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-rw-r--r--test/Transforms/InstCombine/getelementptr.ll13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/getelementptr.ll b/test/Transforms/InstCombine/getelementptr.ll
index 191a151b6b..c29a7dccb8 100644
--- a/test/Transforms/InstCombine/getelementptr.ll
+++ b/test/Transforms/InstCombine/getelementptr.ll
@@ -776,4 +776,17 @@ define i64 @test40() {
; CHECK-NEXT: ret i64 8
}
+define i16 @test41([3 x i32] addrspace(1)* %array) {
+ %gep = getelementptr inbounds [3 x i32] addrspace(1)* %array, i16 0, i16 2
+ %gepi8 = bitcast i32 addrspace(1)* %gep to i8 addrspace(1)*
+ %p = ptrtoint [3 x i32] addrspace(1)* %array to i16
+ %np = sub i16 0, %p
+ %gep2 = getelementptr i8 addrspace(1)* %gepi8, i16 %np
+ %ret = ptrtoint i8 addrspace(1)* %gep2 to i16
+ ret i16 %ret
+
+; CHECK-LABEL: @test41(
+; CHECK-NEXT: ret i16 8
+}
+
; CHECK: attributes [[NUW]] = { nounwind }