fd4db5331e
This adds the frontend support required to support the use of the comment pragma to enable auto linking on ELFish targets. This is a generic ELF extension supported by LLVM. We need to change the handling for the "dependentlib" in order to accommodate the previously discussed encoding for the dependent library descriptor. Without the custom handling of the PCK_Lib directive, the -l prefixed option would be encoded into the resulting object (which is treated as a frontend error). llvm-svn: 324438
193 lines
8.1 KiB
C
193 lines
8.1 KiB
C
// RUN: %clang_cc1 -triple i686-unknown-windows-msvc %s -fsyntax-only -verify -fms-extensions -Wunknown-pragmas
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// RUN: not %clang_cc1 -triple i686-unknown-windows-msvc %s -fms-extensions -E | FileCheck %s
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// REQUIRES: non-ps4-sdk
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// rdar://6495941
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#define FOO 1
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#define BAR "2"
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#pragma comment(linker,"foo=" FOO) // expected-error {{pragma comment requires parenthesized identifier and optional string}}
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// CHECK: #pragma comment(linker,"foo=" 1)
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#pragma comment(linker," bar=" BAR)
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// CHECK: #pragma comment(linker," bar=" "2")
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#pragma comment( user, "Compiled on " __DATE__ " at " __TIME__ )
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// CHECK: {{#pragma comment\( user, \"Compiled on \".*\" at \".*\" \)}}
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#pragma comment(foo) // expected-error {{unknown kind of pragma comment}}
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// CHECK: #pragma comment(foo)
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#pragma comment(compiler,) // expected-error {{expected string literal in pragma comment}}
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// CHECK: #pragma comment(compiler,)
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#define foo compiler
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#pragma comment(foo) // macro expand kind.
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// CHECK: #pragma comment(compiler)
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#pragma comment(foo) x // expected-error {{pragma comment requires}}
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// CHECK: #pragma comment(compiler) x
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#pragma comment(user, "foo\abar\nbaz\tsome thing")
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// CHECK: #pragma comment(user, "foo\abar\nbaz\tsome thing")
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#pragma detect_mismatch("test", "1")
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// CHECK: #pragma detect_mismatch("test", "1")
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#pragma detect_mismatch() // expected-error {{expected string literal in pragma detect_mismatch}}
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// CHECK: #pragma detect_mismatch()
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#pragma detect_mismatch("test") // expected-error {{pragma detect_mismatch is malformed; it requires two comma-separated string literals}}
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// CHECK: #pragma detect_mismatch("test")
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#pragma detect_mismatch("test", 1) // expected-error {{expected string literal in pragma detect_mismatch}}
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// CHECK: #pragma detect_mismatch("test", 1)
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#pragma detect_mismatch("test", BAR)
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// CHECK: #pragma detect_mismatch("test", "2")
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// __pragma
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__pragma(comment(linker," bar=" BAR))
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// CHECK: #pragma comment(linker," bar=" "2")
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#define MACRO_WITH__PRAGMA { \
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__pragma(warning(push)); \
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__pragma(warning(disable: 10000)); \
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1 + (2 > 3) ? 4 : 5; \
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__pragma(warning(pop)); \
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}
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void f()
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{
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__pragma() // expected-warning{{unknown pragma ignored}}
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// CHECK: #pragma
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// If we ever actually *support* __pragma(warning(disable: x)),
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// this warning should go away.
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MACRO_WITH__PRAGMA // expected-warning {{lower precedence}} \
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// expected-note 2 {{place parentheses}}
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// CHECK: #pragma warning(push)
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// CHECK: #pragma warning(disable: 10000)
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// CHECK: ; 1 + (2 > 3) ? 4 : 5;
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// CHECK: #pragma warning(pop)
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}
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// This should include macro_arg_directive even though the include
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// is looking for test.h This allows us to assign to "n"
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#pragma include_alias("test.h", "macro_arg_directive.h" )
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#include "test.h"
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void test( void ) {
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n = 12;
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}
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#pragma include_alias(<bar.h>, "bar.h") // expected-warning {{angle-bracketed include <bar.h> cannot be aliased to double-quoted include "bar.h"}}
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#pragma include_alias("foo.h", <bar.h>) // expected-warning {{double-quoted include "foo.h" cannot be aliased to angle-bracketed include <bar.h>}}
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#pragma include_alias("test.h") // expected-warning {{pragma include_alias expected ','}}
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// Make sure that the names match exactly for a replacement, including path information. If
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// this were to fail, we would get a file not found error
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#pragma include_alias(".\pp-record.h", "does_not_exist.h")
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#include "pp-record.h"
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#pragma include_alias(12) // expected-warning {{pragma include_alias expected include filename}}
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// It's expected that we can map "bar" and <bar> separately
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#define test
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// We can't actually look up stdio.h because we're using cc1 without header paths, but this will ensure
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// that we get the right bar.h, because the "bar.h" will undef test for us, where <bar.h> won't
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#pragma include_alias(<bar.h>, <stdio.h>)
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#pragma include_alias("bar.h", "pr2086.h") // This should #undef test
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#include "bar.h"
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#if defined(test)
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// This should not warn because test should not be defined
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#pragma include_alias("test.h")
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#endif
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// Test to make sure there are no use-after-free problems
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#define B "pp-record.h"
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#pragma include_alias("quux.h", B)
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void g() {}
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#include "quux.h"
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// Make sure that empty includes don't work
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#pragma include_alias("", "foo.h") // expected-error {{empty filename}}
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#pragma include_alias(<foo.h>, <>) // expected-error {{empty filename}}
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// Test that we ignore pragma warning.
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#pragma warning(push)
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// CHECK: #pragma warning(push)
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#pragma warning(push, 1)
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// CHECK: #pragma warning(push, 1)
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#pragma warning(disable : 4705)
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// CHECK: #pragma warning(disable: 4705)
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#pragma warning(disable : 123 456 789 ; error : 321)
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// CHECK: #pragma warning(disable: 123 456 789)
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// CHECK: #pragma warning(error: 321)
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#pragma warning(once : 321)
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// CHECK: #pragma warning(once: 321)
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#pragma warning(suppress : 321)
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// CHECK: #pragma warning(suppress: 321)
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#pragma warning(default : 321)
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// CHECK: #pragma warning(default: 321)
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#pragma warning(pop)
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// CHECK: #pragma warning(pop)
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#pragma warning(1: 123)
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// CHECK: #pragma warning(1: 123)
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#pragma warning(2: 234 567)
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// CHECK: #pragma warning(2: 234 567)
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#pragma warning(3: 123; 4: 678)
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// CHECK: #pragma warning(3: 123)
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// CHECK: #pragma warning(4: 678)
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#pragma warning(5: 123) // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}
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#pragma warning(push, 0)
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// CHECK: #pragma warning(push, 0)
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// FIXME: We could probably support pushing warning level 0.
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#pragma warning(pop)
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// CHECK: #pragma warning(pop)
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#pragma warning // expected-warning {{expected '('}}
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#pragma warning( // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}
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#pragma warning() // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}
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#pragma warning(push 4) // expected-warning {{expected ')'}}
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// CHECK: #pragma warning(push)
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#pragma warning(push // expected-warning {{expected ')'}}
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// CHECK: #pragma warning(push)
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#pragma warning(push, 5) // expected-warning {{requires a level between 0 and 4}}
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#pragma warning(pop, 1) // expected-warning {{expected ')'}}
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// CHECK: #pragma warning(pop)
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#pragma warning(push, 1) asdf // expected-warning {{extra tokens at end of #pragma warning directive}}
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// CHECK: #pragma warning(push, 1)
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#pragma warning(disable 4705) // expected-warning {{expected ':'}}
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#pragma warning(disable : 0) // expected-warning {{expected a warning number}}
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#pragma warning(default 321) // expected-warning {{expected ':'}}
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#pragma warning(asdf : 321) // expected-warning {{expected 'push', 'pop'}}
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#pragma warning(push, -1) // expected-warning {{requires a level between 0 and 4}}
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// Test that runtime_checks is parsed but ignored.
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#pragma runtime_checks("sc", restore) // no-warning
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// Test pragma intrinsic
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#pragma intrinsic(memset) // no-warning
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#pragma intrinsic(memcpy, strlen, strlen) // no-warning
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#pragma intrinsic() // no-warning
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#pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}
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#pragma intrinsic(main) // expected-warning {{'main' is not a recognized builtin; consider including <intrin.h>}}
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#pragma intrinsic( // expected-warning {{missing ')' after}}
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#pragma intrinsic(int) // expected-warning {{missing ')' after}}
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#pragma intrinsic(strcmp) asdf // expected-warning {{extra tokens at end}}
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#define __INTRIN_H // there should be no notes after defining __INTRIN_H
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#pragma intrinsic(asdf) // expected-warning-re {{'asdf' is not a recognized builtin{{$}}}}
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#pragma intrinsic(memset) // no-warning
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#undef __INTRIN_H
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#pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wignored-pragma-intrinsic"
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#pragma intrinsic(asdf) // no-warning
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#pragma clang diagnostic pop
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#pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wignored-pragmas"
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#pragma intrinsic(asdf) // no-warning
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#pragma clang diagnostic pop
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#pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}
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