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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
13 lines
311 B
LLVM
13 lines
311 B
LLVM
; RUN: llc < %s -mtriple=arm64-apple-darwin | FileCheck %s
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define i8 @t1(i16* %a, i64 %b) {
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; CHECK: t1
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; CHECK: lsl [[REG:x[0-9]+]], x1, #1
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; CHECK: ldrb w0, [x0, [[REG]]]
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; CHECK: ret
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%tmp1 = getelementptr inbounds i16* %a, i64 %b
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%tmp2 = load i16* %tmp1
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%tmp3 = trunc i16 %tmp2 to i8
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ret i8 %tmp3
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}
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