xref: /llvm-project/llvm/test/Transforms/InstCombine/realloc-free.ll (revision 4ab40eca080965c65802710e39adbb78c4ce7bde)
1b5fbbdd2SOwen Anderson; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --scrub-attributes
2acdc419cSBjorn Pettersson; RUN: opt -S -passes=instcombine < %s | FileCheck %s
3b5fbbdd2SOwen Anderson
4*4ab40ecaSBjorn Petterssondefine dso_local void @_Z3fooPv(ptr nocapture %0) local_unnamed_addr #0 {
5b5fbbdd2SOwen Anderson; CHECK-LABEL: @_Z3fooPv(
6*4ab40ecaSBjorn Pettersson; CHECK-NEXT:    tail call void @free(ptr [[TMP0:%.*]])
7b5fbbdd2SOwen Anderson; CHECK-NEXT:    ret void
8b5fbbdd2SOwen Anderson;
9*4ab40ecaSBjorn Pettersson  %2 = tail call align 16 dereferenceable_or_null(6) ptr @realloc(ptr %0, i64 6) #3
10*4ab40ecaSBjorn Pettersson  tail call void @free(ptr %2) #3
11b5fbbdd2SOwen Anderson  ret void
12b5fbbdd2SOwen Anderson}
13b5fbbdd2SOwen Anderson
14*4ab40ecaSBjorn Petterssondeclare dso_local noalias noundef ptr @realloc(ptr allocptr nocapture, i64 noundef) local_unnamed_addr #1
15*4ab40ecaSBjorn Petterssondeclare dso_local void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2
16b5fbbdd2SOwen Anderson
17b5fbbdd2SOwen Andersonattributes #0 = { mustprogress nounwind uwtable willreturn }
1812c0bf8bSAugie Facklerattributes #1 = { inaccessiblemem_or_argmemonly mustprogress nounwind willreturn allockind("realloc") }
1912c0bf8bSAugie Facklerattributes #2 = { inaccessiblemem_or_argmemonly mustprogress nounwind willreturn allockind("free") }
2012c0bf8bSAugie Facklerattributes #3 = { nounwind }
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