From c754b579ae1f3ce76b98dbf14bd88b3d653b34e7 Mon Sep 17 00:00:00 2001
From: Joerg Sonnenberger <joerg@bec.de>
Date: Tue, 5 Aug 2014 09:43:25 +0000
Subject: [PATCH] Allow binary and for tblgen math.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214851 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/TableGen/Record.h | 2 +-
 lib/TableGen/Record.cpp        | 3 +++
 lib/TableGen/TGLexer.cpp       | 1 +
 lib/TableGen/TGLexer.h         | 4 ++--
 lib/TableGen/TGParser.cpp      | 3 +++
 test/TableGen/math.td          | 8 ++++++++
 6 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/include/llvm/TableGen/Record.h b/include/llvm/TableGen/Record.h
index 36464d75d5a..84901e5fcb4 100644
--- a/include/llvm/TableGen/Record.h
+++ b/include/llvm/TableGen/Record.h
@@ -928,7 +928,7 @@ public:
 ///
 class BinOpInit : public OpInit {
 public:
-  enum BinaryOp { ADD, SHL, SRA, SRL, LISTCONCAT, STRCONCAT, CONCAT, EQ };
+  enum BinaryOp { ADD, AND, SHL, SRA, SRL, LISTCONCAT, STRCONCAT, CONCAT, EQ };
 
 private:
   BinaryOp Opc;
diff --git a/lib/TableGen/Record.cpp b/lib/TableGen/Record.cpp
index 0f40904ae91..cf8ef9bbf27 100644
--- a/lib/TableGen/Record.cpp
+++ b/lib/TableGen/Record.cpp
@@ -952,6 +952,7 @@ Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
     break;
   }
   case ADD:
+  case AND:
   case SHL:
   case SRA:
   case SRL: {
@@ -965,6 +966,7 @@ Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
       switch (getOpcode()) {
       default: llvm_unreachable("Bad opcode!");
       case ADD: Result = LHSv +  RHSv; break;
+      case AND: Result = LHSv &  RHSv; break;
       case SHL: Result = LHSv << RHSv; break;
       case SRA: Result = LHSv >> RHSv; break;
       case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break;
@@ -991,6 +993,7 @@ std::string BinOpInit::getAsString() const {
   switch (Opc) {
   case CONCAT: Result = "!con"; break;
   case ADD: Result = "!add"; break;
+  case AND: Result = "!and"; break;
   case SHL: Result = "!shl"; break;
   case SRA: Result = "!sra"; break;
   case SRL: Result = "!srl"; break;
diff --git a/lib/TableGen/TGLexer.cpp b/lib/TableGen/TGLexer.cpp
index fc1d3ca3392..cfcc119f82d 100644
--- a/lib/TableGen/TGLexer.cpp
+++ b/lib/TableGen/TGLexer.cpp
@@ -471,6 +471,7 @@ tgtok::TokKind TGLexer::LexExclaim() {
     .Case("tail", tgtok::XTail)
     .Case("con", tgtok::XConcat)
     .Case("add", tgtok::XADD)
+    .Case("and", tgtok::XAND)
     .Case("shl", tgtok::XSHL)
     .Case("sra", tgtok::XSRA)
     .Case("srl", tgtok::XSRL)
diff --git a/lib/TableGen/TGLexer.h b/lib/TableGen/TGLexer.h
index a2c95ca833d..c7f7306a149 100644
--- a/lib/TableGen/TGLexer.h
+++ b/lib/TableGen/TGLexer.h
@@ -47,8 +47,8 @@ namespace tgtok {
     MultiClass, String,
     
     // !keywords.
-    XConcat, XADD, XSRA, XSRL, XSHL, XListConcat, XStrConcat, XCast, XSubst,
-    XForEach, XHead, XTail, XEmpty, XIf, XEq,
+    XConcat, XADD, XAND, XSRA, XSRL, XSHL, XListConcat, XStrConcat, XCast,
+    XSubst, XForEach, XHead, XTail, XEmpty, XIf, XEq,
 
     // Integer value.
     IntVal,
diff --git a/lib/TableGen/TGParser.cpp b/lib/TableGen/TGParser.cpp
index a9de4eac9d3..d020a8bdc1a 100644
--- a/lib/TableGen/TGParser.cpp
+++ b/lib/TableGen/TGParser.cpp
@@ -911,6 +911,7 @@ Init *TGParser::ParseOperation(Record *CurRec, RecTy *ItemType) {
 
   case tgtok::XConcat:
   case tgtok::XADD:
+  case tgtok::XAND:
   case tgtok::XSRA:
   case tgtok::XSRL:
   case tgtok::XSHL:
@@ -928,6 +929,7 @@ Init *TGParser::ParseOperation(Record *CurRec, RecTy *ItemType) {
     default: llvm_unreachable("Unhandled code!");
     case tgtok::XConcat: Code = BinOpInit::CONCAT;Type = DagRecTy::get(); break;
     case tgtok::XADD:    Code = BinOpInit::ADD;   Type = IntRecTy::get(); break;
+    case tgtok::XAND:    Code = BinOpInit::AND;   Type = IntRecTy::get(); break;
     case tgtok::XSRA:    Code = BinOpInit::SRA;   Type = IntRecTy::get(); break;
     case tgtok::XSRL:    Code = BinOpInit::SRL;   Type = IntRecTy::get(); break;
     case tgtok::XSHL:    Code = BinOpInit::SHL;   Type = IntRecTy::get(); break;
@@ -1446,6 +1448,7 @@ Init *TGParser::ParseSimpleValue(Record *CurRec, RecTy *ItemType,
   case tgtok::XCast:  // Value ::= !unop '(' Value ')'
   case tgtok::XConcat:
   case tgtok::XADD:
+  case tgtok::XAND:
   case tgtok::XSRA:
   case tgtok::XSRL:
   case tgtok::XSHL:
diff --git a/test/TableGen/math.td b/test/TableGen/math.td
index 71c60579de2..d966346596a 100644
--- a/test/TableGen/math.td
+++ b/test/TableGen/math.td
@@ -15,6 +15,12 @@ class Int<int value> {
   int Value = value;
 }
 
+// CHECK: def v0
+// CHECK: Value = 0
+
+// CHECK: def v1
+// CHECK: Value = 1
+
 def v1024   : Int<1024>;
 // CHECK: def v1024
 // CHECK: Value = 1024
@@ -27,3 +33,5 @@ def v2048   : Int<!add(v1024.Value, v1024.Value)>;
 // CHECK: def v2048
 // CHECK: Value = 2048
 
+def v0 : Int<!and(v1024.Value, v2048.Value)>;
+def v1 : Int<!and(v1025.Value, 1)>;
-- 
2.34.1