IPA function summary for LPUART_UART_IP_0_IRQHandler/25 inlinable global time: 13.000000 self size: 5 global size: 5 min size: 4 self stack: 0 global stack: 0 size:0.000000, time:0.000000 size:3.000000, time:2.000000, executed if:(not inlined) calls: Lpuart_Uart_Ip_IRQHandler/26 function body not available loop depth: 0 freq:1.00 size: 2 time: 11 op0 is compile time invariant Flattening functions: Overall time estimate: 13.000000 weighted by profile: 0.000000 Deciding on inlining of small functions. Starting with size 0. Enqueueing calls in LPUART_UART_IP_0_IRQHandler/25. Reclaiming functions: Reclaiming variables: Clearing address taken flags: Deciding on functions to be inlined into all callers and removing useless speculations: Overall time estimate: 13.000000 weighted by profile: 0.000000 Why inlining failed? function body not available : 1 calls, 1.000000 freq, 0 count IPA function summary for LPUART_UART_IP_0_IRQHandler/25 inlinable global time: 13.000000 self size: 5 global size: 5 min size: 4 self stack: 0 global stack: 0 size:0.000000, time:0.000000 size:3.000000, time:2.000000, executed if:(not inlined) calls: Lpuart_Uart_Ip_IRQHandler/26 function body not available loop depth: 0 freq:1.00 size: 2 time: 11 op0 is compile time invariant Symbol table: Lpuart_Uart_Ip_IRQHandler/26 (Lpuart_Uart_Ip_IRQHandler) @06aa2d20 Type: function Visibility: external public References: Referring: Availability: not_available Function flags: optimize_size Called by: LPUART_UART_IP_0_IRQHandler/25 (1073741824 (estimated locally),1.00 per call) Calls: LPUART_UART_IP_0_IRQHandler/25 (LPUART_UART_IP_0_IRQHandler) @06aa28c0 Type: function definition analyzed Visibility: externally_visible public References: Referring: Availability: available Function flags: count:1073741824 (estimated locally) body optimize_size Called by: Calls: Lpuart_Uart_Ip_IRQHandler/26 (1073741824 (estimated locally),1.00 per call) ;; Function LPUART_UART_IP_0_IRQHandler (LPUART_UART_IP_0_IRQHandler, funcdef_no=25, decl_uid=4563, cgraph_uid=26, symbol_order=25) LPUART_UART_IP_0_IRQHandler () { [local count: 1073741824]: # DEBUG BEGIN_STMT Lpuart_Uart_Ip_IRQHandler (0); return; }