[llvm-commits] [dragonegg] r127093 - /dragonegg/trunk/llvm-convert.cpp

[Duncan Sands]

Author: baldrick
Date: Sat Mar  5 12:21:08 2011
New Revision: 127093

URL: http://llvm.org/viewvc/llvm-project?rev=127093&view=rev
Log:
Comments on the various possible gimple constants.

Modified:
    dragonegg/trunk/llvm-convert.cpp

Modified: dragonegg/trunk/llvm-convert.cpp
URL: http://llvm.org/viewvc/llvm-project/dragonegg/trunk/llvm-convert.cpp?rev=127093&r1=127092&r2=127093&view=diff
==============================================================================
--- dragonegg/trunk/llvm-convert.cpp (original)
+++ dragonegg/trunk/llvm-convert.cpp Sat Mar  5 12:21:08 2011
@@ -5886,6 +5886,8 @@
   case REAL_CST:
     C = TreeConstantToLLVM::ConvertREAL_CST(reg);
     break;
+  //case FIXED_CST: // Fixed point constant - not yet supported.
+  //case STRING_CST: // Allowed by is_gimple_constant, but no known testcase.
   case COMPLEX_CST:
     C = TreeConstantToLLVM::ConvertCOMPLEX_CST(reg);
     break;
@@ -5893,6 +5895,8 @@
     C = TreeConstantToLLVM::ConvertVECTOR_CST(reg);
     break;
   case CONSTRUCTOR:
+    // Vector constant constructors are gimple invariant.  See GCC testcase
+    // pr34856.c.
     C = TreeConstantToLLVM::ConvertCONSTRUCTOR(reg);
     break;
   }