[PATCH] D22362: Don't optimize movs to pushes in -O0 builds.

[Nico Weber via llvm-commits]

thakis created this revision.
thakis added a reviewer: mkuper.
thakis added subscribers: llvm-commits, labath, hans.

X86CallFrameOptimization is an optimization, so it shouldn't run as part of -O0. (Also, the fast-isel + X86CallFrameOptimization frames confuse lldb.)

https://reviews.llvm.org/D22362

Files:
  lib/Target/X86/X86TargetMachine.cpp
  test/CodeGen/X86/fast-isel-call.ll
  test/CodeGen/X86/win32_sret.ll

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