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1// Test the module map path is consistent between clang invocations when using VFS overlays.2 3// RUN: rm -rf %t4// RUN: split-file %s %t5 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.cache9 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.cache17// 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.yaml18// RUN: %{command} -ivfsoverlay %t/external-names-default.yaml19 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.yaml21// RUN: %{command} -ivfsoverlay %t/external-names-true.yaml22 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.yaml24// RUN: %{command} -ivfsoverlay %t/external-names-false.yaml25 26//--- prepopulate_module_cache.m27#import <Redirecting/Redirecting.h>28 29//--- test.m30// 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-diagnostics38 39 40//--- Frameworks/MultiPath.framework/Headers/MultiPath.h41void multiPathFramework(void);42 43//--- Frameworks/MultiPath.framework/Modules/module.modulemap44framework module MultiPath {45 header "MultiPath.h"46 export *47}48 49 50//--- include/MultiPathHeader.h51void multiPathHeader(void);52 53//--- include/module.modulemap54module MultiPathHeader {55 header "MultiPathHeader.h"56 export *57}58 59 60//--- Frameworks/Redirecting.framework/Headers/Redirecting.h61#import <MultiPath/MultiPath.h>62#import <MultiPathHeader.h>63 64//--- Frameworks/Redirecting.framework/Modules/module.modulemap65framework module Redirecting {66 header "Redirecting.h"67 export *68}69 70 71//--- BuildTemporaries/MultiPath.h72void multiPathFramework(void);73//--- BuildTemporaries/framework.modulemap74framework module MultiPath {75 header "MultiPath.h"76 export *77}78//--- BuildTemporaries/header.h79void multiPathHeader(void);80//--- BuildTemporaries/include.modulemap81module MultiPathHeader {82 header "MultiPathHeader.h"83 export *84}85 86//--- overlay.yaml.template87{88 'version': 0,89 USE_EXTERNAL_NAMES_OPTION90 '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