[PATCH] D21180: [IPRA] Interprocedural Register Allocation - Transformation Pass

[Vivek Pandya via llvm-commits]

vivekvpandya created this revision.
vivekvpandya added reviewers: mehdi_amini, hfinkel, qcolombet.
vivekvpandya added subscribers: MatzeB, sanjoy, karthikthecool, llvm-commits.
Herald added a subscriber: qcolombet.


    This commit adds required transformation pass for IPRA and a simple testcase to verify it.
    
      1) lib/Target/X86/X86RegUsageInfoPropagate.cpp (Target Specific MachineFunction Pass) to update RegMasks of call instr in caller function based on the RegMask returned by immutable pass, scheduled at Pre-RegAlloc.


http://reviews.llvm.org/D21180

Files:
  lib/Target/X86/CMakeLists.txt
  lib/Target/X86/X86.h
  lib/Target/X86/X86RegUsageInfoPropagate.cpp
  lib/Target/X86/X86TargetMachine.cpp
  test/CodeGen/Generic/ip-regalloc-simple.ll

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