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zero allocation

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gingerBill
2026-05-12 10:44:01 +01:00
parent e4733b9a4e
commit 8ac7819bf5
1 changed files with 16 additions and 11 deletions
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27
src/llvm_backend_expr.cpp
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@@ -1214,10 +1214,10 @@ gb_internal lbValue lb_emit_matrix_mul_vector(lbProcedure *p, lbValue lhs, lbVal
LLVMValueRef matrix_vector = lb_matrix_to_vector(p, lhs);
for (unsigned column_index = 0; column_index < column_count; column_index++) {
LLVMValueRef mask = llvm_mask_iota(p->module, stride*column_index, row_count);
for (unsigned i = 0; i < column_count; i++) {
LLVMValueRef mask = llvm_mask_iota(p->module, stride*i, row_count);
LLVMValueRef column = llvm_basic_shuffle(p, matrix_vector, mask);
m_columns[column_index] = column;
m_columns[i] = column;
}
if (LLVMIsALoadInst(rhs.value)) {
@@ -1310,15 +1310,13 @@ gb_internal lbValue lb_emit_vector_mul_matrix(lbProcedure *p, lbValue lhs, lbVal
v_rows[column_index] = row;
}
GB_ASSERT(row_count > 0);
LLVMValueRef vector = llvm_vector_mul_pairwise_reduce_add(p, v_rows, m_columns);
lbAddr res = llvm_add_local_generated_from_vector(p, type, vector);
return lb_addr_load(p, res);
}
lbAddr res = lb_add_local_generated(p, type, false);
lbAddr res = lb_add_local_generated(p, type, true);
Type *vector_elem_type = base_array_type(rhs.type);
@@ -4010,7 +4008,7 @@ gb_internal lbValue lb_emit_comp_against_nil(lbProcedure *p, TokenKind op_kind,
}
}
break;
case Type_SoaPointer:
{
// NOTE(bill): An SoaPointer is essentially just a pointer for nil comparison
@@ -4715,7 +4713,7 @@ gb_internal lbValue lb_build_expr_internal(lbProcedure *p, Ast *expr) {
case_ast_node(ie, IndexExpr, expr);
return lb_addr_load(p, lb_build_addr(p, expr));
case_end;
case_ast_node(ie, MatrixIndexExpr, expr);
return lb_addr_load(p, lb_build_addr(p, expr));
case_end;
@@ -6742,7 +6740,7 @@ gb_internal lbAddr lb_build_addr_internal(lbProcedure *p, Ast *expr) {
case_ast_node(ac, AutoCast, expr);
return lb_build_addr(p, ac->expr);
case_end;
case_ast_node(te, TernaryIfExpr, expr);
LLVMValueRef incoming_values[2] = {};
LLVMBasicBlockRef incoming_blocks[2] = {};
@@ -6779,12 +6777,12 @@ gb_internal lbAddr lb_build_addr_internal(lbProcedure *p, Ast *expr) {
return lb_addr(res);
case_end;
case_ast_node(oe, OrElseExpr, expr);
lbValue ptr = lb_address_from_load_or_generate_local(p, lb_build_expr(p, expr));
return lb_addr(ptr);
case_end;
case_ast_node(oe, OrReturnExpr, expr);
lbValue ptr = lb_address_from_load_or_generate_local(p, lb_build_expr(p, expr));
return lb_addr(ptr);
@@ -6850,3 +6848,10 @@ gb_internal lbAddr lb_build_addr_internal(lbProcedure *p, Ast *expr) {
return {};
}
st_strings[expr->kind]),
token_pos_to_string(token_pos));
return {};
}