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[ARM] Fix bogus assertions in copyPhysReg v8.1-M cases.

Authored by simon_tatham on Jun 27 2019, 5:41 AM.

Description

[ARM] Fix bogus assertions in copyPhysReg v8.1-M cases.

The code to generate register move instructions in and out of VPR and
FPSCR_NZCV had assertions checking that the other register involved
was a GPR _pair_, instead of a single GPR as it should have been.

Reviewers: miyuki, ostannard

Subscribers: javed.absar, kristof.beyls, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D63865

llvm-svn: 364534

Details