# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=aarch64-apple-ios -run-pass=localizer -verify-machineinstrs -global-isel %s -o - | FileCheck %s -check-prefix=CHECK
# Test the localizer.
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
define void @local_use() { ret void }
define void @non_local_1use() { ret void }
define void @non_local_2uses() { ret void }
define void @non_local_phi_use() { ret void }
define void @non_local_phi_use_followed_by_use() { ret void }
define void @non_local_phi_use_followed_by_use_fi() { ret void }
define void @float_non_local_phi_use_followed_by_use_fi() { ret void }
define void @non_local_phi() { ret void }
define void @non_local_label() { ret void }
...
---
name: local_use
legalized: true
regBankSelected: true
body: |
bb.0:
; CHECK-LABEL: name: local_use
; CHECK: [[C:%[0-9]+]]:gpr(s32) = G_CONSTANT 1
; CHECK: [[ADD:%[0-9]+]]:gpr(s32) = G_ADD [[C]], [[C]]
%0:gpr(s32) = G_CONSTANT 1
%1:gpr(s32) = G_ADD %0, %0
...
---
name: non_local_1use
legalized: true
regBankSelected: true
body: |
; CHECK-LABEL: name: non_local_1use
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: [[C:%[0-9]+]]:gpr(s32) = G_CONSTANT 1
; CHECK: [[ADD:%[0-9]+]]:gpr(s32) = G_ADD [[C]], [[C]]
; CHECK: bb.1:
; CHECK: [[C1:%[0-9]+]]:gpr(s32) = G_CONSTANT 1
; CHECK: [[ADD1:%[0-9]+]]:gpr(s32) = G_ADD [[C1]], [[ADD]]
; Existing registers should be left untouched
; The newly created reg should be on the same regbank/regclass as its origin.
bb.0:
successors: %bb.1
%0:gpr(s32) = G_CONSTANT 1
%1:gpr(s32) = G_ADD %0, %0
bb.1:
%2:gpr(s32) = G_ADD %0, %1
...
---
name: non_local_2uses
legalized: true
regBankSelected: true
body: |
; CHECK-LABEL: name: non_local_2uses
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: [[C:%[0-9]+]]:gpr(s32) = G_CONSTANT 1
; CHECK: [[ADD:%[0-9]+]]:gpr(s32) = G_ADD [[C]], [[C]]
; CHECK: bb.1:
; CHECK: [[C1:%[0-9]+]]:gpr(s32) = G_CONSTANT 1
; CHECK: [[ADD1:%[0-9]+]]:gpr(s32) = G_ADD [[C1]], [[C1]]
; Existing registers should be left untouched
; The newly created reg should be on the same regbank/regclass as its origin.
bb.0:
successors: %bb.1
%0:gpr(s32) = G_CONSTANT 1
%1:gpr(s32) = G_ADD %0, %0
bb.1:
%2:gpr(s32) = G_ADD %0, %0
...
---
name: non_local_phi_use
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: non_local_phi_use
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: [[C:%[0-9]+]]:gpr(s32) = G_CONSTANT 1
; CHECK: [[ADD:%[0-9]+]]:gpr(s32) = G_ADD [[C]], [[C]]
; CHECK: bb.1:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: [[C1:%[0-9]+]]:gpr(s32) = G_CONSTANT 1
; CHECK: bb.2:
; CHECK: [[PHI:%[0-9]+]]:gpr(s32) = PHI [[C1]](s32), %bb.1
; CHECK: [[ADD1:%[0-9]+]]:gpr(s32) = G_ADD [[PHI]], [[PHI]]
; Existing registers should be left untouched
; The newly created reg should be on the same regbank/regclass as its origin.
bb.0:
successors: %bb.1
%0:gpr(s32) = G_CONSTANT 1
%1:gpr(s32) = G_ADD %0, %0
bb.1:
successors: %bb.2
bb.2:
%3:gpr(s32) = PHI %0(s32), %bb.1
%2:gpr(s32) = G_ADD %3, %3
...
---
name: non_local_phi_use_followed_by_use
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: non_local_phi_use_followed_by_use
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: [[C:%[0-9]+]]:gpr(s32) = G_CONSTANT 1
; CHECK: [[ADD:%[0-9]+]]:gpr(s32) = G_ADD [[C]], [[C]]
; CHECK: bb.1:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: [[C1:%[0-9]+]]:gpr(s32) = G_CONSTANT 1
; CHECK: bb.2:
; CHECK: [[PHI:%[0-9]+]]:gpr(s32) = PHI [[C1]](s32), %bb.1
; CHECK: [[C2:%[0-9]+]]:gpr(s32) = G_CONSTANT 1
; CHECK: [[ADD1:%[0-9]+]]:gpr(s32) = G_ADD [[PHI]], [[C2]]
; Existing registers should be left untouched
; The newly created reg should be on the same regbank/regclass as its origin.
bb.0:
successors: %bb.1
%0:gpr(s32) = G_CONSTANT 1
%1:gpr(s32) = G_ADD %0, %0
bb.1:
successors: %bb.2
bb.2:
%3:gpr(s32) = PHI %0(s32), %bb.1
%2:gpr(s32) = G_ADD %3, %0
...
---
name: non_local_phi_use_followed_by_use_fi
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: non_local_phi_use_followed_by_use_fi
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: [[FRAME_INDEX:%[0-9]+]]:gpr(s32) = G_FRAME_INDEX 1
; CHECK: [[ADD:%[0-9]+]]:gpr(s32) = G_ADD [[FRAME_INDEX]], [[FRAME_INDEX]]
; CHECK: bb.1:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: [[FRAME_INDEX1:%[0-9]+]]:gpr(s32) = G_FRAME_INDEX 1
; CHECK: bb.2:
; CHECK: [[PHI:%[0-9]+]]:gpr(s32) = PHI [[FRAME_INDEX1]](s32), %bb.1
; CHECK: [[FRAME_INDEX2:%[0-9]+]]:gpr(s32) = G_FRAME_INDEX 1
; CHECK: [[ADD1:%[0-9]+]]:gpr(s32) = G_ADD [[PHI]], [[FRAME_INDEX2]]
; Existing registers should be left untouched
; The newly created reg should be on the same regbank/regclass as its origin.
bb.0:
successors: %bb.1
%0:gpr(s32) = G_FRAME_INDEX 1
%1:gpr(s32) = G_ADD %0, %0
bb.1:
successors: %bb.2
bb.2:
%3:gpr(s32) = PHI %0(s32), %bb.1
%2:gpr(s32) = G_ADD %3, %0
...
---
name: float_non_local_phi_use_followed_by_use_fi
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: float_non_local_phi_use_followed_by_use_fi
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: [[C:%[0-9]+]]:fpr(s32) = G_FCONSTANT float 1.000000e+00
; CHECK: [[FADD:%[0-9]+]]:fpr(s32) = G_FADD [[C]], [[C]]
; CHECK: bb.1:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: [[C1:%[0-9]+]]:fpr(s32) = G_FCONSTANT float 1.000000e+00
; CHECK: bb.2:
; CHECK: [[PHI:%[0-9]+]]:fpr(s32) = PHI [[C1]](s32), %bb.1
; CHECK: [[C2:%[0-9]+]]:fpr(s32) = G_FCONSTANT float 1.000000e+00
; CHECK: [[FADD1:%[0-9]+]]:fpr(s32) = G_FADD [[PHI]], [[C2]]
; Existing registers should be left untouched
; The newly created reg should be on the same regbank/regclass as its origin.
bb.0:
successors: %bb.1
%0:fpr(s32) = G_FCONSTANT float 1.0
%1:fpr(s32) = G_FADD %0, %0
bb.1:
successors: %bb.2
bb.2:
%3:fpr(s32) = PHI %0(s32), %bb.1
%2:fpr(s32) = G_FADD %3, %0
...
---
# Make sure we don't insert a constant before PHIs.
# This used to happen for loops of one basic block.
name: non_local_phi
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: non_local_phi
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: [[C:%[0-9]+]]:fpr(s32) = G_FCONSTANT float 1.000000e+00
; CHECK: [[FADD:%[0-9]+]]:fpr(s32) = G_FADD [[C]], [[C]]
; CHECK: bb.1:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: [[PHI:%[0-9]+]]:fpr(s32) = PHI [[FADD]](s32), %bb.0, %4(s32), %bb.1
; CHECK: [[C1:%[0-9]+]]:fpr(s32) = G_FCONSTANT float 1.000000e+00
; CHECK: [[FADD1:%[0-9]+]]:fpr(s32) = G_FADD [[PHI]], [[FADD]]
; CHECK: G_BR %bb.1
; Existing registers should be left untouched
; The newly created reg should be on the same regbank/regclass as its origin.
bb.0:
successors: %bb.1
%0:fpr(s32) = G_FCONSTANT float 1.0
%1:fpr(s32) = G_FADD %0, %0
bb.1:
successors: %bb.1
%3:fpr(s32) = PHI %1(s32), %bb.0, %0(s32), %bb.1
%2:fpr(s32) = G_FADD %3, %1
G_BR %bb.1
...
---
# Make sure we don't insert a constant before EH_LABELs.
name: non_local_label
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: non_local_label
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: %s0
; CHECK: [[COPY:%[0-9]+]]:fpr(s32) = COPY %s0
; CHECK: [[C:%[0-9]+]]:fpr(s32) = G_FCONSTANT float 1.000000e+00
; CHECK: bb.1:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: EH_LABEL 1
; CHECK: [[C1:%[0-9]+]]:fpr(s32) = G_FCONSTANT float 1.000000e+00
; CHECK: [[FADD:%[0-9]+]]:fpr(s32) = G_FADD [[COPY]], [[C1]]
; CHECK: G_BR %bb.1
; Existing registers should be left untouched
; The newly created reg should be on the same regbank/regclass as its origin.
bb.0:
liveins: %s0
successors: %bb.1
%0:fpr(s32) = COPY %s0
%1:fpr(s32) = G_FCONSTANT float 1.0
bb.1:
successors: %bb.1
EH_LABEL 1
%2:fpr(s32) = G_FADD %0, %1
G_BR %bb.1
...