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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
11 lines
375 B
C++
11 lines
375 B
C++
// RUN: %clang_cc1 -ffreestanding -fsyntax-only -verify %s
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// RUN: %clang_cc1 -ffreestanding -fsyntax-only -verify -fwchar-type=short -fno-signed-wchar %s
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// expected-no-diagnostics
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#include <stdint.h>
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const bool swchar = (wchar_t)-1 > (wchar_t)0;
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int max_test[WCHAR_MAX == (swchar ? -(WCHAR_MIN+1) : (wchar_t)-1)];
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int min_test[WCHAR_MIN == (swchar ? 0 : -WCHAR_MAX-1)];
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