[Driver][SYCL] Set /Zc:__cplusplus default for MSVC host compilation #7406
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hchilama
changed the title
mdtoguchi
reviewed
Nov 16, 2022
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| // Zc:__cplusplus, Zc:__cplusplus- check | ||
| // RUN: %clang_cl -### -fsycl-host-compiler=cl -fsycl %s 2>&1 | FileCheck -check-prefix=CHECK-ZC-CPLUSPLUS %s | ||
| // RUN: %clang_cl -### -fsycl-host-compiler=cl -fsycl /fsycl-host-compiler-options=/Zc:__cplusplus- %s 2>&1 | FileCheck -check-prefix=CHECK-ZC-CPLUSPLUS-MINUS %s |
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| // RUN: %clang_cl -### -fsycl-host-compiler=cl -fsycl /fsycl-host-compiler-options=/Zc:__cplusplus- %s 2>&1 | FileCheck -check-prefix=CHECK-ZC-CPLUSPLUS-MINUS %s | |
| // RUN: %clang_cl -### -fsycl-host-compiler=cl -fsycl -fsycl-host-compiler-options=/Zc:__cplusplus- %s 2>&1 | FileCheck -check-prefix=CHECK-ZC-CPLUSPLUS-MINUS %s |
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By default, we pass the /Zc:__cplusplus to host compiler(cl)
When user passes /Zc:__cplusplus- on the icx/icpx commandline, we override the option to the host compiler to disable the default.
When user passes /Zc:_cplusplus- (OR) /Zc:_cplusplus through -fsycl-host-compiler-options, we pass such option as-is. This will have higher priority.