Reference RegionPass to stop it being eliminated.

[oota-llvm.git] / include / llvm / CodeGen / JITCodeEmitter.h

diff --git a/include/llvm/CodeGen/JITCodeEmitter.h b/include/llvm/CodeGen/JITCodeEmitter.h
index 5ebfc31e7bb41ba5f25afac6c3a6639976c9a156..eb373fb145e86f34b189fa534201e3e860e77b98 100644 (file)
--- a/include/llvm/CodeGen/JITCodeEmitter.h
+++ b/include/llvm/CodeGen/JITCodeEmitter.h
@@ -174,13 +174,20 @@ public:
 
   /// emitULEB128Bytes - This callback is invoked when a ULEB128 needs to be
   /// written to the output stream.
-  void emitULEB128Bytes(uint64_t Value) {
+  void emitULEB128Bytes(uint64_t Value, unsigned PadTo = 0) {
     do {
       uint8_t Byte = Value & 0x7f;
       Value >>= 7;
-      if (Value) Byte |= 0x80;
+      if (Value || PadTo != 0) Byte |= 0x80;
       emitByte(Byte);
     } while (Value);
+
+    if (PadTo) {
+      do {
+        uint8_t Byte = (PadTo > 1) ? 0x80 : 0x0;
+        emitByte(Byte);
+      } while (--PadTo);
+    }
   }
   
   /// emitSLEB128Bytes - This callback is invoked when a SLEB128 needs to be