Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/Transforms/LICM/2008-07-22-LoadGlobalConstant.ll

@@ -0,0 +1,39 @@
+; RUN: opt < %s -basicaa -licm -S | FileCheck %s
+
+@a = external constant float*
+
+define void @test(i32 %count) {
+entry:
+        br label %forcond
+
+; CHECK:  %tmp3 = load float*, float** @a
+; CHECK:  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
+
+; CHECK:  %i.0 = phi i32 [ 0, %entry ], [ %inc, %forbody ]
+; CHECK:  %cmp = icmp ult i32 %i.0, %count
+; CHECK:  br i1 %cmp, label %forbody, label %afterfor
+
+forbody:
+        %tmp3 = load float*, float** @a
+        %arrayidx = getelementptr float, 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
+
+; CHECK:  %arrayidx = getelementptr float, float* %tmp3, i32 %i.0
+; CHECK:  %tmp7 = uitofp i32 %i.0 to float
+; CHECK:  store float %tmp7, float* %arrayidx
+; CHECK:  %inc = add i32 %i.0, 1
+; CHECK:  br label %forcond
+
+afterfor:
+        ret void
+}
+
+; CHECK:  ret void