1 files changed, 37 insertions, 0 deletions
diff --git a/test/Transforms/LICM/2011-04-06-PromoteResultOfPromotion.ll b/test/Transforms/LICM/2011-04-06-PromoteResultOfPromotion.ll
new file mode 100644
index 0000000..86c2679
--- /dev/null
+++ b/test/Transforms/LICM/2011-04-06-PromoteResultOfPromotion.ll
@@ -0,0 +1,37 @@
+; RUN: opt < %s -tbaa -licm -S | FileCheck %s
+; PR9634
+
+@g_58 = common global i32 0, align 4
+@g_116 = common global i32* null, align 8
+
+define void @f() nounwind {
+
+; CHECK: entry:
+; CHECK: alloca [9 x i16]
+; CHECK: load i32* @g_58
+; CHECK: br label %for.body
+
+entry:
+  %l_87.i = alloca [9 x i16], align 16
+  br label %for.body
+
+for.body:                                         ; preds = %entry, %for.inc
+  %inc12 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+  store i32* @g_58, i32** @g_116, align 8, !tbaa !0
+  %tmp2 = load i32** @g_116, align 8, !tbaa !0
+  %tmp3 = load i32* %tmp2, !tbaa !4
+  %or = or i32 %tmp3, 10
+  store i32 %or, i32* %tmp2, !tbaa !4
+  %inc = add nsw i32 %inc12, 1
+  %cmp = icmp slt i32 %inc, 4
+  br i1 %cmp, label %for.body, label %for.end
+
+for.end:                                          ; preds = %for.inc
+  ret void
+}
+
+!0 = metadata !{metadata !"any pointer", metadata !1}
+!1 = metadata !{metadata !"omnipotent char", metadata !2}
+!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
+!3 = metadata !{metadata !"short", metadata !1}
+!4 = metadata !{metadata !"int", metadata !1}