1 // Some command-line arguments used for compiling translation units are not 2 // compatible with the semantics of modules or are likely to differ between 3 // identical modules discovered from different translation units. This test 4 // checks such arguments are removed from the command-lines: '-include', 5 // '-dwarf-debug-flag' and '-main-file-name'. Similarly, several arguments 6 // such as '-fmodules-cache-path=' are only relevant for implicit modules, and 7 // are removed to better-canonicalize the compilation. 8 9 // RUN: rm -rf %t && mkdir %t 10 // RUN: cp %S/Inputs/removed-args/* %t 11 // RUN: touch %t/build-session 12 // RUN: touch %t/tu.proftext 13 // RUN: llvm-profdata merge %t/tu.proftext -o %t/tu.profdata 14 15 // RUN: sed "s|DIR|%/t|g" %S/Inputs/removed-args/cdb.json.template > %t/cdb.json 16 // RUN: clang-scan-deps -compilation-database %t/cdb.json -format experimental-full > %t/result.json 17 // RUN: cat %t/result.json | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t 18 // 19 // CHECK: { 20 // CHECK-NEXT: "modules": [ 21 // CHECK-NEXT: { 22 // CHECK-NEXT: "clang-module-deps": [], 23 // CHECK-NEXT: "clang-modulemap-file": "[[PREFIX]]/module.modulemap", 24 // CHECK-NEXT: "command-line": [ 25 // CHECK-NEXT: "-cc1" 26 // CHECK-NOT: "-fdebug-compilation-dir=" 27 // CHECK-NOT: "-fcoverage-compilation-dir=" 28 // CHECK-NOT: "-coverage-notes-file 29 // CHECK-NOT: "-coverage-data-file 30 // CHECK-NOT: "-fprofile-instrument-use-path 31 // CHECK-NOT: "-dwarf-debug-flags" 32 // CHECK-NOT: "-main-file-name" 33 // CHECK-NOT: "-include" 34 // CHECK-NOT: "-fmodules-cache-path= 35 // CHECK-NOT: "-fmodules-validate-once-per-build-session" 36 // CHECK-NOT: "-fbuild-session-timestamp= 37 // CHECK-NOT: "-fmodules-prune-interval= 38 // CHECK-NOT: "-fmodules-prune-after= 39 // CHECK: ], 40 // CHECK-NEXT: "context-hash": "[[HASH_MOD_HEADER:.*]]", 41 // CHECK-NEXT: "file-deps": [ 42 // CHECK-NEXT: "[[PREFIX]]/module.modulemap", 43 // CHECK-NEXT: "[[PREFIX]]/mod_header.h" 44 // CHECK-NEXT: ], 45 // CHECK-NEXT: "link-libraries": [], 46 // CHECK-NEXT: "name": "ModHeader" 47 // CHECK-NEXT: }, 48 // CHECK-NEXT: { 49 // CHECK-NEXT: "clang-module-deps": [], 50 // CHECK-NEXT: "clang-modulemap-file": "[[PREFIX]]/module.modulemap", 51 // CHECK-NEXT: "command-line": [ 52 // CHECK-NEXT: "-cc1" 53 // CHECK-NOT: "-fdebug-compilation-dir= 54 // CHECK-NOT: "-fcoverage-compilation-dir= 55 // CHECK-NOT: "-coverage-notes-file 56 // CHECK-NOT: "-coverage-data-file 57 // CHECK-NOT: "-fprofile-instrument-use-path 58 // CHECK-NOT: "-dwarf-debug-flags" 59 // CHECK-NOT: "-main-file-name" 60 // CHECK-NOT: "-include" 61 // CHECK-NOT: "-fmodules-cache-path= 62 // CHECK-NOT: "-fmodules-validate-once-per-build-session" 63 // CHECK-NOT: "-fbuild-session-timestamp= 64 // CHECK-NOT: "-fmodules-prune-interval= 65 // CHECK-NOT: "-fmodules-prune-after= 66 // CHECK: ], 67 // CHECK-NEXT: "context-hash": "[[HASH_MOD_TU:.*]]", 68 // CHECK-NEXT: "file-deps": [ 69 // CHECK-NEXT: "[[PREFIX]]/module.modulemap", 70 // CHECK-NEXT: "[[PREFIX]]/mod_tu.h" 71 // CHECK-NEXT: ], 72 // CHECK-NEXT: "link-libraries": [], 73 // CHECK-NEXT: "name": "ModTU" 74 // CHECK-NEXT: } 75 // CHECK-NEXT: ], 76 // CHECK-NEXT: "translation-units": [ 77 // CHECK-NEXT: { 78 // CHECK: "clang-context-hash": "[[HASH_TU:.*]]", 79 // CHECK-NEXT: "clang-module-deps": [ 80 // CHECK-NEXT: { 81 // CHECK-NEXT: "context-hash": "[[HASH_MOD_HEADER]]", 82 // CHECK-NEXT: "module-name": "ModHeader" 83 // CHECK-NEXT: }, 84 // CHECK-NEXT: { 85 // CHECK-NEXT: "context-hash": "[[HASH_MOD_TU]]", 86 // CHECK-NEXT: "module-name": "ModTU" 87 // CHECK-NEXT: } 88 // CHECK-NEXT: ] 89 // CHECK-NEXT: "command-line": [ 90 // CHECK-NEXT: "-cc1", 91 // CHECK-NOT: "-fmodules-cache-path= 92 // CHECK-NOT: "-fmodules-validate-once-per-build-session" 93 // CHECK-NOT: "-fbuild-session-timestamp= 94 // CHECK-NOT: "-fbuild-session-file= 95 // CHECK-NOT: "-fmodules-prune-interval= 96 // CHECK-NOT: "-fmodules-prune-after= 97 // CHECK: ], 98 99 // Check for removed args for PCH invocations. 100 101 // RUN: split-file %s %t 102 // RUN: sed "s|DIR|%/t|g" %t/cdb-pch.json.template > %t/cdb-pch.json 103 // RUN: clang-scan-deps -compilation-database %t/cdb-pch.json -format experimental-full > %t/result-pch.json 104 // RUN: cat %t/result-pch.json | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t -check-prefix=PCH 105 // 106 // PCH-NOT: "-fdebug-compilation-dir=" 107 // PCH-NOT: "-fcoverage-compilation-dir=" 108 // PCH-NOT: "-coverage-notes-file 109 // PCH-NOT: "-coverage-data-file 110 // PCH-NOT: "-fprofile-instrument-use-path 111 // PCH-NOT: "-include" 112 // PCH-NOT: "-fmodules-cache-path= 113 // PCH-NOT: "-fmodules-validate-once-per-build-session" 114 // PCH-NOT: "-fbuild-session-timestamp= 115 // PCH-NOT: "-fmodules-prune-interval= 116 // PCH-NOT: "-fmodules-prune-after= 117 118 //--- cdb-pch.json.template 119 [ 120 { 121 "directory": "DIR", 122 "command": "clang -x c-header DIR/header.h -fmodules -fimplicit-module-maps -fmodules-cache-path=DIR/cache -fdebug-compilation-dir=DIR/debug -fcoverage-compilation-dir=DIR/coverage -ftest-coverage -fprofile-instr-use=DIR/tu.profdata -o DIR/header.h.pch -serialize-diagnostics DIR/header.h.pch.diag ", 123 "file": "DIR/header.h.pch" 124 } 125 ] 126