diff options
Diffstat (limited to 'ARMeilleure/CodeGen/Optimizations/Optimizer.cs')
| -rw-r--r-- | ARMeilleure/CodeGen/Optimizations/Optimizer.cs | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/ARMeilleure/CodeGen/Optimizations/Optimizer.cs b/ARMeilleure/CodeGen/Optimizations/Optimizer.cs index 919e996b..a45bb455 100644 --- a/ARMeilleure/CodeGen/Optimizations/Optimizer.cs +++ b/ARMeilleure/CodeGen/Optimizations/Optimizer.cs @@ -44,8 +44,8 @@ namespace ARMeilleure.CodeGen.Optimizations ConstantFolding.RunPass(node); Simplification.RunPass(node); - if (DestIsLocalVar(node)) - { + if (DestIsSingleLocalVar(node)) + { if (IsPropagableCompare(node)) { modified |= PropagateCompare(ref buffer, node); @@ -99,20 +99,6 @@ namespace ARMeilleure.CodeGen.Optimizations while (modified); } - private static Span<Operation> GetUses(ref Span<Operation> buffer, Operand operand) - { - ReadOnlySpan<Operation> uses = operand.Uses; - - if (buffer.Length < uses.Length) - { - buffer = Allocators.Default.AllocateSpan<Operation>((uint)uses.Length); - } - - uses.CopyTo(buffer); - - return buffer.Slice(0, uses.Length); - } - private static bool PropagateCompare(ref Span<Operation> buffer, Operation compOp) { // Try to propagate Compare operations into their BranchIf uses, when these BranchIf uses are in the form @@ -160,7 +146,7 @@ namespace ARMeilleure.CodeGen.Optimizations Comparison compType = (Comparison)comp.AsInt32(); - Span<Operation> uses = GetUses(ref buffer, dest); + Span<Operation> uses = dest.GetUses(ref buffer); foreach (Operation use in uses) { @@ -199,7 +185,7 @@ namespace ARMeilleure.CodeGen.Optimizations Operand dest = copyOp.Destination; Operand source = copyOp.GetSource(0); - Span<Operation> uses = GetUses(ref buffer, dest); + Span<Operation> uses = dest.GetUses(ref buffer); foreach (Operation use in uses) { @@ -231,12 +217,12 @@ namespace ARMeilleure.CodeGen.Optimizations private static bool IsUnused(Operation node) { - return DestIsLocalVar(node) && node.Destination.UsesCount == 0 && !HasSideEffects(node); + return DestIsSingleLocalVar(node) && node.Destination.UsesCount == 0 && !HasSideEffects(node); } - private static bool DestIsLocalVar(Operation node) + private static bool DestIsSingleLocalVar(Operation node) { - return node.Destination != default && node.Destination.Kind == OperandKind.LocalVariable; + return node.DestinationsCount == 1 && node.Destination.Kind == OperandKind.LocalVariable; } private static bool HasSideEffects(Operation node) |