#uses=1]
+  br label %bb4
+}