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Fix #2172

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This commit is contained in:
gingerBill
2022-11-21 11:38:29 +00:00
parent 1baa47c78e
commit c7be30e0ea
1 changed files with 30 additions and 17 deletions
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src/llvm_backend_utility.cpp
+30 -17
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@@ -200,22 +200,35 @@ lbValue lb_emit_transmute(lbProcedure *p, lbValue value, Type *t) {
GB_ASSERT_MSG(sz == dz, "Invalid transmute conversion: '%s' to '%s'", type_to_string(src_type), type_to_string(t));
// NOTE(bill): Casting between an integer and a pointer cannot be done through a bitcast
if (is_type_uintptr(src) && is_type_internally_pointer_like(dst)) {
res.value = LLVMBuildIntToPtr(p->builder, value.value, lb_type(m, t), "");
return res;
} else if (is_type_internally_pointer_like(src) && is_type_uintptr(dst)) {
res.value = LLVMBuildPtrToInt(p->builder, value.value, lb_type(m, t), "");
return res;
} else if (is_type_integer(src) && is_type_internally_pointer_like(dst)) {
res.value = LLVMBuildIntToPtr(p->builder, value.value, lb_type(m, t), "");
return res;
} else if (is_type_internally_pointer_like(src) && is_type_integer(dst)) {
res.value = LLVMBuildPtrToInt(p->builder, value.value, lb_type(m, t), "");
return res;
} else if (is_type_internally_pointer_like(src) && is_type_internally_pointer_like(dst)) {
res.value = LLVMBuildPointerCast(p->builder, value.value, lb_type(p->module, t), "");
return res;
} else if (is_type_simd_vector(src) && is_type_simd_vector(dst)) {
if (is_type_internally_pointer_like(src)) {
if (is_type_integer(dst)) {
res.value = LLVMBuildPtrToInt(p->builder, value.value, lb_type(m, t), "");
return res;
} else if (is_type_internally_pointer_like(dst)) {
res.value = LLVMBuildPointerCast(p->builder, value.value, lb_type(p->module, t), "");
return res;
} else if (is_type_float(dst)) {
LLVMValueRef the_int = LLVMBuildPtrToInt(p->builder, value.value, lb_type(m, t_uintptr), "");
res.value = LLVMBuildBitCast(p->builder, the_int, lb_type(m, t), "");
return res;
}
}
if (is_type_internally_pointer_like(dst)) {
if (is_type_uintptr(src) && is_type_internally_pointer_like(dst)) {
res.value = LLVMBuildIntToPtr(p->builder, value.value, lb_type(m, t), "");
return res;
} else if (is_type_integer(src) && is_type_internally_pointer_like(dst)) {
res.value = LLVMBuildIntToPtr(p->builder, value.value, lb_type(m, t), "");
return res;
} else if (is_type_float(src)) {
LLVMValueRef the_int = LLVMBuildBitCast(p->builder, value.value, lb_type(m, t_uintptr), "");
res.value = LLVMBuildIntToPtr(p->builder, the_int, lb_type(m, t), "");
return res;
}
}
if (is_type_simd_vector(src) && is_type_simd_vector(dst)) {
res.value = LLVMBuildBitCast(p->builder, value.value, lb_type(p->module, t), "");
return res;
} else if (is_type_array_like(src) && is_type_simd_vector(dst)) {
@@ -242,7 +255,7 @@ lbValue lb_emit_transmute(lbProcedure *p, lbValue value, Type *t) {
return lb_emit_load(p, d);
}
res.value = LLVMBuildBitCast(p->builder, value.value, lb_type(p->module, t), "");
res.value = OdinLLVMBuildTransmute(p, value.value, lb_type(m, res.type));
return res;
}