diff options
Diffstat (limited to 'src/llvm_backend_expr.cpp')
| -rw-r--r-- | src/llvm_backend_expr.cpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/llvm_backend_expr.cpp b/src/llvm_backend_expr.cpp index eb88bbde0..f1d717d24 100644 --- a/src/llvm_backend_expr.cpp +++ b/src/llvm_backend_expr.cpp @@ -4518,6 +4518,43 @@ lbAddr lb_build_addr(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] = {}; + + GB_ASSERT(te->y != nullptr); + lbBlock *then = lb_create_block(p, "if.then"); + lbBlock *done = lb_create_block(p, "if.done"); // NOTE(bill): Append later + lbBlock *else_ = lb_create_block(p, "if.else"); + + lbValue cond = lb_build_cond(p, te->cond, then, else_); + lb_start_block(p, then); + + Type *ptr_type = alloc_type_pointer(default_type(type_of_expr(expr))); + + incoming_values[0] = lb_emit_conv(p, lb_build_addr_ptr(p, te->x), ptr_type).value; + + lb_emit_jump(p, done); + lb_start_block(p, else_); + + incoming_values[1] = lb_emit_conv(p, lb_build_addr_ptr(p, te->y), ptr_type).value; + + lb_emit_jump(p, done); + lb_start_block(p, done); + + lbValue res = {}; + res.value = LLVMBuildPhi(p->builder, lb_type(p->module, ptr_type), ""); + res.type = ptr_type; + + GB_ASSERT(p->curr_block->preds.count >= 2); + incoming_blocks[0] = p->curr_block->preds[0]->block; + incoming_blocks[1] = p->curr_block->preds[1]->block; + + LLVMAddIncoming(res.value, incoming_values, incoming_blocks, 2); + + return lb_addr(res); + case_end; } TokenPos token_pos = ast_token(expr).pos; |