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729379a1e1
Move the logic for determining the `wchar_t` type information into the
driver. Rather than passing the single bit of information of
`-fshort-wchar` indicate to the frontend the desired type of `wchar_t`
through a new `-cc1` option of `-fwchar-type` and indicate the
signedness through `-f{,no-}signed-wchar`. This replicates the current
logic which was spread throughout Basic into the
`RenderCharacterOptions`.
Most of the changes to the tests are to ensure that the frontend uses
the correct type. Add a new test set under `test/Driver/wchar_t.c` to
ensure that we calculate the proper types for the various cases.
llvm-svn: 315126
7 lines
234 B
C
7 lines
234 B
C
// RUN: %clang_cc1 -triple i386-pc-cygwin -E -x c %s
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// RUN: %clang_cc1 -triple powerpc64-unknown-linux-gnu -E -fwchar-type=short -fno-signed-wchar -x c %s
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#if (L'\0' - 1 < 0)
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# error "Unexpected expression evaluation result"
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#endif
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