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Cleanup of complex type handling.

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- replace if .. else cascades with swicth
- replace assert(0) with llvm_unreachable as default case
- add some whitespaces in parameter lists
This commit is contained in:
kai
2012-12-30 14:56:53 +01:00
parent a3975b7f47
commit e684d10ac7
2 changed files with 38 additions and 50 deletions
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73
gen/complex.cpp
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@@ -33,39 +33,28 @@ llvm::StructType* DtoComplexType(Type* type)
LLType* DtoComplexBaseType(Type* t)
{
TY ty = t->toBasetype()->ty;
if (ty == Tcomplex32) {
return LLType::getFloatTy(gIR->context());
}
else if (ty == Tcomplex64) {
return LLType::getDoubleTy(gIR->context());
}
else if (ty == Tcomplex80) {
switch (t->toBasetype()->ty) {
default: llvm_unreachable("Unexpected complex floating point type");
case Tcomplex32: return LLType::getFloatTy(gIR->context());
case Tcomplex64: return LLType::getDoubleTy(gIR->context());
case Tcomplex80:
if ((global.params.cpu == ARCHx86) || (global.params.cpu == ARCHx86_64))
return LLType::getX86_FP80Ty(gIR->context());
else
return LLType::getDoubleTy(gIR->context());
}
else {
assert(0);
}
}
//////////////////////////////////////////////////////////////////////////////////////////
LLConstant* DtoConstComplex(Type* _ty, longdouble re, longdouble im)
{
TY ty = _ty->toBasetype()->ty;
Type* base = 0;
if (ty == Tcomplex32) {
base = Type::tfloat32;
}
else if (ty == Tcomplex64) {
base = Type::tfloat64;
}
else if (ty == Tcomplex80) {
base = Type::tfloat80;
switch (_ty->toBasetype()->ty) {
default: llvm_unreachable("Unexpected complex floating point type");
case Tcomplex32: base = Type::tfloat32; break;
case Tcomplex64: base = Type::tfloat64; break;
case Tcomplex80: base = Type::tfloat80; break;
}
std::vector<LLConstant*> inits;
@@ -99,19 +88,20 @@ DValue* DtoComplex(Loc& loc, Type* to, DValue* val)
Type* baserety;
Type* baseimty;
TY ty = to->toBasetype()->ty;
if (ty == Tcomplex32) {
switch (to->toBasetype()->ty) {
default: llvm_unreachable("Unexpected complex floating point type");
case Tcomplex32:
baserety = Type::tfloat32;
baseimty = Type::timaginary32;
} else if (ty == Tcomplex64) {
break;
case Tcomplex64:
baserety = Type::tfloat64;
baseimty = Type::timaginary64;
} else if (ty == Tcomplex80) {
break;
case Tcomplex80:
baserety = Type::tfloat80;
baseimty = Type::timaginary80;
}
else {
assert(0);
break;
}
LLValue *re, *im;
@@ -131,8 +121,8 @@ DValue* DtoComplex(Loc& loc, Type* to, DValue* val)
void DtoComplexSet(LLValue* c, LLValue* re, LLValue* im)
{
DtoStore(re, DtoGEPi(c,0,0,"tmp"));
DtoStore(im, DtoGEPi(c,0,1,"tmp"));
DtoStore(re, DtoGEPi(c, 0, 0, "tmp"));
DtoStore(im, DtoGEPi(c, 0, 1, "tmp"));
}
//////////////////////////////////////////////////////////////////////////////////////////
@@ -141,19 +131,20 @@ void DtoGetComplexParts(Loc& loc, Type* to, DValue* val, DValue*& re, DValue*& i
{
Type* baserety;
Type* baseimty;
TY ty = to->toBasetype()->ty;
if (ty == Tcomplex32) {
switch (to->toBasetype()->ty) {
default: llvm_unreachable("Unexpected complex floating point type");
case Tcomplex32:
baserety = Type::tfloat32;
baseimty = Type::timaginary32;
} else if (ty == Tcomplex64) {
break;
case Tcomplex64:
baserety = Type::tfloat64;
baseimty = Type::timaginary64;
} else if (ty == Tcomplex80) {
break;
case Tcomplex80:
baserety = Type::tfloat80;
baseimty = Type::timaginary80;
}
else {
assert(0);
break;
}
Type* t = val->getType()->toBasetype();
@@ -439,9 +430,9 @@ LLValue* DtoComplexEquals(Loc& loc, TOK op, DValue* lhs, DValue* rhs)
LLValue* b2 = DtoBinFloatsEquals(loc, lhs_im, rhs_im, op);
if (op == TOKequal)
return gIR->ir->CreateAnd(b1,b2,"tmp");
return gIR->ir->CreateAnd(b1, b2, "tmp");
else
return gIR->ir->CreateOr(b1,b2,"tmp");
return gIR->ir->CreateOr(b1, b2, "tmp");
}
//////////////////////////////////////////////////////////////////////////////////////////
@@ -476,7 +467,7 @@ DValue* DtoCastComplex(Loc& loc, DValue* val, Type* _to)
LLValue* impart = gIR->ir->CreateExtractValue(v, 1, ".im_part");
Type *extractty;
switch (vty->ty) {
default: llvm_unreachable("Unexpected floating point type");
default: llvm_unreachable("Unexpected complex floating point type");
case Tcomplex32: extractty = Type::timaginary32; break;
case Tcomplex64: extractty = Type::timaginary64; break;
case Tcomplex80: extractty = Type::timaginary80; break;
@@ -493,7 +484,7 @@ DValue* DtoCastComplex(Loc& loc, DValue* val, Type* _to)
LLValue* repart = gIR->ir->CreateExtractValue(v, 0, ".re_part");
Type *extractty;
switch (vty->ty) {
default: llvm_unreachable("Unexpected floating point type");
default: llvm_unreachable("Unexpected complex floating point type");
case Tcomplex32: extractty = Type::tfloat32; break;
case Tcomplex64: extractty = Type::tfloat64; break;
case Tcomplex80: extractty = Type::tfloat80; break;