| // Test that diagnostic mappings are emitted only when needed and in order of |
| // diagnostic ID rather than non-deterministically. This test passes 3 |
| // -W options and expects exactly 3 mappings to be emitted in the pcm. The -W |
| // options are chosen to be far apart in ID (see DiagnosticIDs.h) so we can |
| // check they are ordered. We also intentionally trigger several other warnings |
| // inside the module and ensure they do not show up in the pcm as mappings. |
| |
| // RUN: rm -rf %t |
| // RUN: split-file %s %t |
| |
| // RUN: %clang_cc1 -fmodules -fimplicit-module-maps \ |
| // RUN: -fmodules-cache-path=%t/cache -triple x86_64-apple-macosx10.11.0 \ |
| // RUN: %t/main.m -fdisable-module-hash \ |
| // RUN: -Werror=stack-protector -Werror=empty-translation-unit -Werror=float-equal |
| |
| // RUN: mv %t/cache/A.pcm %t/A1.pcm |
| |
| // RUN: llvm-bcanalyzer --dump --disable-histogram %t/A1.pcm | FileCheck %s |
| |
| // CHECK: <DIAG_PRAGMA_MAPPINGS |
| |
| // == Initial mappings |
| // Number of mappings = 3 |
| // CHECK-SAME: op2=3 |
| // Common diag id is < 1000 (see DiagnosticIDs.h) |
| // CHECK-SAME: op3=[[STACK_PROT:[0-9][0-9]?[0-9]?]] op4= |
| // Parse diag id is somewhere in 1000..2999, leaving room for changes |
| // CHECK-SAME: op5=[[EMPTY_TU:[12][0-9][0-9][0-9]]] op6= |
| // Sema diag id is > 2000 |
| // CHECK-SAME: op7=[[FLOAT_EQ:[2-9][0-9][0-9][0-9]]] op8= |
| |
| // == Pragmas: |
| // Each pragma creates a mapping table; and each copies the previous table. The |
| // initial mappings are copied as well, but are not serialized since they have |
| // isPragma=false. |
| |
| // == ignored "-Wfloat-equal" |
| // CHECK-SAME: op{{[0-9]+}}=1 |
| // CHECK-SAME: op{{[0-9]+}}=[[FLOAT_EQ]] op{{[0-9]+}}= |
| |
| // == ignored "-Wstack-protector" |
| // CHECK-SAME: op{{[0-9]+}}=2 |
| // CHECK-SAME: op{{[0-9]+}}=[[STACK_PROT]] op{{[0-9]+}}= |
| // CHECK-SAME: op{{[0-9]+}}=[[FLOAT_EQ]] op{{[0-9]+}}= |
| |
| // == warning "-Wempty-translation-unit" |
| // CHECK-SAME: op{{[0-9]+}}=3 |
| // CHECK-SAME: op{{[0-9]+}}=[[STACK_PROT]] op{{[0-9]+}}= |
| // CHECK-SAME: op{{[0-9]+}}=[[EMPTY_TU]] op{{[0-9]+}}= |
| // CHECK-SAME: op{{[0-9]+}}=[[FLOAT_EQ]] op{{[0-9]+}}= |
| |
| // == warning "-Wstack-protector" |
| // CHECK-SAME: op{{[0-9]+}}=3 |
| // CHECK-SAME: op{{[0-9]+}}=[[STACK_PROT]] op{{[0-9]+}}= |
| // CHECK-SAME: op{{[0-9]+}}=[[EMPTY_TU]] op{{[0-9]+}}= |
| // CHECK-SAME: op{{[0-9]+}}=[[FLOAT_EQ]] op{{[0-9]+}}= |
| |
| // RUN: %clang_cc1 -fmodules -fimplicit-module-maps \ |
| // RUN: -fmodules-cache-path=%t/cache -triple x86_64-apple-macosx10.11.0 \ |
| // RUN: %t/main.m -fdisable-module-hash \ |
| // RUN: -Werror=stack-protector -Werror=empty-translation-unit -Werror=float-equal |
| |
| // RUN: diff %t/cache/A.pcm %t/A1.pcm |
| |
| //--- module.modulemap |
| module A { header "a.h" } |
| |
| //--- a.h |
| // Lex warning |
| #warning "w" |
| |
| static inline void f() { |
| // Parse warning |
| ; |
| } |
| |
| #pragma clang diagnostic push |
| #pragma clang diagnostic ignored "-Wfloat-equal" |
| #pragma clang diagnostic ignored "-Wstack-protector" |
| |
| static inline void g() { |
| // Sema warning |
| int x; |
| } |
| |
| #pragma clang diagnostic push |
| #pragma clang diagnostic warning "-Wempty-translation-unit" |
| #pragma clang diagnostic warning "-Wstack-protector" |
| |
| #pragma clang diagnostic pop |
| #pragma clang diagnostic pop |
| |
| //--- main.m |
| #import "a.h" |
