[PATCH] D38102: [XRay] support conditional return on PPC.

[Tim Shen via Phabricator via llvm-commits]

timshen created this revision.
Herald added subscribers: kbarton, hiraditya, nemanjai, sanjoy.

Conditional returns were not taken into consideration at all. Implement them by turning them into jumps and normal returns. This means there is a slightly higher performance penalty for conditional returns, but this is the best we can do, and it still disturbs little of the rest.


https://reviews.llvm.org/D38102

Files:
  llvm/lib/CodeGen/XRayInstrumentation.cpp
  llvm/lib/Target/PowerPC/PPC.h
  llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
  llvm/lib/Target/PowerPC/PPCMCInstLower.cpp
  llvm/test/CodeGen/PowerPC/xray-conditional-return.ll

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