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0c5795464b
Summary: As part of this * Emitted instructions now have named MachineInstr variables associated with them. This isn't particularly important yet but it's a small step towards multiple-insn emission. * constrainSelectedInstRegOperands() is no longer hardcoded. It's now added as the ConstrainOperandsToDefinitionAction() action. COPY_TO_REGCLASS uses an alternate constraint mechanism ConstrainOperandToRegClassAction() which supports arbitrary constraints such as that defined by COPY_TO_REGCLASS. Reviewers: ab, qcolombet, t.p.northover, rovka, kristof.beyls, aditya_nandakumar Reviewed By: ab Subscribers: javed.absar, igorb, llvm-commits Differential Revision: https://reviews.llvm.org/D33590 llvm-svn: 305791
213 lines
4.7 KiB
YAML
213 lines
4.7 KiB
YAML
# RUN: llc -O0 -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs -global-isel %s -o - | FileCheck %s
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--- |
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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define void @bitcast_s32_gpr() { ret void }
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define void @bitcast_s32_fpr() { ret void }
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define void @bitcast_s32_gpr_fpr() { ret void }
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define void @bitcast_s32_fpr_gpr() { ret void }
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define void @bitcast_s64_gpr() { ret void }
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define void @bitcast_s64_fpr() { ret void }
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define void @bitcast_s64_gpr_fpr() { ret void }
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define void @bitcast_s64_fpr_gpr() { ret void }
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...
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---
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# CHECK-LABEL: name: bitcast_s32_gpr
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name: bitcast_s32_gpr
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: gpr32all, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: gpr32all, preferred-register: '' }
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: gpr }
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# CHECK: body:
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# CHECK: %0 = COPY %w0
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# CHECK: %1 = COPY %0
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body: |
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bb.0:
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liveins: %w0
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%0(s32) = COPY %w0
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%1(s32) = G_BITCAST %0
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%w0 = COPY %1(s32)
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...
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---
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# CHECK-LABEL: name: bitcast_s32_fpr
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name: bitcast_s32_fpr
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: fpr32, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: fpr32, preferred-register: '' }
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registers:
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- { id: 0, class: fpr }
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- { id: 1, class: fpr }
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# CHECK: body:
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# CHECK: %0 = COPY %s0
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# CHECK: %1 = COPY %0
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body: |
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bb.0:
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liveins: %s0
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%0(s32) = COPY %s0
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%1(s32) = G_BITCAST %0
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%s0 = COPY %1(s32)
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...
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---
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# CHECK-LABEL: name: bitcast_s32_gpr_fpr
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name: bitcast_s32_gpr_fpr
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: gpr32all, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: fpr32, preferred-register: '' }
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: fpr }
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# CHECK: body:
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# CHECK: %0 = COPY %w0
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# CHECK: %1 = COPY %0
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body: |
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bb.0:
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liveins: %w0
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%0(s32) = COPY %w0
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%1(s32) = G_BITCAST %0
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%s0 = COPY %1(s32)
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...
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---
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# CHECK-LABEL: name: bitcast_s32_fpr_gpr
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name: bitcast_s32_fpr_gpr
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: fpr32, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: gpr32, preferred-register: '' }
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registers:
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- { id: 0, class: fpr }
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- { id: 1, class: gpr }
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# CHECK: body:
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# CHECK: %0 = COPY %s0
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# CHECK: %1 = COPY %0
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body: |
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bb.0:
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liveins: %s0
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%0(s32) = COPY %s0
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%1(s32) = G_BITCAST %0
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%w0 = COPY %1(s32)
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...
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---
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# CHECK-LABEL: name: bitcast_s64_gpr
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name: bitcast_s64_gpr
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: gpr64all, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: gpr64all, preferred-register: '' }
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: gpr }
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# CHECK: body:
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# CHECK: %0 = COPY %x0
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# CHECK: %1 = COPY %0
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body: |
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bb.0:
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liveins: %x0
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%0(s64) = COPY %x0
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%1(s64) = G_BITCAST %0
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%x0 = COPY %1(s64)
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...
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---
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# CHECK-LABEL: name: bitcast_s64_fpr
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name: bitcast_s64_fpr
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: fpr64, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: fpr64, preferred-register: '' }
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registers:
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- { id: 0, class: fpr }
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- { id: 1, class: fpr }
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# CHECK: body:
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# CHECK: %0 = COPY %d0
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# CHECK: %1 = COPY %0
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body: |
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bb.0:
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liveins: %d0
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%0(s64) = COPY %d0
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%1(s64) = G_BITCAST %0
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%d0 = COPY %1(s64)
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...
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---
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# CHECK-LABEL: name: bitcast_s64_gpr_fpr
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name: bitcast_s64_gpr_fpr
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: gpr64all, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: fpr64, preferred-register: '' }
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: fpr }
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# CHECK: body:
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# CHECK: %0 = COPY %x0
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# CHECK: %1 = COPY %0
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body: |
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bb.0:
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liveins: %x0
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%0(s64) = COPY %x0
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%1(s64) = G_BITCAST %0
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%d0 = COPY %1(s64)
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...
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---
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# CHECK-LABEL: name: bitcast_s64_fpr_gpr
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name: bitcast_s64_fpr_gpr
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: fpr64, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: gpr64, preferred-register: '' }
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registers:
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- { id: 0, class: fpr }
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- { id: 1, class: gpr }
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# CHECK: body:
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# CHECK: %0 = COPY %d0
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# CHECK: %1 = COPY %0
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body: |
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bb.0:
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liveins: %d0
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%0(s64) = COPY %d0
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%1(s64) = G_BITCAST %0
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%x0 = COPY %1(s64)
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...
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