1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -gvn -S %s | FileCheck %s
3
4; Reduced test case from
5; https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24278
6
7; Make sure we do not crash when dealing with a vector constant expression.
8define <4 x i64*> @test(i64* %ptr) {
9; CHECK-LABEL: @test(
10; CHECK-NEXT:  entry:
11; CHECK-NEXT:    ret <4 x i64*> getelementptr (i64, i64* null, <4 x i64> <i64 0, i64 0, i64 0, i64 -128>)
12;
13entry:
14  %B9 = sdiv i16 -32768, 256
15  %L3 = load i64, i64* %ptr, align 4
16  %B3 = sub i16 0, %B9
17  %0 = insertelement <4 x i16> undef, i16 %B3, i32 3
18  %1 = sub <4 x i16> zeroinitializer, %0
19  %2 = sext <4 x i16> %1 to <4 x i32>
20  %3 = getelementptr inbounds i64, i64* null, <4 x i32> %2
21  %I6 = insertelement <4 x i64*> %3, i64* undef, i64 %L3
22  ret <4 x i64*> %I6
23}
24