From 1176aa52646fe641a4243a246aa7f960c708a274 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 17 Jul 2011 15:36:56 +0000
Subject: Vendor import of llvm trunk r135360:
 http://llvm.org/svn/llvm-project/llvm/trunk@135360

---
 utils/TableGen/SetTheory.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'utils/TableGen/SetTheory.cpp')

diff --git a/utils/TableGen/SetTheory.cpp b/utils/TableGen/SetTheory.cpp
index ade1825..21ac09c 100644
--- a/utils/TableGen/SetTheory.cpp
+++ b/utils/TableGen/SetTheory.cpp
@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "SetTheory.h"
+#include "Error.h"
 #include "Record.h"
 #include "llvm/Support/Format.h"
 
@@ -155,10 +156,15 @@ struct SequenceOp : public SetTheory::Operator {
       From = II->getValue();
     else
       throw "From must be an integer: " + Expr->getAsString();
+    if (From < 0 || From >= (1 << 30))
+      throw "From out of range";
+
     if (IntInit *II = dynamic_cast<IntInit*>(Expr->arg_begin()[2]))
       To = II->getValue();
     else
       throw "From must be an integer: " + Expr->getAsString();
+    if (To < 0 || To >= (1 << 30))
+      throw "To out of range";
 
     RecordKeeper &Records =
       dynamic_cast<DefInit&>(*Expr->getOperator()).getDef()->getRecords();
@@ -167,7 +173,7 @@ struct SequenceOp : public SetTheory::Operator {
     for (To += Step; From != To; From += Step) {
       std::string Name;
       raw_string_ostream OS(Name);
-      OS << format(Format.c_str(), From);
+      OS << format(Format.c_str(), unsigned(From));
       Record *Rec = Records.getDef(OS.str());
       if (!Rec)
         throw "No def named '" + Name + "': " + Expr->getAsString();
-- 
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