Author: evancheng
Date: Thu Feb 7 13:46:55 2008
New Revision: 46861
URL: http://llvm.org/viewvc/llvm-project?rev=46861&view=rev
Log:
Remove remnant of load folding in local register allocator. Patch by Holger
Schurig.
Modified:
llvm/trunk/lib/CodeGen/RegAllocLocal.cpp
Modified: llvm/trunk/lib/CodeGen/RegAllocLocal.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocLocal.cpp?rev=46861&r1=46860&r2=46861&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegAllocLocal.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegAllocLocal.cpp Thu Feb 7 13:46:55 2008
@@ -35,7 +35,6 @@
STATISTIC(NumStores, "Number of stores added");
STATISTIC(NumLoads , "Number of loads added");
-STATISTIC(NumFolded, "Number of loads/stores folded into instructions");
namespace {
static RegisterRegAlloc
@@ -500,12 +499,7 @@
if (PhysReg) { // Register is available, allocate it!
assignVirtToPhysReg(VirtReg, PhysReg);
} else { // No registers available.
- // If we can fold this spill into this instruction, do so now.
- SmallVector<unsigned, 2> Ops;
- Ops.push_back(OpNum);
-
- // It looks like we can't fold this virtual register load into this
- // instruction. Force some poor hapless value out of the register file to
+ // Force some poor hapless value out of the register file to
// make room for the new register, and reload it.
PhysReg = getReg(MBB, MI, VirtReg);
}
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