| # 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 } |
| ... |
| |
| --- |
| # CHECK-LABEL: name: local_use |
| name: local_use |
| legalized: true |
| regBankSelected: true |
| |
| # CHECK: registers: |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| |
| # CHECK: body: |
| # CHECK: %0(s32) = G_CONSTANT 1 |
| # CHECK-NEXT: %1(s32) = G_ADD %0, %0 |
| body: | |
| bb.0: |
| %0(s32) = G_CONSTANT 1 |
| %1(s32) = G_ADD %0, %0 |
| ... |
| |
| --- |
| # CHECK-LABEL: name: non_local_1use |
| name: non_local_1use |
| legalized: true |
| regBankSelected: true |
| |
| # CHECK: registers: |
| # Existing registers should be left untouched |
| # CHECK: - { id: 0, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 1, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 2, class: gpr, preferred-register: '' } |
| # The newly created reg should be on the same regbank/regclass as its origin. |
| #CHECK-NEXT: - { id: 3, class: gpr, preferred-register: '' } |
| |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| |
| # CHECK: body: |
| # CHECK: %0(s32) = G_CONSTANT 1 |
| # CHECK-NEXT: %1(s32) = G_ADD %0, %0 |
| |
| # CHECK: bb.1: |
| # CHECK: %3(s32) = G_CONSTANT 1 |
| # CHECK-NEXT: %2(s32) = G_ADD %3, %1 |
| body: | |
| bb.0: |
| successors: %bb.1 |
| |
| %0(s32) = G_CONSTANT 1 |
| %1(s32) = G_ADD %0, %0 |
| |
| bb.1: |
| %2(s32) = G_ADD %0, %1 |
| ... |
| |
| |
| --- |
| # CHECK-LABEL: name: non_local_2uses |
| name: non_local_2uses |
| legalized: true |
| regBankSelected: true |
| |
| # CHECK: registers: |
| # Existing registers should be left untouched |
| # CHECK: - { id: 0, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 1, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 2, class: gpr, preferred-register: '' } |
| # The newly created reg should be on the same regbank/regclass as its origin. |
| #CHECK-NEXT: - { id: 3, class: gpr, preferred-register: '' } |
| |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| |
| # CHECK: body: |
| # CHECK: %0(s32) = G_CONSTANT 1 |
| # CHECK-NEXT: %1(s32) = G_ADD %0, %0 |
| |
| # CHECK: bb.1: |
| # CHECK: %3(s32) = G_CONSTANT 1 |
| # CHECK-NEXT: %2(s32) = G_ADD %3, %3 |
| body: | |
| bb.0: |
| successors: %bb.1 |
| |
| %0(s32) = G_CONSTANT 1 |
| %1(s32) = G_ADD %0, %0 |
| |
| bb.1: |
| %2(s32) = G_ADD %0, %0 |
| ... |
| |
| --- |
| # CHECK-LABEL: name: non_local_phi_use |
| name: non_local_phi_use |
| legalized: true |
| regBankSelected: true |
| tracksRegLiveness: true |
| |
| # CHECK: registers: |
| # Existing registers should be left untouched |
| # CHECK: - { id: 0, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 1, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 2, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 3, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 4, class: gpr, preferred-register: '' } |
| # The newly created reg should be on the same regbank/regclass as its origin. |
| #CHECK-NEXT: - { id: 5, class: gpr, preferred-register: '' } |
| |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| - { id: 3, class: gpr } |
| - { id: 4, class: gpr } |
| |
| # CHECK: body: |
| # CHECK: %0(s32) = G_CONSTANT 1 |
| # CHECK-NEXT: %1(s32) = G_ADD %0, %0 |
| |
| # CHECK: bb.1: |
| # CHECK: %5(s32) = G_CONSTANT 1 |
| |
| # CHECK: bb.2: |
| # CHECK: %3(s32) = PHI %5(s32), %bb.1 |
| body: | |
| bb.0: |
| successors: %bb.1 |
| |
| %0(s32) = G_CONSTANT 1 |
| %1(s32) = G_ADD %0, %0 |
| |
| bb.1: |
| successors: %bb.2 |
| |
| bb.2: |
| %3(s32) = PHI %0(s32), %bb.1 |
| %2(s32) = G_ADD %3, %3 |
| ... |
| |
| --- |
| # CHECK-LABEL: name: non_local_phi_use_followed_by_use |
| name: non_local_phi_use_followed_by_use |
| legalized: true |
| regBankSelected: true |
| tracksRegLiveness: true |
| |
| # CHECK: registers: |
| # Existing registers should be left untouched |
| # CHECK: - { id: 0, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 1, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 2, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 3, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 4, class: gpr, preferred-register: '' } |
| # The newly created regs should be on the same regbank/regclass as its origin. |
| #CHECK-NEXT: - { id: 5, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 6, class: gpr, preferred-register: '' } |
| |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| - { id: 3, class: gpr } |
| - { id: 4, class: gpr } |
| |
| # CHECK: body: |
| # CHECK: %0(s32) = G_CONSTANT 1 |
| # CHECK-NEXT: %1(s32) = G_ADD %0, %0 |
| |
| # CHECK: bb.1: |
| # CHECK: %5(s32) = G_CONSTANT 1 |
| |
| # CHECK: bb.2: |
| # CHECK: %3(s32) = PHI %5(s32), %bb.1 |
| # CHECK-NEXT: %6(s32) = G_CONSTANT 1 |
| # CHECK-NEXT: %2(s32) = G_ADD %3, %6 |
| body: | |
| bb.0: |
| successors: %bb.1 |
| |
| %0(s32) = G_CONSTANT 1 |
| %1(s32) = G_ADD %0, %0 |
| |
| bb.1: |
| successors: %bb.2 |
| |
| bb.2: |
| %3(s32) = PHI %0(s32), %bb.1 |
| %2(s32) = G_ADD %3, %0 |
| ... |
| |
| --- |
| # CHECK-LABEL: name: non_local_phi_use_followed_by_use_fi |
| name: non_local_phi_use_followed_by_use_fi |
| legalized: true |
| regBankSelected: true |
| tracksRegLiveness: true |
| |
| # CHECK: registers: |
| # Existing registers should be left untouched |
| # CHECK: - { id: 0, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 1, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 2, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 3, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 4, class: gpr, preferred-register: '' } |
| # The newly created reg should be on the same regbank/regclass as its origin. |
| #CHECK-NEXT: - { id: 5, class: gpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 6, class: gpr, preferred-register: '' } |
| |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| - { id: 3, class: gpr } |
| - { id: 4, class: gpr } |
| |
| # CHECK: body: |
| # CHECK: %0(s32) = G_FRAME_INDEX 1 |
| # CHECK-NEXT: %1(s32) = G_ADD %0, %0 |
| |
| # CHECK: bb.1: |
| # CHECK: %5(s32) = G_FRAME_INDEX 1 |
| |
| # CHECK: bb.2: |
| # CHECK: %3(s32) = PHI %5(s32), %bb.1 |
| # CHECK-NEXT: %6(s32) = G_FRAME_INDEX 1 |
| # CHECK-NEXT: %2(s32) = G_ADD %3, %6 |
| body: | |
| bb.0: |
| successors: %bb.1 |
| |
| %0(s32) = G_FRAME_INDEX 1 |
| %1(s32) = G_ADD %0, %0 |
| |
| bb.1: |
| successors: %bb.2 |
| |
| bb.2: |
| %3(s32) = PHI %0(s32), %bb.1 |
| %2(s32) = G_ADD %3, %0 |
| ... |
| |
| --- |
| # CHECK-LABEL: name: float_non_local_phi_use_followed_by_use_fi |
| name: float_non_local_phi_use_followed_by_use_fi |
| legalized: true |
| regBankSelected: true |
| tracksRegLiveness: true |
| |
| # CHECK: registers: |
| # Existing registers should be left untouched |
| # CHECK: - { id: 0, class: fpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 1, class: fpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 2, class: fpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 3, class: fpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 4, class: fpr, preferred-register: '' } |
| # The newly created reg should be on the same regbank/regclass as its origin. |
| #CHECK-NEXT: - { id: 5, class: fpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 6, class: fpr, preferred-register: '' } |
| |
| registers: |
| - { id: 0, class: fpr } |
| - { id: 1, class: fpr } |
| - { id: 2, class: fpr } |
| - { id: 3, class: fpr } |
| - { id: 4, class: fpr } |
| |
| # CHECK: body: |
| # CHECK: %0(s32) = G_FCONSTANT float 1.0 |
| # CHECK-NEXT: %1(s32) = G_FADD %0, %0 |
| |
| # CHECK: bb.1: |
| # CHECK: %5(s32) = G_FCONSTANT float 1.0 |
| |
| # CHECK: bb.2: |
| # CHECK: %3(s32) = PHI %5(s32), %bb.1 |
| # CHECK-NEXT: %6(s32) = G_FCONSTANT float 1.0 |
| # CHECK-NEXT: %2(s32) = G_FADD %3, %6 |
| body: | |
| bb.0: |
| successors: %bb.1 |
| |
| %0(s32) = G_FCONSTANT float 1.0 |
| %1(s32) = G_FADD %0, %0 |
| |
| bb.1: |
| successors: %bb.2 |
| |
| bb.2: |
| %3(s32) = PHI %0(s32), %bb.1 |
| %2(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. |
| # CHECK-LABEL: name: non_local_phi |
| name: non_local_phi |
| legalized: true |
| regBankSelected: true |
| tracksRegLiveness: true |
| |
| # CHECK: registers: |
| # Existing registers should be left untouched |
| # CHECK: - { id: 0, class: fpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 1, class: fpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 2, class: fpr, preferred-register: '' } |
| #CHECK-NEXT: - { id: 3, class: fpr, preferred-register: '' } |
| # The newly created reg should be on the same regbank/regclass as its origin. |
| #CHECK-NEXT: - { id: 4, class: fpr, preferred-register: '' } |
| |
| registers: |
| - { id: 0, class: fpr } |
| - { id: 1, class: fpr } |
| - { id: 2, class: fpr } |
| - { id: 3, class: fpr } |
| |
| # CHECK: body: |
| # CHECK: %0(s32) = G_FCONSTANT float 1.0 |
| # CHECK-NEXT: %1(s32) = G_FADD %0, %0 |
| |
| # CHECK: bb.1: |
| # CHECK: %3(s32) = PHI %1(s32), %bb.0, %4(s32), %bb.1 |
| # CHECK: %4(s32) = G_FCONSTANT float 1.0 |
| |
| # CHECK-NEXT: %2(s32) = G_FADD %3, %1 |
| body: | |
| bb.0: |
| successors: %bb.1 |
| |
| %0(s32) = G_FCONSTANT float 1.0 |
| %1(s32) = G_FADD %0, %0 |
| |
| bb.1: |
| successors: %bb.1 |
| |
| %3(s32) = PHI %1(s32), %bb.0, %0(s32), %bb.1 |
| %2(s32) = G_FADD %3, %1 |
| G_BR %bb.1 |
| ... |