1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -passes=gvn -S %s | FileCheck %s
4 ; Reduced test case from
5 ; https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24278
7 ; Make sure we do not crash when dealing with a vector constant expression.
8 define <4 x ptr> @test(ptr %ptr) {
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]]
16 %B9 = sdiv i16 -32768, 256
17 %L3 = load i64, ptr %ptr, align 4
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