diff options
| author | Kevin Laeufer | 2021-08-02 13:46:29 -0700 |
|---|---|---|
| committer | GitHub | 2021-08-02 20:46:29 +0000 |
| commit | e04f1e7f303920ac1d1f865450d0e280aafb58b3 (patch) | |
| tree | 73f26cd236ac8069d9c4877a3c42457d65d477fe /src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala | |
| parent | ff1cd28202fb423956a6803a889c3632487d8872 (diff) | |
add emitter for optimized low firrtl (#2304)
* rearrange passes to enable optimized firrtl emission
* Support ConstProp on padded arguments to comparisons with literals
* Move shr legalization logic into ConstProp
Continue calling ConstProp of shr in Legalize.
Co-authored-by: Jack Koenig <koenig@sifive.com>
Co-authored-by: Jack Koenig <koenig@sifive.com>
Diffstat (limited to 'src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala')
| -rw-r--r-- | src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala b/src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala index e70346d4..70da011e 100644 --- a/src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala +++ b/src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala @@ -9,15 +9,7 @@ import firrtl.options.Dependency object CommonSubexpressionElimination extends Pass { - override def prerequisites = firrtl.stage.Forms.LowForm ++ - Seq( - Dependency(firrtl.passes.RemoveValidIf), - Dependency[firrtl.transforms.ConstantPropagation], - Dependency(firrtl.passes.memlib.VerilogMemDelays), - Dependency(firrtl.passes.SplitExpressions), - Dependency[firrtl.transforms.CombineCats] - ) - + override def prerequisites = firrtl.stage.Forms.LowForm override def optionalPrerequisiteOf = Seq(Dependency[SystemVerilogEmitter], Dependency[VerilogEmitter]) |