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Improve and simplify casts.

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This commit is contained in:
Christoffer Lerno
2023-03-01 18:49:47 +01:00
parent 0314f9534f
commit 0dcad6f5cf
44 changed files with 691 additions and 740 deletions
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41
src/compiler/llvm_codegen_expr.c
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@@ -1356,42 +1356,21 @@ void llvm_emit_cast(GenContext *c, CastKind cast_kind, Expr *expr, BEValue *valu
llvm_value_rvalue(c, value);
value->value = LLVMBuildFPToUI(c->builder, value->value, llvm_get_type(c, to_type), "fpui");
break;
case CAST_SISI:
llvm_value_rvalue(c, value);
value->value = type_convert_will_trunc(to_type, from_type)
? LLVMBuildTrunc(c->builder, value->value, llvm_get_type(c, to_type), "sisitrunc")
: LLVMBuildSExt(c->builder, value->value, llvm_get_type(c, to_type), "sisiext");
case CAST_INTINT:
llvm_value_ext_trunc(c, value, to_type);
break;
case CAST_SIUI:
case CAST_INTFP:
llvm_value_rvalue(c, value);
value->value = type_convert_will_trunc(to_type, from_type)
? LLVMBuildTrunc(c->builder, value->value, llvm_get_type(c, to_type), "siuitrunc")
: LLVMBuildSExt(c->builder, value->value, llvm_get_type(c, to_type), "siuiext");
break;
case CAST_SIFP:
llvm_value_rvalue(c, value);
value->value = LLVMBuildSIToFP(c->builder, value->value, llvm_get_type(c, to_type), "sifp");
if (type_is_signed(value->type))
{
value->value = LLVMBuildSIToFP(c->builder, value->value, llvm_get_type(c, to_type), "sifp");
break;
}
value->value = LLVMBuildUIToFP(c->builder, value->value, llvm_get_type(c, to_type), "uifp");
break;
case CAST_INTPTR:
llvm_value_rvalue(c, value);
value->value = LLVMBuildIntToPtr(c->builder, value->value, llvm_get_type(c, to_type), "xiptr");
break;
case CAST_UISI:
llvm_value_rvalue(c, value);
value->value = type_convert_will_trunc(to_type, from_type)
? LLVMBuildTrunc(c->builder, value->value, llvm_get_type(c, to_type), "uisitrunc")
: LLVMBuildZExt(c->builder, value->value, llvm_get_type(c, to_type), "uisiext");
break;
case CAST_UIUI:
llvm_value_rvalue(c, value);
value->value = llvm_zext_trunc(c, value->value, llvm_get_type(c, to_type));
break;
case CAST_UIFP:
llvm_value_rvalue(c, value);
value->value = LLVMBuildUIToFP(c->builder, value->value, llvm_get_type(c, to_type), "uifp");
break;
case CAST_ENUMLOW:
llvm_value_rvalue(c, value);
value->value = LLVMBuildIntToPtr(c->builder, value->value, llvm_get_type(c, to_type), "intptr");
break;
case CAST_STST:
llvm_value_addr(c, value);