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[dev.inline] cmd/compile: introduce cmd/internal/src.Pos type for line numbers

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This is a step toward chosing a different position representation.
By introducing an explicit type, it will be easier to make the
transition step-wise while ensuring everything keeps running.

This has been reviewed via https://go-review.googlesource.com/#/c/34025/.

Change-Id: Ibceddcd62d8f346321ac3250e3940e9c436ed684
Reviewed-on: https://go-review.googlesource.com/34132
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Lazar <lazard@golang.org>
This commit is contained in:
Robert Griesemer 2016-12-06 17:08:06 -08:00
parent 0be4ef3ea6
commit 24597c080b
27 changed files with 181 additions and 132 deletions
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7
src/cmd/compile/internal/ssa/writebarrier.go
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@ -4,7 +4,10 @@
package ssa
import "fmt"
import (
"cmd/internal/src"
"fmt"
)
// writebarrier expands write barrier ops (StoreWB, MoveWB, etc.) into
// branches and runtime calls, like
@ -237,7 +240,7 @@ func writebarrier(f *Func) {
// wbcall emits write barrier runtime call in b, returns memory.
// if valIsVolatile, it moves val into temp space before making the call.
func wbcall(line int32, b *Block, fn interface{}, typ interface{}, ptr, val, mem, sp, sb *Value, valIsVolatile bool) *Value {
func wbcall(line src.Pos, b *Block, fn interface{}, typ interface{}, ptr, val, mem, sp, sb *Value, valIsVolatile bool) *Value {
config := b.Func.Config
var tmp GCNode