Implement PR3495: local spiller optimization. The local spiller can now keep availabi...

[oota-llvm.git] / lib / CodeGen / RegAllocPBQP.cpp

diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp
index 40f7570646b8bf8da472833aa2fb22f2efefe9d6..dfee8cf9b36eb04f4cc62016698350ccc014c72d 100644 (file)
--- a/lib/CodeGen/RegAllocPBQP.cpp
+++ b/lib/CodeGen/RegAllocPBQP.cpp
@@ -359,10 +359,10 @@ PBQPRegAlloc::CoalesceMap PBQPRegAlloc::findCoalesces() {
          iItr != iEnd; ++iItr) {
 
       const MachineInstr *instr = &*iItr;
-      unsigned srcReg, dstReg;
+      unsigned srcReg, dstReg, srcSubReg, dstSubReg;
 
       // If this isn't a copy then continue to the next instruction.
-      if (!tii->isMoveInstr(*instr, srcReg, dstReg))
+      if (!tii->isMoveInstr(*instr, srcReg, dstReg, srcSubReg, dstSubReg))
         continue;
 
       // If the registers are already the same our job is nice and easy.