1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -S -instcombine < %s | FileCheck %s
4 @A = external constant i32
7 ; https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14169
8 define void @ossfuzz_14169_test1(i32* %a0) {
9 ; CHECK-LABEL: @ossfuzz_14169_test1(
11 ; CHECK-NEXT: ret void
14 %B = ptrtoint i32* @A to i64
15 %C = icmp sge i64 %B, 0
16 %X = select i1 %C, i712 0, i712 1
17 %B9 = lshr i712 %X, 146783911423364576743092537299333564210980159306769991919205685720763064069663027716481187399048043939495936
18 %G5 = getelementptr i64, i64* undef, i712 %B9
19 store i64* %G5, i64** undef
23 define void @ossfuzz_14169_test2(i32* %a0) {
24 ; CHECK-LABEL: @ossfuzz_14169_test2(
26 ; CHECK-NEXT: ret void
29 %B = ptrtoint i32* @A to i64
30 %C = icmp sge i64 %B, 0
31 %X = select i1 %C, i712 0, i712 1
32 %B9 = shl i712 %X, 146783911423364576743092537299333564210980159306769991919205685720763064069663027716481187399048043939495936
33 %G5 = getelementptr i64, i64* undef, i712 %B9
34 store i64* %G5, i64** undef