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| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
define void @gmerge_s64_s32() { ret void }
...
---
name: gmerge_s64_s32
legalized: true
regBankSelected: true
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
- { id: 2, class: gpr }
body: |
bb.0:
liveins: $w0, $w1
; CHECK-LABEL: name: gmerge_s64_s32
; CHECK: [[COPY:%[0-9]+]]:gpr32all = COPY $w0
; CHECK: [[COPY1:%[0-9]+]]:gpr32all = COPY $w1
; CHECK: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG 0, [[COPY]], %subreg.sub_32
; CHECK: [[SUBREG_TO_REG1:%[0-9]+]]:gpr64 = SUBREG_TO_REG 0, [[COPY1]], %subreg.sub_32
; CHECK: [[BFMXri:%[0-9]+]]:gpr64 = BFMXri [[SUBREG_TO_REG]], [[SUBREG_TO_REG1]], 32, 31
; CHECK: $x0 = COPY [[BFMXri]]
%0(s32) = COPY $w0
%1(s32) = COPY $w1
%2(s64) = G_MERGE_VALUES %0(s32), %1(s32)
$x0 = COPY %2(s64)
...
|