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Fastcasing llvm builtins #1271

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Fastcasing llvm builtins #1271

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07549c3
try
skrynski Mar 6, 2024
1245655
more
skrynski Mar 6, 2024
8d64453
minor
skrynski Mar 7, 2024
76de8a6
minor fix
skrynski Mar 7, 2024
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31 changes: 24 additions & 7 deletions rir/src/compiler/native/lower_function_llvm.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2975,8 +2975,14 @@ void LowerFunctionLLVM::compile() {
break;
}
case blt("anyNA"):
case blt("is.na"):
if (irep == Rep::i32) {
case blt("is.na"): {

auto arg = i->arg(0).val();

if ((irep == Rep::i32 || irep == Rep::f64) &&
!arg->type.maybeNAOrNaN()) {
setVal(i, constant(R_FalseValue, orep));
} else if (irep == Rep::i32) {
setVal(i,
builder.CreateSelect(
builder.CreateICmpEQ(a, c(NA_INTEGER)),
Expand All @@ -2990,7 +2996,9 @@ void LowerFunctionLLVM::compile() {
} else {
done = false;
}

break;
}
case blt("is.object"):
if (irep == Rep::SEXP) {
setVal(i, builder.CreateSelect(
Expand Down Expand Up @@ -4731,13 +4739,22 @@ void LowerFunctionLLVM::compile() {
assert(r1 == Rep::i32);
res = load(arg);
if (!arg->type.isA(RType::logical)) {
res = builder.CreateSelect(
builder.CreateICmpEQ(res, c(NA_INTEGER)),
c(NA_LOGICAL),
builder.CreateSelect(

auto nonNAIntegerToBool = [&]() {
return builder.CreateSelect(
builder.CreateICmpEQ(res, c(0)),
constant(R_FalseValue, t::Int),
constant(R_TrueValue, t::Int)));
constant(R_TrueValue, t::Int));
};

if (arg->type.maybeNAOrNaN()) {

res = builder.CreateSelect(
builder.CreateICmpEQ(res, c(NA_INTEGER)),
c(NA_LOGICAL), nonNAIntegerToBool());
} else {
res = nonNAIntegerToBool();
}
}
}

Expand Down