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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 @imm_s32_gpr() { ret void }
define void @imm_s64_gpr() { ret void }
define void @test_f64_cp() { ret void }
...
---
# Check that we select a 32-bit immediate into a MOVi32imm.
name: imm_s32_gpr
legalized: true
regBankSelected: true
registers:
- { id: 0, class: gpr }
body: |
bb.0:
liveins: $w0, $w1
; CHECK-LABEL: name: imm_s32_gpr
; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm -1234
; CHECK: $w0 = COPY [[MOVi32imm]]
%0(s32) = G_CONSTANT i32 -1234
$w0 = COPY %0(s32)
...
---
# Check that we select a 64-bit immediate into a MOVi64imm.
name: imm_s64_gpr
legalized: true
regBankSelected: true
registers:
- { id: 0, class: gpr }
body: |
bb.0:
liveins: $w0, $w1
; CHECK-LABEL: name: imm_s64_gpr
; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 1234
; CHECK: [[SUBREG_TO_REG:%[0-9]+]]:gpr64all = SUBREG_TO_REG 0, [[MOVi32imm]], %subreg.sub_32
; CHECK: $x0 = COPY [[SUBREG_TO_REG]]
%0(s64) = G_CONSTANT i64 1234
$x0 = COPY %0(s64)
...
# 64b FP immediates need to be loaded.
---
name: test_f64_cp
legalized: true
regBankSelected: true
liveins:
- { reg: '$d0' }
body: |
bb.1 (%ir-block.0):
liveins: $d0
; CHECK-LABEL: name: test_f64_cp
; CHECK: [[COPY:%[0-9]+]]:fpr64 = COPY $d0
; CHECK: [[ADRP:%[0-9]+]]:gpr64common = ADRP target-flags(aarch64-page) %const.0
; CHECK: [[LDRDui:%[0-9]+]]:fpr64 = LDRDui [[ADRP]], target-flags(aarch64-pageoff, aarch64-nc) %const.0
; CHECK: [[FADDDrr:%[0-9]+]]:fpr64 = FADDDrr [[COPY]], [[LDRDui]]
; CHECK: $d0 = COPY [[FADDDrr]]
; CHECK: RET_ReallyLR implicit $d0
%0:fpr(s64) = COPY $d0
%1:fpr(s64) = G_FCONSTANT double 0x3FEFF7CED916872B
%2:fpr(s64) = G_FADD %0, %1
$d0 = COPY %2(s64)
RET_ReallyLR implicit $d0
...
|
