ret void
}
+; In this test we should be able to only hoist load from %cptr. We can't hoist
+; load from %c because it's dereferenceability can depend on %cmp1 condition.
+; By moving it out of the loop we break this dependency and can not rely
+; on the dereferenceability anymore.
+; In other words this test checks that we strip dereferenceability metadata
+; after hoisting an instruction.
+
+; CHECK-LABEL: @test10
+; CHECK: %c = load i32*, i32** %cptr
+; CHECK-NOT: dereferenceable
+; CHECK: if.then:
+; CHECK: load i32, i32* %c, align 4
+
+define void @test10(i32* noalias %a, i32* %b, i32** dereferenceable(8) %cptr, i32 %n) #0 {
+entry:
+ %cmp11 = icmp sgt i32 %n, 0
+ br i1 %cmp11, label %for.body, label %for.end
+
+for.body: ; preds = %entry, %for.inc
+ %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
+ %0 = load i32, i32* %arrayidx, align 4
+ %cmp1 = icmp sgt i32 %0, 0
+ br i1 %cmp1, label %if.then, label %for.inc
+
+if.then: ; preds = %for.body
+ %c = load i32*, i32** %cptr, !dereferenceable !0
+ %1 = load i32, i32* %c, align 4
+ %arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
+ %2 = load i32, i32* %arrayidx3, align 4
+ %mul = mul nsw i32 %2, %1
+ store i32 %mul, i32* %arrayidx, align 4
+ br label %for.inc
+
+for.inc: ; preds = %for.body, %if.then
+ %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+ %lftr.wideiv = trunc i64 %indvars.iv.next to i32
+ %exitcond = icmp eq i32 %lftr.wideiv, %n
+ br i1 %exitcond, label %for.end, label %for.body
+
+for.end: ; preds = %for.inc, %entry
+ ret void
+}
+
attributes #0 = { nounwind uwtable }
!0 = !{i64 4}