derek.holloway
7502bf64a4
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346 lines
7.4 KiB
YAML
346 lines
7.4 KiB
YAML
# RUN: llc -ppc-asm-full-reg-names -mtriple=powerpc-ibm-aix-xcoff \
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# RUN: -run-pass=ppc-ctrloops %s -o - -verify-machineinstrs | FileCheck %s
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---
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name: test_success1
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# CHECK: test_success1
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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%0:gprc = LI 2048
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; CHECK: MTCTRloop
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; CHECK: BDNZ
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; CHECK-NOT: ADDI
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; CHECK-NOT: CMPLWI
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; CHECK-NOT: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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bb.1:
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%1:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %1:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_fail_clobber
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# CHECK: test_fail_clobber
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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%0:gprc = LI 2048
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; CHECK-NOT: MTCTRloop
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; CHECK-NOT: BDNZ
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; CHECK: ADDI
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; CHECK: CMPLWI
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; CHECK: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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bb.1:
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INLINEASM &"", sideeffect attdialect, clobber, implicit-def early-clobber $ctr
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%1:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %1:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_fail_use_in_loop
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# CHECK: test_fail_use_in_loop
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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%0:gprc = LI 2048
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; CHECK-NOT: MTCTRloop
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; CHECK-NOT: BDNZ
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; CHECK: ADDI
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; CHECK: CMPLWI
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; CHECK: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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bb.1:
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%1:gprc = MFCTR implicit $ctr
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%2:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %2:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_fail_call_in_preheader_after_mtctr
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# CHECK: test_fail_call_in_preheader_after_mtctr
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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%0:gprc = LI 2048
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; CHECK-NOT: MTCTR
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; CHECK-NOT: BDNZ
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; CHECK: ADDI
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; CHECK: CMPLWI
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; CHECK: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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BL @test_fail_use_in_loop, csr_aix32, implicit-def dead $lr, implicit $rm
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bb.1:
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%1:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %1:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_succ_call_in_preheader_before_mtctr
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# CHECK: test_succ_call_in_preheader_before_mtctr
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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%0:gprc = LI 2048
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BL @test_fail_use_in_loop, csr_aix32, implicit-def dead $lr, implicit $rm
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; CHECK: MTCTR
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; CHECK: BDNZ
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; CHECK-NOT: ADDI
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; CHECK-NOT: CMPLWI
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; CHECK-NOT: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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bb.1:
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%1:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %1:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_fail_call_in_loop
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# CHECK: test_fail_call_in_loop
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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%0:gprc = LI 2048
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; CHECK-NOT: MTCTR
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; CHECK-NOT: BDNZ
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; CHECK: ADDI
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; CHECK: CMPLWI
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; CHECK: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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bb.1:
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BL @test_fail_use_in_loop, csr_aix32, implicit-def dead $lr, implicit $rm
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%1:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %1:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_fail_indirect_call_in_loop
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# CHECK: test_fail_indirect_call_in_loop
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $r3, $r4
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%0:gprc = LI 2048
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; CHECK-NOT: MTCTR
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; CHECK-NOT: BDNZ
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; CHECK: ADDI
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; CHECK: CMPLWI
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; CHECK: BC
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renamable %1:crrc = CMPLW killed renamable $r3, killed renamable $r4
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renamable %2:crbitrc = COPY %1.sub_gt
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MTLR %0:gprc, implicit-def $lr
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MTCTRloop %0:gprc, implicit-def dead $ctr
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bb.1:
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BCLRL renamable %2, implicit $lr, implicit $rm
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%3:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %3:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_fail_livein_preheader
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# CHECK: test_fail_livein_preheader
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $ctr
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%0:gprc = LI 2048
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; CHECK-NOT: MTCTRloop
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; CHECK-NOT: BDNZ
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; CHECK: ADDI
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; CHECK: CMPLWI
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; CHECK: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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bb.1:
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%1:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %1:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_fail_def_preheader
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# CHECK: test_fail_def_preheader
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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INLINEASM &"", sideeffect attdialect, clobber, implicit-def early-clobber $ctr
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%0:gprc = LI 2048
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; CHECK-NOT: MTCTRloop
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; CHECK-NOT: BDNZ
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; CHECK: ADDI
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; CHECK: CMPLWI
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; CHECK: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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bb.1:
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%1:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %1:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_success_only_use_preheader
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# CHECK: test_success_only_use_preheader
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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%0:gprc = MFCTR implicit $ctr
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%1:gprc = LI 2048
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; CHECK: MTCTRloop
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; CHECK: BDNZ
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; CHECK-NOT: ADDI
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; CHECK-NOT: CMPLWI
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; CHECK-NOT: BC
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MTCTRloop killed %1:gprc, implicit-def dead $ctr
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bb.1:
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%2:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %2:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_fail_use_after_mtctr
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# CHECK: test_fail_use_after_mtctr
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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%0:gprc = LI 2048
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; CHECK-NOT: MTCTRloop
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; CHECK-NOT: BDNZ
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; CHECK: ADDI
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; CHECK: CMPLWI
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; CHECK: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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%1:gprc = MFCTR implicit $ctr
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bb.1:
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%2:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %2:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_fail_def_after_mtctr
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# CHECK: test_fail_def_after_mtctr
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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%0:gprc = LI 2048
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; CHECK-NOT: MTCTRloop
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; CHECK-NOT: BDNZ
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; CHECK: ADDI
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; CHECK: CMPLWI
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; CHECK: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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INLINEASM &"", sideeffect attdialect, clobber, implicit-def early-clobber $ctr
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bb.1:
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%2:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %2:crbitrc, %bb.1
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B %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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...
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---
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name: test_success_def_after_loop
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# CHECK: test_success_def_after_loop
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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%0:gprc = LI 2048
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; CHECK: MTCTRloop
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; CHECK: BDNZ
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; CHECK-NOT: ADDI
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; CHECK-NOT: CMPLWI
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; CHECK-NOT: BC
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MTCTRloop killed %0:gprc, implicit-def dead $ctr
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bb.1:
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%2:crbitrc = DecreaseCTRloop 1, implicit-def dead $ctr, implicit $ctr
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BC killed %2:crbitrc, %bb.1
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B %bb.2
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bb.2:
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INLINEASM &"", sideeffect attdialect, clobber, implicit-def early-clobber $ctr
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BLR implicit $lr, implicit $rm
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...
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