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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
---
name: mul_i64_sext_imm32
legalized: true
regBankSelected: true
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
- { id: 2, class: gpr }
- { id: 3, class: gpr }
body: |
bb.0:
liveins: $w0
; Make sure InstructionSelector is able to match a pattern
; with an SDNodeXForm, trunc_imm.
; def : Pat<(i64 (mul (sext GPR32:$Rn), (s64imm_32bit:$C))),
; (SMADDLrrr GPR32:$Rn, (MOVi32imm (trunc_imm imm:$C)), XZR)>;
; CHECK-LABEL: name: mul_i64_sext_imm32
; CHECK: [[COPY:%[0-9]+]]:gpr32 = COPY $w0
; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 3
; CHECK: [[SMADDLrrr:%[0-9]+]]:gpr64 = SMADDLrrr [[COPY]], [[MOVi32imm]], $xzr
; CHECK: $x0 = COPY [[SMADDLrrr]]
%0:gpr(s32) = COPY $w0
%1:gpr(s64) = G_SEXT %0(s32)
%2:gpr(s64) = G_CONSTANT i64 3
%3:gpr(s64) = G_MUL %1, %2
$x0 = COPY %3(s64)
...
|