1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --scrub-attributes 2; RUN: opt -S -passes=instcombine < %s | FileCheck %s 3 4define dso_local void @_Z3fooPv(ptr nocapture %0) local_unnamed_addr #0 { 5; CHECK-LABEL: @_Z3fooPv( 6; CHECK-NEXT: tail call void @free(ptr [[TMP0:%.*]]) 7; CHECK-NEXT: ret void 8; 9 %2 = tail call align 16 dereferenceable_or_null(6) ptr @realloc(ptr %0, i64 6) #3 10 tail call void @free(ptr %2) #3 11 ret void 12} 13 14declare dso_local noalias noundef ptr @realloc(ptr allocptr nocapture, i64 noundef) local_unnamed_addr #1 15declare dso_local void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2 16 17attributes #0 = { mustprogress nounwind uwtable willreturn } 18attributes #1 = { inaccessiblemem_or_argmemonly mustprogress nounwind willreturn allockind("realloc") } 19attributes #2 = { inaccessiblemem_or_argmemonly mustprogress nounwind willreturn allockind("free") } 20attributes #3 = { nounwind } 21