[llvm-commits] [llvm] r55129 - /llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
Dan Gohman
gohman at apple.com
Thu Aug 21 10:37:07 PDT 2008
Author: djg
Date: Thu Aug 21 12:37:05 2008
New Revision: 55129
URL: http://llvm.org/viewvc/llvm-project?rev=55129&view=rev
Log:
Have FastISel skip the multiply by 1 for getelementptr on i8*.
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=55129&r1=55128&r2=55129&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp Thu Aug 21 12:37:05 2008
@@ -124,10 +124,8 @@
// Unhandled operand. Halt "fast" selection and bail.
return false;
- // FIXME: If multiple is power of two, turn it into a shift. The
- // optimization should be in FastEmit_ri?
- IdxN = FastEmit_ri_(VT, ISD::MUL, IdxN,
- ElementSize, VT);
+ if (ElementSize != 1)
+ IdxN = FastEmit_ri_(VT, ISD::MUL, IdxN, ElementSize, VT);
if (IdxN == 0)
// Unhandled operand. Halt "fast" selection and bail.
return false;
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