1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=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 ptr> @test(ptr %ptr) { 9; CHECK-LABEL: @test( 10; CHECK-NEXT: entry: 11; CHECK-NEXT: [[L3:%.*]] = load i64, ptr [[PTR:%.*]], align 4 12; CHECK-NEXT: [[I6:%.*]] = insertelement <4 x ptr> getelementptr inbounds (i64, ptr null, <4 x i64> <i64 0, i64 0, i64 0, i64 -128>), ptr undef, i64 [[L3]] 13; CHECK-NEXT: ret <4 x ptr> [[I6]] 14; 15entry: 16 %B9 = sdiv i16 -32768, 256 17 %L3 = load i64, ptr %ptr, align 4 18 %B3 = sub i16 0, %B9 19 %0 = insertelement <4 x i16> undef, i16 %B3, i32 3 20 %1 = sub <4 x i16> zeroinitializer, %0 21 %2 = sext <4 x i16> %1 to <4 x i32> 22 %3 = getelementptr inbounds i64, ptr null, <4 x i32> %2 23 %I6 = insertelement <4 x ptr> %3, ptr undef, i64 %L3 24 ret <4 x ptr> %I6 25} 26