[llvm-commits] [dragonegg] r95498 - /dragonegg/trunk/llvm-convert.cpp

[Duncan Sands]

Author: baldrick
Date: Sat Feb  6 07:41:39 2010
New Revision: 95498

URL: http://llvm.org/viewvc/llvm-project?rev=95498&view=rev
Log:
GCC special cases constant vector constructors.  Do the same,
fixing a crash on GCC testcase pr34856.c.

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=95498&r1=95497&r2=95498&view=diff

==============================================================================
--- dragonegg/trunk/llvm-convert.cpp (original)
+++ dragonegg/trunk/llvm-convert.cpp Sat Feb  6 07:41:39 2010
@@ -7305,7 +7305,10 @@
   case OBJ_TYPE_REF: return EmitOBJ_TYPE_REF(rhs);
 
   // Exceptional (tcc_exceptional).
-  case CONSTRUCTOR: return EmitCONSTRUCTOR(rhs, 0);
+  case CONSTRUCTOR:
+    // Vector constant constructors are gimple invariant.
+    return is_gimple_constant(rhs) ?
+      EmitRegisterConstant(rhs) : EmitCONSTRUCTOR(rhs, 0);
 
   // References (tcc_reference).
   case ARRAY_REF: