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llvm-mirror/test/tools/llvm-rc/helpmsg.test
Martin Storsjö ae24723f0f [llvm-rc] Run clang to preprocess input files
Allow opting out from preprocessing with a command line argument.

Update tests to pass -no-preprocess to make it not try to use clang
(which isn't a build level dependency of llvm-rc), but add a test that
does preprocessing under clang/test/Preprocessor.

Update a few options to allow them both joined (as -DFOO) and separate
(-D BR), as rc.exe allows both forms of them.

With the verbose flag set, this prints the preprocessing command
used (which differs from what rc.exe does).

Tests under llvm/test/tools/llvm-rc only test constructing the
preprocessor commands, while tests under clang/test/Preprocessor test
actually running the preprocessor.

Differential Revision: https://reviews.llvm.org/D100755
2021-04-21 11:50:10 +03:00

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; RUN: llvm-rc /h > %t1
; RUN: llvm-rc '/?' > %t2
; RUN: diff %t1 %t2
; RUN: FileCheck -input-file=%t1 %s
; CHECK: OVERVIEW: Resource Converter
; CHECK-DAG: USAGE: rc [options] file...
; CHECK-DAG: OPTIONS:
; CHECK-NEXT: /? Display this help and exit.
; CHECK-NEXT: /C <value> Set the codepage used for input strings.
; CHECK-NEXT: /dry-run Don't compile the input; only try to parse it.
; CHECK-NEXT: /D <value> Define a symbol for the C preprocessor.
; CHECK-NEXT: /FO <value> Change the output file location.
; CHECK-NEXT: /H Display this help and exit.
; CHECK-NEXT: /I <value> Add an include path.
; CHECK-NEXT: /LN <value> Set the default language name.
; CHECK-NEXT: /L <value> Set the default language identifier.
; CHECK-NEXT: /no-preprocess Don't try to preprocess the input file.
; CHECK-NEXT: /N Null-terminate all strings in the string table.
; CHECK-NEXT: /U <value> Undefine a symbol for the C preprocessor.
; CHECK-NEXT: /V Be verbose.
; CHECK-NEXT: /X Ignore 'include' variable.
; CHECK-NEXT: /Y Suppress warnings on duplicate resource IDs.