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-betterC: Use C assert function

Browse source 
Instead of druntime's _d_assert[_msg], _d_arraybounds and
_d_switch_error.

Tested by dmd-testsuite's runnable/cassert and compilable/betterCarray.
This commit is contained in:
Martin 2017-10-13 19:49:24 +02:00
parent fbbbeecaca
commit 30b858781b
10 changed files with 106 additions and 32 deletions
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26
gen/runtime.cpp
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@ -160,6 +160,21 @@ llvm::Function *getRuntimeFunction(const Loc &loc, llvm::Module &target,
////////////////////////////////////////////////////////////////////////////////
static const char *getCAssertFunctionName() {
if (global.params.targetTriple->isOSDarwin()) {
return "__assert_rtn";
} else if (global.params.targetTriple->isWindowsMSVCEnvironment()) {
return "_assert";
}
return "__assert";
}
llvm::Function *getCAssertFunction(const Loc &loc, llvm::Module &target) {
return getRuntimeFunction(loc, target, getCAssertFunctionName());
}
////////////////////////////////////////////////////////////////////////////////
// extern (D) alias dg_t = int delegate(void*);
static Type *rt_dg1() {
static Type *dg_t = nullptr;
@ -330,6 +345,17 @@ static void buildRuntimeModule() {
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// C assert function:
// OSX: void __assert_rtn(const char *func, const char *file, unsigned line,
// const char *msg)
// else: void [_]_assert(const char *msg, const char *file, unsigned line)
createFwdDecl(
LINKc, Type::tvoid, {getCAssertFunctionName()},
global.params.targetTriple->isOSDarwin()
? llvm::ArrayRef<Type *>({voidPtrTy, voidPtrTy, uintTy, voidPtrTy})
: llvm::ArrayRef<Type *>({voidPtrTy, voidPtrTy, uintTy}),
{}, Attr_Cold_NoReturn);
// void _d_assert(string file, uint line)
// void _d_arraybounds(string file, uint line)
createFwdDecl(LINKc, Type::tvoid, {"_d_assert", "_d_arraybounds"},