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