[PATCH] D59016: [TableGen] Allow 2^63-1 and 2^63-2 as int literals.

[Simon Tatham via Phabricator via llvm-commits]

simon_tatham updated this revision to Diff 190055.
simon_tatham added a comment.

Simpler version that just replaces `DenseMap` with `std::map`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59016/new/

https://reviews.llvm.org/D59016

Files:
  llvm/lib/TableGen/Record.cpp
  llvm/test/TableGen/IntSpecialValues.td


Index: llvm/test/TableGen/IntSpecialValues.td
===================================================================
--- /dev/null
+++ llvm/test/TableGen/IntSpecialValues.td
@@ -0,0 +1,8 @@
+// RUN: llvm-tblgen %s | FileCheck %s
+
+def TestRecord {
+  // CHECK: int X = 9223372036854775807;
+  int X = 0x7FFFFFFFFFFFFFFF;
+  // CHECK: int Y = 9223372036854775806;
+  int Y = 0x7FFFFFFFFFFFFFFE;
+}
Index: llvm/lib/TableGen/Record.cpp
===================================================================
--- llvm/lib/TableGen/Record.cpp
+++ llvm/lib/TableGen/Record.cpp
@@ -32,6 +32,7 @@
 #include <cassert>
 #include <cstdint>
 #include <memory>
+#include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ -457,7 +458,7 @@
 }
 
 IntInit *IntInit::get(int64_t V) {
-  static DenseMap<int64_t, IntInit*> ThePool;
+  static std::map<int64_t, IntInit*> ThePool;
 
   IntInit *&I = ThePool[V];
   if (!I) I = new(Allocator) IntInit(V);


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