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Added pragma extractelement

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This commit is contained in:
Jernej Krempuš
2012-10-02 21:37:27 +02:00
parent d5d649b9c9
commit 2cf5d8c2a0
4 changed files with 38 additions and 1 deletions
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14
gen/toir.cpp
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@@ -1007,7 +1007,19 @@ DValue* CallExp::toElem(IRState* p)
LLValue* v1 = exp1->toElem(p)->getRVal();
LLValue* v2 = exp2->toElem(p)->getRVal();
return new DImValue(type, p->ir->CreateShuffleVector(v1, v2, maskVal));
}
}
// extractelement
else if(fndecl->llvmInternal == LLVMextractelement) {
Expression* exp2 = static_cast<Expression*>(arguments->data[1]);
if(exp2->op != TOKint64){
error("Function %s was declared with pragma extractelement. Because of that its second argument must be an integer literal.", fndecl->toChars());
fatal();
}
LLConstant* idx = static_cast<IntegerExp*>(arguments->data[1])->toConstElem(p);
Expression* exp1 = static_cast<Expression*>(arguments->data[0]);
LLValue* vec = exp1->toElem(p)->getRVal();
return new DImValue(type, p->ir->CreateExtractElement(vec, idx));
}
// fence instruction
else if (fndecl->llvmInternal == LLVMfence) {
if (arguments->dim != 1) {