Changes in directory llvm/lib/Target:
TargetSelectionDAG.td updated: 1.12 -> 1.13
---
Log message:
Added support for ComplexPattern.
---
Diffs of the changes: (+21 -0)
TargetSelectionDAG.td | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+)
Index: llvm/lib/Target/TargetSelectionDAG.td
diff -u llvm/lib/Target/TargetSelectionDAG.td:1.12
llvm/lib/Target/TargetSelectionDAG.td:1.13
--- llvm/lib/Target/TargetSelectionDAG.td:1.12 Sun Dec 4 20:37:26 2005
+++ llvm/lib/Target/TargetSelectionDAG.td Wed Dec 7 22:28:48 2005
@@ -131,6 +131,10 @@
SDTCisInt<0>, SDTCisInt<1>
]>;
+def SDTLoad : SDTypeProfile<1, 1, [ // load
+ SDTCisInt<1>
+]>;
+
//===----------------------------------------------------------------------===//
// Selection DAG Node Properties.
//
@@ -220,6 +224,8 @@
def writeport : SDNode<"ISD::WRITEPORT" , SDTWritePort, [SDNPHasChain]>;
+def load : SDNode<"ISD::LOAD" , SDTLoad, [SDNPHasChain]>;
+
//===----------------------------------------------------------------------===//
// Selection DAG Condition Codes
@@ -349,3 +355,18 @@
// not needing a full list.
class Pat<dag pattern, dag result> : Pattern<pattern, [result]>;
+//===----------------------------------------------------------------------===//
+// Complex pattern definitions.
+//
+// Complex patterns, e.g. X86 addressing mode, requires pattern matching code
+// in C++. NumOperands is the number of operands returned by the select
function;
+// SelectFunc is the name of the function used to pattern match the max.
pattern;
+// RootNodes are the list of possible root nodes of the sub-dags to match.
+// e.g. X86 addressing mode - def addr : ComplexPattern<4, "SelectAddr",
[add]>;
+//
+class ComplexPattern<ValueType ty, int numops, string fn, list<SDNode> roots =
[]> {
+ ValueType Ty = ty;
+ int NumOperands = numops;
+ string SelectFunc = fn;
+ list<SDNode> RootNodes = roots;
+}
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