|  | // Note: %s must be preceded by --, otherwise it may be interpreted as a | 
|  | // command-line option, e.g. on Mac where %s is commonly under /Users. | 
|  |  | 
|  | // RUN: %clang_cl /TC -### -- %s 2>&1 | FileCheck -check-prefix=TC %s | 
|  | // TC:  "-x" "c" | 
|  | // TC-NOT: warning | 
|  | // TC-NOT: note | 
|  |  | 
|  | // RUN: %clang_cl /TP -### -- %s 2>&1 | FileCheck -check-prefix=TP %s | 
|  | // TP:  "-x" "c++" | 
|  | // TP-NOT: warning | 
|  | // TP-NOT: note | 
|  |  | 
|  | // RUN: %clang_cl -### /Tc%s /TP -- %s 2>&1 | FileCheck -check-prefix=Tc %s | 
|  | // RUN: %clang_cl -### /TP /Tc%s -- %s 2>&1 | FileCheck -check-prefix=Tc %s | 
|  | // Tc:  "-x" "c" | 
|  | // Tc:  "-x" "c++" | 
|  | // Tc-NOT: warning | 
|  | // Tc-NOT: note | 
|  |  | 
|  | // RUN: %clang_cl -### /Tp%s /TC -- %s 2>&1 | FileCheck -check-prefix=Tp %s | 
|  | // RUN: %clang_cl -### /TC /Tp%s -- %s 2>&1 | FileCheck -check-prefix=Tp %s | 
|  | // Tp:  "-x" "c++" | 
|  | // Tp:  "-x" "c" | 
|  | // Tp-NOT: warning | 
|  | // Tp-NOT: note | 
|  |  | 
|  | // RUN: %clang_cl /TP /TC /TP -### -- %s 2>&1 | FileCheck -check-prefix=WARN %s | 
|  | // WARN: warning: overriding '/TP' option with '/TC' | 
|  | // WARN: warning: overriding '/TC' option with '/TP' | 
|  | // WARN: note: the last '/TC' or '/TP' option takes precedence over earlier instances | 
|  | // WARN-NOT: note | 
|  |  | 
|  | // MSYS2_ARG_CONV_EXCL tells MSYS2 to skip conversion of the specified argument. | 
|  | // Add a dummy "other" entry to the path as well, to check that it's split | 
|  | // around semicolons even on unix. | 
|  | // RUN: env LIB="other;%S/Inputs/cl-libs" MSYS2_ARG_CONV_EXCL="/TP;/c" %clang_cl /c /TP cl-test.lib -### 2>&1 | FileCheck -check-prefix=TPlib %s | 
|  | // TPlib: warning: cl-test.lib: 'linker' input unused | 
|  | // TPlib: warning: argument unused during compilation: '/TP' | 
|  | // TPlib-NOT: cl-test.lib | 
|  |  | 
|  | // RUN: env LIB=%S/Inputs/cl-libs MSYS2_ARG_CONV_EXCL="/TC;/c" %clang_cl /c /TC cl-test.lib -### 2>&1 | FileCheck -check-prefix=TClib %s | 
|  | // TClib: warning: cl-test.lib: 'linker' input unused | 
|  | // TClib: warning: argument unused during compilation: '/TC' | 
|  | // TClib-NOT: cl-test.lib | 
|  |  | 
|  | // RUN: not %clang_cl - 2>&1 | FileCheck -check-prefix=STDIN %s | 
|  | // STDIN: error: use /Tc or /Tp | 
|  |  | 
|  | // RUN: %clang_cl -### /Tc - 2>&1 | FileCheck -check-prefix=STDINTc %s | 
|  | // STDINTc: "-x" "c" | 
|  |  | 
|  | // RUN: env LIB=%S/Inputs/cl-libs %clang_cl -fuse-ld=link -### -- %s cl-test.lib 2>&1 | FileCheck -check-prefix=LIBINPUT %s | 
|  | // LIBINPUT: link.exe" | 
|  | // LIBINPUT: "cl-test.lib" | 
|  |  | 
|  | // RUN: env LIB=%S/Inputs/cl-libs %clang_cl -fuse-ld=link -### -- %s cl-test2.lib 2>&1 | FileCheck -check-prefix=LIBINPUT2 %s | 
|  | // LIBINPUT2-NOT: error: no such file or directory: 'cl-test2.lib' | 
|  | // LIBINPUT2: link.exe" | 
|  | // LIBINPUT2: "cl-test2.lib" | 
|  |  | 
|  | // RUN: not %clang_cl -fuse-ld=link -### -- %s /nonexisting.lib 2>&1 | FileCheck -check-prefix=LIBINPUT3 %s | 
|  | // LIBINPUT3: error: no such file or directory: '/nonexisting.lib' | 
|  | // LIBINPUT3: link.exe" | 
|  | // LIBINPUT3-NOT: "/nonexisting.lib" | 
|  |  | 
|  | void f(); |