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Tim Northover 7b837d8c75 ARM64: initial backend import

This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8

2014-03-29 10:18:08 +00:00

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344 B

LLVM

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 ; RUN: llc -march=arm64 -mtriple=arm64-apple-ios < %s | FileCheck %s
 ; rdar://12829704
 define void @t8() nounwind ssp {
 ; CHECK-LABEL: t8:
 ; CHECK-NOT: stp	fp, lr, [sp, #-16]!
 ; CHECK-NOT: mov	fp, sp
 ; CHECK: nop
 ; CHECK-NOT: mov	sp, fp
 ; CHECK-NOT: ldp	fp, lr, [sp], #16
   tail call void asm sideeffect "nop", "~{v8}"() nounwind
   ret void
 }