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TheRock/compiler/amd-llvm/llvm/test/Transforms/InstCombine/constant-fold-shifts.ll
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2026-09-02 16:34:47 -07:00

39 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instcombine < %s | FileCheck %s
@A = external constant i32
; OSS-Fuzz #14169
; https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14169
define void @ossfuzz_14169_test1(ptr %a0) {
; CHECK-LABEL: @ossfuzz_14169_test1(
; CHECK-NEXT: bb:
; CHECK-NEXT: store ptr poison, ptr undef, align 8
; CHECK-NEXT: ret void
;
bb:
%B = ptrtoint ptr @A to i64
%C = icmp sge i64 %B, 0
%X = select i1 %C, i712 0, i712 1
%B9 = lshr i712 %X, 146783911423364576743092537299333564210980159306769991919205685720763064069663027716481187399048043939495936
%G5 = getelementptr i64, ptr undef, i712 %B9
store ptr %G5, ptr undef
ret void
}
define void @ossfuzz_14169_test2(ptr %a0) {
; CHECK-LABEL: @ossfuzz_14169_test2(
; CHECK-NEXT: bb:
; CHECK-NEXT: store ptr poison, ptr undef, align 8
; CHECK-NEXT: ret void
;
bb:
%B = ptrtoint ptr @A to i64
%C = icmp sge i64 %B, 0
%X = select i1 %C, i712 0, i712 1
%B9 = shl i712 %X, 146783911423364576743092537299333564210980159306769991919205685720763064069663027716481187399048043939495936
%G5 = getelementptr i64, ptr undef, i712 %B9
store ptr %G5, ptr undef
ret void
}