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clang-p2996/llvm/test/CodeGen/AArch64/GlobalISel/select-extract.mir
David Green ca7ffe09dc [AArch64] Rename CPY to DUP. NFC
These instructions have nothing to do with the new MOP CPY instructions,
and are better named DUP to avoid confusion.

Differential Revision: https://reviews.llvm.org/D116655
2022-01-05 20:02:39 +00:00

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-unknown-unknown -verify-machineinstrs -O0 -run-pass=instruction-select %s -o - | FileCheck %s
...
---
name: extract_64_128
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $q0
; CHECK-LABEL: name: extract_64_128
; CHECK: liveins: $q0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:fpr128 = COPY $q0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:fpr64 = COPY [[COPY]].dsub
; CHECK-NEXT: [[DUPi64_:%[0-9]+]]:fpr64 = DUPi64 [[COPY]], 1
; CHECK-NEXT: $d3 = COPY [[COPY1]]
; CHECK-NEXT: $d4 = COPY [[DUPi64_]]
; CHECK-NEXT: RET_ReallyLR implicit $d3
%0:fpr(s128) = COPY $q0
%2:fpr(s64) = G_EXTRACT %0(s128), 0
%3:fpr(s64) = G_EXTRACT %0(s128), 64
$d3 = COPY %2(s64)
$d4 = COPY %3(s64)
RET_ReallyLR implicit $d3
...