1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/LICM/2008-07-22-LoadGlobalConstant.ll b/test/Transforms/LICM/2008-07-22-LoadGlobalConstant.ll
new file mode 100644
index 000000000000..3824d5359772
--- /dev/null
+++ b/test/Transforms/LICM/2008-07-22-LoadGlobalConstant.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | opt -licm -enable-licm-constant-variables | llvm-dis | grep -A 1 entry | grep load.*@a
+@a = external constant float*
+
+define void @test(i32 %count) {
+entry:
+        br label %forcond
+
+forcond:
+        %i.0 = phi i32 [ 0, %entry ], [ %inc, %forbody ]
+        %cmp = icmp ult i32 %i.0, %count
+        br i1 %cmp, label %forbody, label %afterfor
+
+forbody:
+        %tmp3 = load float** @a
+        %arrayidx = getelementptr float* %tmp3, i32 %i.0
+        %tmp7 = uitofp i32 %i.0 to float
+        store float %tmp7, float* %arrayidx
+        %inc = add i32 %i.0, 1
+        br label %forcond
+
+afterfor:
+        ret void
+}