[llvm-commits] [llvm] r144959 - /llvm/trunk/lib/Target/ARM/ARMFastISel.cpp

[Chad Rosier]

Author: mcrosier
Date: Thu Nov 17 19:17:34 2011
New Revision: 144959

URL: http://llvm.org/viewvc/llvm-project?rev=144959&view=rev
Log:
Guard call to getRegForValue with isTypeLegal check to avoid unnecessary work/dead code.

Modified:
    llvm/trunk/lib/Target/ARM/ARMFastISel.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMFastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMFastISel.cpp?rev=144959&r1=144958&r2=144959&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMFastISel.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMFastISel.cpp Thu Nov 17 19:17:34 2011
@@ -2108,9 +2108,6 @@
     if (IntrMemName && e-i <= 2)
       break;
 
-    unsigned Arg = getRegForValue(*i);
-    if (Arg == 0)
-      return false;
     ISD::ArgFlagsTy Flags;
     unsigned AttrInd = i - CS.arg_begin() + 1;
     if (CS.paramHasAttr(AttrInd, Attribute::SExt))
@@ -2130,6 +2127,11 @@
     if (!isTypeLegal(ArgTy, ArgVT) && ArgVT != MVT::i16 && ArgVT != MVT::i8 &&
         ArgVT != MVT::i1)
       return false;
+
+    unsigned Arg = getRegForValue(*i);
+    if (Arg == 0)
+      return false;
+
     unsigned OriginalAlignment = TD.getABITypeAlignment(ArgTy);
     Flags.setOrigAlign(OriginalAlignment);