a5ed993f8d
This commit lets the compiler know about interrupts and allows optimizations to be performed based on that: interrupts are eliminated when they appear to be unused in a program. This is done with a new pseudo-call (runtime/interrupt.New) that is treated specially by the compiler.
38 строки
2,6 КиБ
LLVM
38 строки
2,6 КиБ
LLVM
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
|
|
target triple = "armv7em-none-eabi"
|
|
|
|
%machine.UART = type { %machine.RingBuffer* }
|
|
%machine.RingBuffer = type { [128 x %"runtime/volatile.Register8"], %"runtime/volatile.Register8", %"runtime/volatile.Register8" }
|
|
%"runtime/volatile.Register8" = type { i8 }
|
|
%"runtime/interrupt.handle" = type { { i8*, void (i32, i8*, i8*)* }, %"runtime/interrupt.Interrupt" }
|
|
%"runtime/interrupt.Interrupt" = type { i32 }
|
|
|
|
@"runtime/interrupt.$interrupt2" = private unnamed_addr constant %"runtime/interrupt.handle" { { i8*, void (i32, i8*, i8*)* } { i8* bitcast (%machine.UART* @machine.UART0 to i8*), void (i32, i8*, i8*)* @"(*machine.UART).handleInterrupt$bound" }, %"runtime/interrupt.Interrupt" { i32 2 } }
|
|
@machine.UART0 = internal global %machine.UART { %machine.RingBuffer* @"machine$alloc.335" }
|
|
@"machine$alloc.335" = internal global %machine.RingBuffer zeroinitializer
|
|
@"device/nrf.init$string.2" = internal unnamed_addr constant [23 x i8] c"UARTE0_UART0_IRQHandler"
|
|
@"device/nrf.init$string.3" = internal unnamed_addr constant [44 x i8] c"SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler"
|
|
|
|
declare i32 @"runtime/interrupt.Register"(i32, i8*, i32, i8*, i8*) local_unnamed_addr
|
|
|
|
declare void @"device/arm.EnableIRQ"(i32, i8* nocapture readnone, i8* nocapture readnone)
|
|
|
|
declare void @"device/arm.SetPriority"(i32, i32, i8* nocapture readnone, i8* nocapture readnone)
|
|
|
|
define void @runtime.initAll(i8* nocapture readnone, i8* nocapture readnone) unnamed_addr {
|
|
entry:
|
|
%2 = call i32 @"runtime/interrupt.Register"(i32 2, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @"device/nrf.init$string.2", i32 0, i32 0), i32 23, i8* undef, i8* undef)
|
|
%3 = call i32 @"runtime/interrupt.Register"(i32 3, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @"device/nrf.init$string.3", i32 0, i32 0), i32 44, i8* undef, i8* undef)
|
|
call void @"device/arm.SetPriority"(i32 ptrtoint (%"runtime/interrupt.handle"* @"runtime/interrupt.$interrupt2" to i32), i32 192, i8* undef, i8* undef)
|
|
call void @"device/arm.EnableIRQ"(i32 ptrtoint (%"runtime/interrupt.handle"* @"runtime/interrupt.$interrupt2" to i32), i8* undef, i8* undef)
|
|
ret void
|
|
}
|
|
|
|
define internal void @"(*machine.UART).handleInterrupt$bound"(i32, i8* nocapture %context, i8* nocapture readnone %parentHandle) {
|
|
entry:
|
|
%unpack.ptr = bitcast i8* %context to %machine.UART*
|
|
call void @"(*machine.UART).handleInterrupt"(%machine.UART* %unpack.ptr, i32 %0, i8* undef, i8* undef)
|
|
ret void
|
|
}
|
|
|
|
declare void @"(*machine.UART).handleInterrupt"(%machine.UART* nocapture, i32, i8* nocapture readnone, i8* nocapture readnone)
|