1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -instcombine -S | FileCheck %s
4 ; OSS-Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5223
5 define void @test_bigalloc() {
6 ; CHECK-LABEL: @test_bigalloc(
7 ; CHECK-NEXT: [[TMP1:%.*]] = alloca [18446744069414584320 x i8], align 1
8 ; CHECK-NEXT: [[DOTSUB:%.*]] = getelementptr inbounds [18446744069414584320 x i8], [18446744069414584320 x i8]* [[TMP1]], i64 0, i64 0
9 ; CHECK-NEXT: store i8* [[DOTSUB]], i8** undef, align 8
10 ; CHECK-NEXT: ret void
12 %1 = alloca i8, i864 -4294967296
13 %2 = getelementptr i8, i8* %1, i1 undef
14 store i8* %2, i8** undef