[PATCH] D22044: [X86] Support of no_caller_saved_registers attribute (LLVM part)

[Amjad Aboud via llvm-commits]

aaboud created this revision.
aaboud added reviewers: ABataev, DavidKreitzer, hjl.tools, qcolombet.
aaboud added a subscriber: llvm-commits.

This patch implements the LLVM part for no_caller_saved_registers attribute as appear in [[ https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=5ed3cc7b66af4758f7849ed6f65f4365be8223be | interrupt and exception handler proposal ]]


http://reviews.llvm.org/D22044

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/x86-32-intrcc.ll
  test/CodeGen/X86/x86-64-intrcc.ll
  test/CodeGen/X86/x86-no_caller_saved_registers.ll

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