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runtime/scheduler: make debugging easier + rename some functions

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This shouldn't affect functionality but makes debugging a whole lot
easier. A scheduler is difficult so make it easy to debug.
This commit is contained in:
Ayke van Laethem
2018-09-02 19:30:13 +02:00
parent 8ba3fef7d7
commit 9519f989bc
2 changed files with 58 additions and 19 deletions
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compiler.go
+3 -3
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@@ -1086,7 +1086,7 @@ func (c *Compiler) parseFunc(frame *Frame) error {
mem := c.builder.CreateCall(c.coroFreeFunc, []llvm.Value{id, frame.taskHandle}, "task.data.free")
c.builder.CreateCall(c.freeFunc, []llvm.Value{mem}, "")
// re-insert parent coroutine
c.builder.CreateCall(c.mod.NamedFunction("runtime.scheduleTask"), []llvm.Value{frame.fn.llvmFn.FirstParam()}, "")
c.builder.CreateCall(c.mod.NamedFunction("runtime.yieldToScheduler"), []llvm.Value{frame.fn.llvmFn.FirstParam()}, "")
c.builder.CreateBr(frame.suspendBlock)
// Coroutine suspend. A call to llvm.coro.suspend() will branch here.
@@ -1182,7 +1182,7 @@ func (c *Compiler) parseInstr(frame *Frame, instr ssa.Instruction) error {
if err != nil {
return err
}
c.builder.CreateCall(c.mod.NamedFunction("runtime.scheduleTask"), []llvm.Value{handle}, "")
c.builder.CreateCall(c.mod.NamedFunction("runtime.yieldToScheduler"), []llvm.Value{handle}, "")
return nil
case *ssa.If:
cond, err := c.parseExpr(frame, instr.Cond)
@@ -1483,7 +1483,7 @@ func (c *Compiler) parseFunctionCall(frame *Frame, args []ssa.Value, llvmFn, con
// (with the TASK_STATE_CALL state). When the subroutine is finished, it
// will reactivate the parent (this frame) in it's destroy function.
c.builder.CreateCall(c.mod.NamedFunction("runtime.scheduleTask"), []llvm.Value{result}, "")
c.builder.CreateCall(c.mod.NamedFunction("runtime.yieldToScheduler"), []llvm.Value{result}, "")
// Set task state to TASK_STATE_CALL.
c.builder.CreateCall(c.mod.NamedFunction("runtime.waitForAsyncCall"), []llvm.Value{frame.taskHandle}, "")