[llvm-commits] [llvm] r55982 - /llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp

[Owen Anderson]

Author: resistor
Date: Tue Sep  9 01:32:02 2008
New Revision: 55982

URL: http://llvm.org/viewvc/llvm-project?rev=55982&view=rev
Log:
Check for type legality before materializing integer constants in fast isel.  With this change,
all of MultiSource/Applications passes on Darwin/X86 under FastISel.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp?rev=55982&r1=55981&r2=55982&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp Tue Sep  9 01:32:02 2008
@@ -39,6 +39,8 @@
                                        MBB->getParent()->getConstantPool());
     // Don't cache constant materializations.  To do so would require
     // tracking what uses they dominate.
+    if (!TLI.isTypeLegal(VT))
+      return false;
     Reg = FastEmit_i(VT, VT, ISD::Constant, CI->getZExtValue());
   } else if (isa<GlobalValue>(V)) {
     return TargetMaterializeConstant(dyn_cast<Constant>(V),