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
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
// RUN: %clang_cc1 -x c++ -triple %itanium_abi_triple -emit-llvm -fwchar-type=short -fno-signed-wchar %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=ITANIUM
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// RUN: %clang_cc1 -x c++ -triple %ms_abi_triple -emit-llvm -fwchar-type=short -fno-signed-wchar %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=MSABI
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// Runs in c++ mode so that wchar_t is available.
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// XFAIL: hexagon
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// Hexagon aligns arrays of size 8+ bytes to a 64-bit boundary, which fails
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// the first check line with "align 1".
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int main() {
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// This should convert to utf8.
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// CHECK: private unnamed_addr constant [10 x i8] c"\E1\84\A0\C8\A0\F4\82\80\B0\00", align 1
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char b[10] = "\u1120\u0220\U00102030";
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// ITANIUM: private unnamed_addr constant [3 x i16] [i16 65, i16 66, i16 0]
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// MSABI: linkonce_odr unnamed_addr constant [3 x i16] [i16 65, i16 66, i16 0]
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const wchar_t *foo = L"AB";
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// This should convert to utf16.
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// ITANIUM: private unnamed_addr constant [5 x i16] [i16 4384, i16 544, i16 -9272, i16 -9168, i16 0]
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// MSABI: linkonce_odr unnamed_addr constant [5 x i16] [i16 4384, i16 544, i16 -9272, i16 -9168, i16 0]
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const wchar_t *bar = L"\u1120\u0220\U00102030";
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// Should pick second character.
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// CHECK: store i8 98
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char c = 'ab';
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// CHECK: store i16 97
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wchar_t wa = L'a';
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// Should pick second character.
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// CHECK: store i16 98
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wchar_t wb = L'ab';
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// -4085 == 0xf00b
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// CHECK: store i16 -4085
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wchar_t wc = L'\uF00B';
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}
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