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|
# RUN: llc -mtriple=i386-linux-gnu -global-isel -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=X32
# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=X64
--- |
define void @test_copy() {
ret void
}
define void @test_copy2() {
ret void
}
define void @test_copy3() {
ret void
}
define void @test_copy4() {
ret void
}
define void @test_copy5() {
ret void
}
define void @test_copy6() {
ret void
}
...
---
name: test_copy
# ALL-LABEL: name: test_copy
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gr32, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: gpr, preferred-register: '' }
# ALL: %0:gr8 = COPY %al
# ALL-NEXT: %2:gr32 = SUBREG_TO_REG 0, %0, 1
# ALL-NEXT: %1:gr32 = AND32ri8 %2, 1, implicit-def %eflags
# ALL-NEXT: %eax = COPY %1
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %eax
%0(s1) = COPY %al
%1(s32) = G_ZEXT %0(s1)
%eax = COPY %1(s32)
RET 0, implicit %eax
...
---
name: test_copy2
# ALL-LABEL: name: test_copy2
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: gpr, preferred-register: '' }
# ALL: %0:gr8 = COPY %al
# ALL-NEXT: %1:gr32 = MOVZX32rr8 %0
# ALL-NEXT: %eax = COPY %1
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %eax
%0(s8) = COPY %al
%1(s32) = G_ZEXT %0(s8)
%eax = COPY %1(s32)
RET 0, implicit %eax
...
---
name: test_copy3
# ALL-LABEL: name: test_copy3
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: gpr, preferred-register: '' }
# ALL: %0:gr8 = COPY %al
# ALL-NEXT: %1:gr32 = MOVZX32rr8 %0
# ALL-NEXT: %eax = COPY %1
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %eax
%0(s8) = COPY %ax
%1(s32) = G_ZEXT %0(s8)
%eax = COPY %1(s32)
RET 0, implicit %eax
...
---
name: test_copy4
# ALL-LABEL: name: test_copy4
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr16, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: gpr, preferred-register: '' }
# ALL: %0:gr16 = COPY %ax
# ALL-NEXT: %1:gr32 = MOVZX32rr16 %0
# ALL-NEXT: %eax = COPY %1
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %eax
%0(s16) = COPY %eax
%1(s32) = G_ZEXT %0(s16)
%eax = COPY %1(s32)
RET 0, implicit %eax
...
---
name: test_copy5
# ALL-LABEL: name: test_copy5
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
# ALL: %0:gr8 = COPY %dl
# ALL-NEXT: %1:gr32 = SUBREG_TO_REG 0, %0, 1
# ALL-NEXT: %eax = COPY %1
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %eax,%edx
%0(s8) = COPY %edx
%eax = COPY %0(s8)
RET 0, implicit %eax
...
---
name: test_copy6
# ALL-LABEL: name: test_copy6
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr16, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
# ALL: %0:gr16 = COPY %dx
# ALL-NEXT: %1:gr32 = SUBREG_TO_REG 0, %0, 3
# ALL-NEXT: %eax = COPY %1
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %eax,%edx
%0(s16) = COPY %edx
%eax = COPY %0(s16)
RET 0, implicit %eax
...
|
