1// Test the module map path is consistent between clang invocations when using VFS overlays. 2 3// RUN: rm -rf %t 4// RUN: split-file %s %t 5 6// Pre-populate the module cache with the modules that don't use VFS overlays. 7// RUN: %clang_cc1 -fsyntax-only -F%t/Frameworks -I%t/include %t/prepopulate_module_cache.m \ 8// RUN: -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache 9 10// Execute a compilation with VFS overlay. .pcm file path looks like <hash1>/ModuleName-<hash2>.pcm. 11// <hash1> corresponds to the compilation settings like language options. 12// <hash2> corresponds to the module map path. So if any of those change, we should use a different module. 13// But for VFS overlay we make an exception that it's not a part of <hash1> to reduce the number of built .pcm files. 14// Test that paths in overlays don't leak into <hash2> and don't cause using 2 .pcm files for the same module. 15// DEFINE: %{command} = %clang_cc1 -fsyntax-only -verify -F%t/Frameworks -I%t/include %t/test.m \ 16// DEFINE: -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache 17// RUN: sed -e "s@TMP_DIR@%{/t:regex_replacement}@g" -e "s@USE_EXTERNAL_NAMES_OPTION@@g" %t/overlay.yaml.template > %t/external-names-default.yaml 18// RUN: %{command} -ivfsoverlay %t/external-names-default.yaml 19 20// RUN: sed -e "s@TMP_DIR@%{/t:regex_replacement}@g" -e "s@USE_EXTERNAL_NAMES_OPTION@'use-external-names': true,@g" %t/overlay.yaml.template > %t/external-names-true.yaml 21// RUN: %{command} -ivfsoverlay %t/external-names-true.yaml 22 23// RUN: sed -e "s@TMP_DIR@%{/t:regex_replacement}@g" -e "s@USE_EXTERNAL_NAMES_OPTION@'use-external-names': false,@g" %t/overlay.yaml.template > %t/external-names-false.yaml 24// RUN: %{command} -ivfsoverlay %t/external-names-false.yaml 25 26//--- prepopulate_module_cache.m 27#import <Redirecting/Redirecting.h> 28 29//--- test.m 30// At first import multi-path modules directly, so clang decides which .pcm file they should belong to. 31#import <MultiPath/MultiPath.h> 32#import <MultiPathHeader.h> 33 34// Then import a module from the module cache and all its transitive dependencies. 35// Make sure the .pcm files loaded directly are the same as 'Redirecting' is referencing. 36#import <Redirecting/Redirecting.h> 37// expected-no-diagnostics 38 39 40//--- Frameworks/MultiPath.framework/Headers/MultiPath.h 41void multiPathFramework(void); 42 43//--- Frameworks/MultiPath.framework/Modules/module.modulemap 44framework module MultiPath { 45 header "MultiPath.h" 46 export * 47} 48 49 50//--- include/MultiPathHeader.h 51void multiPathHeader(void); 52 53//--- include/module.modulemap 54module MultiPathHeader { 55 header "MultiPathHeader.h" 56 export * 57} 58 59 60//--- Frameworks/Redirecting.framework/Headers/Redirecting.h 61#import <MultiPath/MultiPath.h> 62#import <MultiPathHeader.h> 63 64//--- Frameworks/Redirecting.framework/Modules/module.modulemap 65framework module Redirecting { 66 header "Redirecting.h" 67 export * 68} 69 70 71//--- BuildTemporaries/MultiPath.h 72void multiPathFramework(void); 73//--- BuildTemporaries/framework.modulemap 74framework module MultiPath { 75 header "MultiPath.h" 76 export * 77} 78//--- BuildTemporaries/header.h 79void multiPathHeader(void); 80//--- BuildTemporaries/include.modulemap 81module MultiPathHeader { 82 header "MultiPathHeader.h" 83 export * 84} 85 86//--- overlay.yaml.template 87{ 88 'version': 0, 89 USE_EXTERNAL_NAMES_OPTION 90 'roots': [ 91 { 'name': 'TMP_DIR/Frameworks/MultiPath.framework/Headers', 'type': 'directory', 92 'contents': [ 93 { 'name': 'MultiPath.h', 'type': 'file', 94 'external-contents': 'TMP_DIR/BuildTemporaries/MultiPath.h'} 95 ]}, 96 { 'name': 'TMP_DIR/Frameworks/MultiPath.framework/Modules', 'type': 'directory', 97 'contents': [ 98 { 'name': 'module.modulemap', 'type': 'file', 99 'external-contents': 'TMP_DIR/BuildTemporaries/framework.modulemap'} 100 ]}, 101 { 'name': 'TMP_DIR/include', 'type': 'directory', 102 'contents': [ 103 { 'name': 'MultiPathHeader.h', 'type': 'file', 104 'external-contents': 'TMP_DIR/BuildTemporaries/header.h'}, 105 { 'name': 'module.modulemap', 'type': 'file', 106 'external-contents': 'TMP_DIR/BuildTemporaries/include.modulemap'} 107 ]} 108 ] 109} 110 111