[llvm-commits] [llvm] r144959 - /llvm/trunk/lib/Target/ARM/ARMFastISel.cpp
Chad Rosier
mcrosier at apple.com
Thu Nov 17 17:17:34 PST 2011
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);
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