tinygo/compiler/testdata/goroutine-cortex-m-qemu.ll
Ayke van Laethem 87c2ccb0b9 compiler: add tests for starting a goroutine
This commit adds a test for both WebAssembly and Cortex-M targets (which
use a different way of goroutine lowering) to show how they lower
goroutines. It makes it easier to show how the output changes in future
commits.
2021-05-26 20:21:08 +02:00

144 строки
5,9 КиБ
LLVM

; ModuleID = 'goroutine.go'
source_filename = "goroutine.go"
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7m-none-eabi"
@"main.regularFunctionGoroutine$pack" = private unnamed_addr constant { i32, i8* } { i32 5, i8* undef }
@"main.inlineFunctionGoroutine$pack" = private unnamed_addr constant { i32, i8* } { i32 5, i8* undef }
declare noalias nonnull i8* @runtime.alloc(i32, i8*, i8*)
define hidden void @main.init(i8* %context, i8* %parentHandle) unnamed_addr {
entry:
ret void
}
define hidden void @main.regularFunctionGoroutine(i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (void (i8*)* @"main.regularFunction$gowrapper" to i32), i8* undef, i8* undef)
call void @"internal/task.start"(i32 ptrtoint (void (i8*)* @"main.regularFunction$gowrapper" to i32), i8* bitcast ({ i32, i8* }* @"main.regularFunctionGoroutine$pack" to i8*), i32 %stacksize, i8* undef, i8* null)
ret void
}
declare void @main.regularFunction(i32, i8*, i8*)
define linkonce_odr void @"main.regularFunction$gowrapper"(i8* %0) unnamed_addr #0 {
entry:
%1 = bitcast i8* %0 to i32*
%2 = load i32, i32* %1, align 4
%3 = getelementptr inbounds i8, i8* %0, i32 4
%4 = bitcast i8* %3 to i8**
%5 = load i8*, i8** %4, align 4
call void @main.regularFunction(i32 %2, i8* %5, i8* undef)
ret void
}
declare i32 @"internal/task.getGoroutineStackSize"(i32, i8*, i8*)
declare void @"internal/task.start"(i32, i8*, i32, i8*, i8*)
define hidden void @main.inlineFunctionGoroutine(i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (void (i8*)* @"main.inlineFunctionGoroutine$1$gowrapper" to i32), i8* undef, i8* undef)
call void @"internal/task.start"(i32 ptrtoint (void (i8*)* @"main.inlineFunctionGoroutine$1$gowrapper" to i32), i8* bitcast ({ i32, i8* }* @"main.inlineFunctionGoroutine$pack" to i8*), i32 %stacksize, i8* undef, i8* null)
ret void
}
define hidden void @"main.inlineFunctionGoroutine$1"(i32 %x, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
ret void
}
define linkonce_odr void @"main.inlineFunctionGoroutine$1$gowrapper"(i8* %0) unnamed_addr #1 {
entry:
%1 = bitcast i8* %0 to i32*
%2 = load i32, i32* %1, align 4
%3 = getelementptr inbounds i8, i8* %0, i32 4
%4 = bitcast i8* %3 to i8**
%5 = load i8*, i8** %4, align 4
call void @"main.inlineFunctionGoroutine$1"(i32 %2, i8* %5, i8* undef)
ret void
}
define hidden void @main.closureFunctionGoroutine(i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%n = call i8* @runtime.alloc(i32 4, i8* undef, i8* null)
%0 = bitcast i8* %n to i32*
store i32 3, i32* %0, align 4
%1 = call i8* @runtime.alloc(i32 8, i8* undef, i8* null)
%2 = bitcast i8* %1 to i32*
store i32 5, i32* %2, align 4
%3 = getelementptr inbounds i8, i8* %1, i32 4
%4 = bitcast i8* %3 to i8**
store i8* %n, i8** %4, align 4
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (void (i8*)* @"main.closureFunctionGoroutine$1$gowrapper" to i32), i8* undef, i8* undef)
call void @"internal/task.start"(i32 ptrtoint (void (i8*)* @"main.closureFunctionGoroutine$1$gowrapper" to i32), i8* nonnull %1, i32 %stacksize, i8* undef, i8* null)
%5 = load i32, i32* %0, align 4
call void @runtime.printint32(i32 %5, i8* undef, i8* null)
ret void
}
define hidden void @"main.closureFunctionGoroutine$1"(i32 %x, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = icmp eq i8* %context, null
br i1 %0, label %store.throw, label %store.next
store.throw: ; preds = %entry
call void @runtime.nilPanic(i8* undef, i8* null)
unreachable
store.next: ; preds = %entry
%unpack.ptr = bitcast i8* %context to i32*
store i32 7, i32* %unpack.ptr, align 4
ret void
}
define linkonce_odr void @"main.closureFunctionGoroutine$1$gowrapper"(i8* %0) unnamed_addr #2 {
entry:
%1 = bitcast i8* %0 to i32*
%2 = load i32, i32* %1, align 4
%3 = getelementptr inbounds i8, i8* %0, i32 4
%4 = bitcast i8* %3 to i8**
%5 = load i8*, i8** %4, align 4
call void @"main.closureFunctionGoroutine$1"(i32 %2, i8* %5, i8* undef)
ret void
}
declare void @runtime.printint32(i32, i8*, i8*)
declare void @runtime.nilPanic(i8*, i8*)
define hidden void @main.funcGoroutine(i8* %fn.context, void (i32, i8*, i8*)* %fn.funcptr, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = call i8* @runtime.alloc(i32 12, i8* undef, i8* null)
%1 = bitcast i8* %0 to i32*
store i32 5, i32* %1, align 4
%2 = getelementptr inbounds i8, i8* %0, i32 4
%3 = bitcast i8* %2 to i8**
store i8* %fn.context, i8** %3, align 4
%4 = getelementptr inbounds i8, i8* %0, i32 8
%5 = bitcast i8* %4 to void (i32, i8*, i8*)**
store void (i32, i8*, i8*)* %fn.funcptr, void (i32, i8*, i8*)** %5, align 4
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (void (i8*)* @main.funcGoroutine.gowrapper to i32), i8* undef, i8* undef)
call void @"internal/task.start"(i32 ptrtoint (void (i8*)* @main.funcGoroutine.gowrapper to i32), i8* nonnull %0, i32 %stacksize, i8* undef, i8* null)
ret void
}
define linkonce_odr void @main.funcGoroutine.gowrapper(i8* %0) unnamed_addr #3 {
entry:
%1 = bitcast i8* %0 to i32*
%2 = load i32, i32* %1, align 4
%3 = getelementptr inbounds i8, i8* %0, i32 4
%4 = bitcast i8* %3 to i8**
%5 = load i8*, i8** %4, align 4
%6 = getelementptr inbounds i8, i8* %0, i32 8
%7 = bitcast i8* %6 to void (i32, i8*, i8*)**
%8 = load void (i32, i8*, i8*)*, void (i32, i8*, i8*)** %7, align 4
call void %8(i32 %2, i8* %5, i8* undef)
ret void
}
attributes #0 = { "tinygo-gowrapper"="main.regularFunction" }
attributes #1 = { "tinygo-gowrapper"="main.inlineFunctionGoroutine$1" }
attributes #2 = { "tinygo-gowrapper"="main.closureFunctionGoroutine$1" }
attributes #3 = { "tinygo-gowrapper" }