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[dev.ssa] cmd/compile/internal/ssa: add line numbers to Values

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Change-Id: I1dfffd75cc1f49307c654f910f7133c03da6c84f
Reviewed-on: https://go-review.googlesource.com/10559
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Michael Matloob 2015-05-30 01:03:06 -04:00 • committed by Keith Randall
parent 43a2676ff0
commit 81ccf508aa
11 changed files with 174 additions and 99 deletions
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14
src/cmd/compile/internal/ssa/regalloc.go
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@ -262,24 +262,24 @@ func regalloc(f *Func) {
if len(w.Args) == 0 {
// Materialize w
if w.Op == OpFP || w.Op == OpSP || w.Op == OpGlobal {
c = b.NewValue1(OpCopy, w.Type, nil, w)
c = b.NewValue1(w.Line, OpCopy, w.Type, nil, w)
} else {
c = b.NewValue(w.Op, w.Type, w.Aux)
c = b.NewValue(w.Line, w.Op, w.Type, w.Aux)
}
} else if len(w.Args) == 1 && (w.Args[0].Op == OpFP || w.Args[0].Op == OpSP || w.Args[0].Op == OpGlobal) {
// Materialize offsets from SP/FP/Global
c = b.NewValue1(w.Op, w.Type, w.Aux, w.Args[0])
c = b.NewValue1(w.Line, w.Op, w.Type, w.Aux, w.Args[0])
} else if wreg != 0 {
// Copy from another register.
// Typically just an optimization, but this is
// required if w is dirty.
s := pickReg(wreg)
// inv: s != r
c = b.NewValue(OpCopy, w.Type, nil)
c = b.NewValue(w.Line, OpCopy, w.Type, nil)
c.AddArg(regs[s].c)
} else {
// Load from home location
c = b.NewValue(OpLoadReg8, w.Type, nil)
c = b.NewValue(w.Line, OpLoadReg8, w.Type, nil)
c.AddArg(w)
}
home = setloc(home, c, &registers[r])
@ -337,7 +337,7 @@ func regalloc(f *Func) {
}
// Reissue v with new op, with r as its home.
c := b.NewValue(v.Op, v.Type, v.Aux)
c := b.NewValue(v.Line, v.Op, v.Type, v.Aux)
c.AddArgs(v.Args...)
home = setloc(home, c, &registers[r])
@ -406,7 +406,7 @@ func addPhiCopies(f *Func) {
}
for i, w := range v.Args {
c := b.Preds[i]
cpy := c.NewValue1(OpCopy, v.Type, nil, w)
cpy := c.NewValue1(w.Line, OpCopy, v.Type, nil, w)
v.Args[i] = cpy
}
}