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Skip superfluous IR pointer bitcasts, now that they are always opaque

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This commit is contained in:
Martin Kinkelin 2024-05-19 17:59:21 +02:00
parent ee9f3a142c
commit d140f2a283
28 changed files with 182 additions and 399 deletions
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5
gen/functions.cpp
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@ -1221,11 +1221,8 @@ void DtoDefineFunction(FuncDeclaration *fd, bool linkageAvailableExternally) {
if (!irFty.arg_this->byref) {
if (fd->interfaceVirtual) {
// Adjust the 'this' pointer instead of using a thunk
LLType *targetThisType = thismem->getType();
thismem = DtoBitCast(thismem, getVoidPtrType());
auto off = DtoConstInt(-fd->interfaceVirtual->offset);
thismem = DtoGEP1(llvm::Type::getInt8Ty(gIR->context()), thismem, off);
thismem = DtoBitCast(thismem, targetThisType);
thismem = DtoGEP1(getI8Type(), thismem, off);
}
thismem = DtoAllocaDump(thismem, 0, "this");
irFunc->thisArg = thismem;