diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/print.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/print.go | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/cmd/compile/internal/ssa/print.go b/src/cmd/compile/internal/ssa/print.go index 81c64a7692..96cd2c7c90 100644 --- a/src/cmd/compile/internal/ssa/print.go +++ b/src/cmd/compile/internal/ssa/print.go @@ -6,6 +6,7 @@ package ssa import ( "bytes" + "cmd/internal/src" "crypto/sha256" "fmt" "io" @@ -83,13 +84,26 @@ func (p stringFuncPrinter) endBlock(b *Block, reachable bool) { fmt.Fprintln(p.w, " "+b.LongString()) } +func StmtString(p src.XPos) string { + linenumber := "(?) " + if p.IsKnown() { + pfx := "" + if p.IsStmt() == src.PosIsStmt { + pfx = "+" + } + if p.IsStmt() == src.PosNotStmt { + pfx = "-" + } + linenumber = fmt.Sprintf("(%s%d) ", pfx, p.Line()) + } + return linenumber +} + func (p stringFuncPrinter) value(v *Value, live bool) { if !p.printDead && !live { return } - fmt.Fprint(p.w, " ") - //fmt.Fprint(p.w, v.Block.Func.fe.Pos(v.Pos)) - //fmt.Fprint(p.w, ": ") + fmt.Fprintf(p.w, " %s", StmtString(v.Pos)) fmt.Fprint(p.w, v.LongString()) if !live { fmt.Fprint(p.w, " DEAD") |