diff --git a/gcc/ipa-sra.cc b/gcc/ipa-sra.cc index 3fee8fb22ce..21d281a9756 100644 --- a/gcc/ipa-sra.cc +++ b/gcc/ipa-sra.cc @@ -3074,6 +3074,8 @@ struct caller_issues cgraph_node *candidate; /* There is a thunk among callers. */ bool thunk; + /* Set if there is at least one caller that is OK. */ + bool there_is_one; /* Call site with no available information. */ bool unknown_callsite; /* Call from outside the candidate's comdat group. */ @@ -3116,6 +3118,8 @@ check_for_caller_issues (struct cgraph_node *node, void *data) if (csum->m_bit_aligned_arg) issues->bit_aligned_aggregate_argument = true; + + issues->there_is_one = true; } return false; } @@ -3170,6 +3174,13 @@ check_all_callers_for_issues (cgraph_node *node) for (unsigned i = 0; i < param_count; i++) (*ifs->m_parameters)[i].split_candidate = false; } + if (!issues.there_is_one) + { + if (dump_file && (dump_flags & TDF_DETAILS)) + fprintf (dump_file, "There is no call to %s that we can modify. " + "Disabling all modifications.\n", node->dump_name ()); + return true; + } return false; } diff --git a/gcc/testsuite/gcc.dg/ipa/pr110276.c b/gcc/testsuite/gcc.dg/ipa/pr110276.c new file mode 100644 index 00000000000..5a1e2f3fb1c --- /dev/null +++ b/gcc/testsuite/gcc.dg/ipa/pr110276.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +typedef long (*EFI_PCI_IO_PROTOCOL_CONFIG)(); +typedef struct { + EFI_PCI_IO_PROTOCOL_CONFIG Read; +} EFI_PCI_IO_PROTOCOL_CONFIG_ACCESS; +typedef struct { + EFI_PCI_IO_PROTOCOL_CONFIG_ACCESS Pci; +} EFI_PCI_IO_PROTOCOL; +int init_regs_0; +static void __attribute__((constructor)) init(EFI_PCI_IO_PROTOCOL *pci_io) { + if (init_regs_0) + pci_io->Pci.Read(); +}