mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-18 12:29:21 +00:00
The code sequence before the spiller is something like: = tMOVrr %reg1117 = tMOVrr %reg1078 = tLSLri %reg1117, 2 The it starts spilling: %r0 = tRestore <fi#5>, 0 %r1 = tRestore <fi#7>, 0 %r1 = tMOVrr %r1<kill> tSpill %r1, <fi#5>, 0 %reg1078 = tLSLri %reg1117, 2 It restores the value while processing the first tMOVrr. At this point, the spiller remembers fi#5 is available in %r0. Next it processes the second move. It restores the source before the move and spills the result afterwards. The move becomes a noop and is deleted. However, a spill has been inserted and that should invalidate reuse of %r0 for fi#5 and add reuse of %r1 for fi#5. Therefore, %reg1117 (which is also assigned fi#5) should get %r1, not %r0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34039 91177308-0d34-0410-b5e6-96231b3b80d8 |
||
---|---|---|
.. | ||
SelectionDAG | ||
AsmPrinter.cpp | ||
BranchFolding.cpp | ||
DwarfWriter.cpp | ||
ELFWriter.cpp | ||
ELFWriter.h | ||
IntrinsicLowering.cpp | ||
LiveInterval.cpp | ||
LiveIntervalAnalysis.cpp | ||
LiveVariables.cpp | ||
LLVMTargetMachine.cpp | ||
MachineBasicBlock.cpp | ||
MachineFunction.cpp | ||
MachineInstr.cpp | ||
MachineModuleInfo.cpp | ||
MachinePassRegistry.cpp | ||
MachOWriter.cpp | ||
MachOWriter.h | ||
Makefile | ||
Passes.cpp | ||
PHIElimination.cpp | ||
PhysRegTracker.h | ||
PrologEpilogInserter.cpp | ||
RegAllocLinearScan.cpp | ||
RegAllocLocal.cpp | ||
RegAllocSimple.cpp | ||
TwoAddressInstructionPass.cpp | ||
UnreachableBlockElim.cpp | ||
VirtRegMap.cpp | ||
VirtRegMap.h |