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Puyan Lotfi 1076969bfe Followup on Proposal to move MIR physical register namespace to '$' sigil.

Discussed here:

http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html

In preparation for adding support for named vregs we are changing the sigil for
physical registers in MIR to '$' from '%'. This will prevent name clashes of
named physical register with named vregs.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@323922 91177308-0d34-0410-b5e6-96231b3b80d8

2018-01-31 22:04:26 +00:00

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 # RUN: llc -run-pass xray-instrumentation -mtriple=x86_64-unknown-linux-gnu -o - %s | FileCheck %s
 #
 # Make sure we can handle empty functions.
 ---
 name: empty
 tracksRegLiveness: true
 liveins:
   - { reg: '$edi'}
 body:            |
   bb.0:
     ; CHECK-NOT: PATCHABLE_FUNCTION_ENTER
 ...