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cmd/compile: add position info to sccp debug messages

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Change-Id: Ic568dd3b2e3ebebb1b6aaa41ee78a12d4e8d3f06
Reviewed-on: https://go-review.googlesource.com/c/go/+/714221
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Jorropo <jorropo.pgm@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
This commit is contained in:
Jorropo 2025-10-25 22:08:59 +02:00 • committed by Gopher Robot
parent 77dc138030
commit 9a77aa4f08
1 changed files with 3 additions and 7 deletions
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10
src/cmd/compile/internal/ssa/sccp.go
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@ -4,10 +4,6 @@
package ssa package ssa
import (
"fmt"
)
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// Sparse Conditional Constant Propagation // Sparse Conditional Constant Propagation
// //
@ -118,7 +114,7 @@ func sccp(f *Func) {
constCnt, rewireCnt := t.replaceConst() constCnt, rewireCnt := t.replaceConst()
if f.pass.debug > 0 { if f.pass.debug > 0 {
if constCnt > 0 || rewireCnt > 0 { if constCnt > 0 || rewireCnt > 0 {
fmt.Printf("Phase SCCP for %v : %v constants, %v dce\n", f.Name, constCnt, rewireCnt) f.Warnl(f.Entry.Pos, "Phase SCCP for %v : %v constants, %v dce", f.Name, constCnt, rewireCnt)
} }
} }
} }
@ -563,7 +559,7 @@ func (t *worklist) replaceConst() (int, int) {
if lt.tag == constant { if lt.tag == constant {
if !isConst(val) { if !isConst(val) {
if t.f.pass.debug > 0 { if t.f.pass.debug > 0 {
fmt.Printf("Replace %v with %v\n", val.LongString(), lt.val.LongString()) t.f.Warnl(val.Pos, "Replace %v with %v", val.LongString(), lt.val.LongString())
} }
val.reset(lt.val.Op) val.reset(lt.val.Op)
val.AuxInt = lt.val.AuxInt val.AuxInt = lt.val.AuxInt
@ -575,7 +571,7 @@ func (t *worklist) replaceConst() (int, int) {
if rewireSuccessor(block, lt.val) { if rewireSuccessor(block, lt.val) {
rewireCnt++ rewireCnt++
if t.f.pass.debug > 0 { if t.f.pass.debug > 0 {
fmt.Printf("Rewire %v %v successors\n", block.Kind, block) t.f.Warnl(block.Pos, "Rewire %v %v successors", block.Kind, block)
} }
} }
} }