diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewritegeneric.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewritegeneric.go | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/src/cmd/compile/internal/ssa/rewritegeneric.go b/src/cmd/compile/internal/ssa/rewritegeneric.go index c67e4f90eb..fddfebdf42 100644 --- a/src/cmd/compile/internal/ssa/rewritegeneric.go +++ b/src/cmd/compile/internal/ssa/rewritegeneric.go @@ -5670,6 +5670,8 @@ func rewriteValuegeneric_OpArg_10(v *Value) bool { return false } func rewriteValuegeneric_OpArraySelect_0(v *Value) bool { + b := v.Block + _ = b // match: (ArraySelect (ArrayMake1 x)) // cond: // result: x @@ -5684,23 +5686,26 @@ func rewriteValuegeneric_OpArraySelect_0(v *Value) bool { v.AddArg(x) return true } - // match: (ArraySelect [0] (Load ptr mem)) + // match: (ArraySelect [0] x:(Load ptr mem)) // cond: - // result: (Load ptr mem) + // result: @x.Block (Load <v.Type> ptr mem) for { if v.AuxInt != 0 { break } - v_0 := v.Args[0] - if v_0.Op != OpLoad { + x := v.Args[0] + if x.Op != OpLoad { break } - _ = v_0.Args[1] - ptr := v_0.Args[0] - mem := v_0.Args[1] - v.reset(OpLoad) - v.AddArg(ptr) - v.AddArg(mem) + _ = x.Args[1] + ptr := x.Args[0] + mem := x.Args[1] + b = x.Block + v0 := b.NewValue0(v.Pos, OpLoad, v.Type) + v.reset(OpCopy) + v.AddArg(v0) + v0.AddArg(ptr) + v0.AddArg(mem) return true } // match: (ArraySelect [0] x:(IData _)) |