Revert "Generate Callee Saved Register (CSR) related cfi directives like .
a035726e5aae
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Authored by wmi on Mar 19 2020, 10:45 PM.

Description

Revert "Generate Callee Saved Register (CSR) related cfi directives like .cfi_restore."

This reverts commit 3c96d01d2e3de63304ca3429d349ec62ae2adef3. Got report that it caused test failures in libc++.

Committed

wmi	Mar 19 2020, 10:45 PM

Parents

rG032251e34d17: [Coroutines] Fix PR45130

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Reverts

				Path	Packages
	M			llvm/lib/CodeGen/CFIInstrInserter.cpp
	M			llvm/lib/Target/X86/X86FrameLowering.cpp
	M			llvm/lib/Target/X86/X86FrameLowering.h
	D			llvm/test/CodeGen/X86/cfi-epilogue-with-return.mir
	D			llvm/test/CodeGen/X86/cfi-epilogue-without-return.mir
	D			llvm/test/CodeGen/X86/cfi-inserter-callee-save-register.mir
	D			llvm/test/CodeGen/X86/cfi-inserter-verify-inconsistent-csr.mir