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[AArch64] Return address signing B key support

Authored by LukeCheeseman on Oct 29 2018, 9:26 AM.

Description

[AArch64] Return address signing B key support

  • Add support to generate AUTIBSP, PACIBSP, RETAB instructions for return address signing
  • The key used to sign the function is controlled by the function attribute "sign-return-address-key"

Differential Revision: https://reviews.llvm.org/D51427

llvm-svn: 345511

Details

Committed
LukeCheesemanOct 29 2018, 9:26 AM
Differential Revision
D51427: [AArch64] Return address signing B key support
Parents
rGe2806f857b77: [AST] Only store the needed data in SwitchStmt
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