476 lines
13 KiB
YAML
476 lines
13 KiB
YAML
# RUN: llc -mtriple=aarch64--linux-gnu -mattr=+sve -run-pass=peephole-opt -verify-machineinstrs %s -o - | FileCheck %s
|
|
|
|
# Test instruction sequences where PTEST is redundant and thus gets removed.
|
|
---
|
|
name: whilegt_b8_s32
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr32 }
|
|
- { id: 1, class: gpr32 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: gpr32 }
|
|
- { id: 5, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$w0', virtual-reg: '%0' }
|
|
- { reg: '$w1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1
|
|
|
|
; Here we check the expected sequence with subsequent tests
|
|
; just asserting there is no PTEST instruction.
|
|
;
|
|
; CHECK-LABEL: name: whilegt_b8_s32
|
|
; CHECK: %3:ppr = WHILEGT_PWW_B %0, %1, implicit-def $nzcv
|
|
; CHECK-NEXT: %4:gpr32 = COPY $wzr
|
|
; CHECK-NEXT: %5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
%1:gpr32 = COPY $w1
|
|
%0:gpr32 = COPY $w0
|
|
%2:ppr = PTRUE_B 31
|
|
%3:ppr = WHILEGT_PWW_B %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP killed %2, killed %3, implicit-def $nzcv
|
|
%4:gpr32 = COPY $wzr
|
|
%5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %5
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b8_s64
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr64 }
|
|
- { id: 1, class: gpr64 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: gpr32 }
|
|
- { id: 5, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$x0', virtual-reg: '%0' }
|
|
- { reg: '$x1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1
|
|
|
|
; CHECK-LABEL: name: whilegt_b8_s64
|
|
; CHECK-NOT: PTEST
|
|
%1:gpr64 = COPY $x1
|
|
%0:gpr64 = COPY $x0
|
|
%2:ppr = PTRUE_B 31
|
|
%3:ppr = WHILEGT_PXX_B %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP killed %2, killed %3, implicit-def $nzcv
|
|
%4:gpr32 = COPY $wzr
|
|
%5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %5
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b16_s32
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr32 }
|
|
- { id: 1, class: gpr32 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: ppr }
|
|
- { id: 5, class: ppr }
|
|
- { id: 6, class: gpr32 }
|
|
- { id: 7, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$w0', virtual-reg: '%0' }
|
|
- { reg: '$w1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: whilegt_b16_s32
|
|
; CHECK-NOT: PTEST
|
|
%1:gpr32 = COPY $w1
|
|
%0:gpr32 = COPY $w0
|
|
%2:ppr = PTRUE_H 31
|
|
%4:ppr = WHILEGT_PWW_H %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP %2, %4, implicit-def $nzcv
|
|
%6:gpr32 = COPY $wzr
|
|
%7:gpr32 = CSINCWr %6, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %7
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b16_s64
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr64 }
|
|
- { id: 1, class: gpr64 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: ppr }
|
|
- { id: 5, class: ppr }
|
|
- { id: 6, class: gpr32 }
|
|
- { id: 7, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$x0', virtual-reg: '%0' }
|
|
- { reg: '$x1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1
|
|
|
|
; CHECK-LABEL: name: whilegt_b16_s64
|
|
; CHECK-NOT: PTEST
|
|
%1:gpr64 = COPY $x1
|
|
%0:gpr64 = COPY $x0
|
|
%2:ppr = PTRUE_H 31
|
|
%4:ppr = WHILEGT_PXX_H %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP %2, %4, implicit-def $nzcv
|
|
%6:gpr32 = COPY $wzr
|
|
%7:gpr32 = CSINCWr %6, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %7
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b32_s32
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr32 }
|
|
- { id: 1, class: gpr32 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: ppr }
|
|
- { id: 5, class: ppr }
|
|
- { id: 6, class: gpr32 }
|
|
- { id: 7, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$w0', virtual-reg: '%0' }
|
|
- { reg: '$w1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: whilegt_b32_s32
|
|
; CHECK-NOT: PTEST
|
|
%1:gpr32 = COPY $w1
|
|
%0:gpr32 = COPY $w0
|
|
%2:ppr = PTRUE_S 31
|
|
%4:ppr = WHILEGT_PWW_S %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP %2, %4, implicit-def $nzcv
|
|
%6:gpr32 = COPY $wzr
|
|
%7:gpr32 = CSINCWr %6, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %7
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b32_s64
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr64 }
|
|
- { id: 1, class: gpr64 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: ppr }
|
|
- { id: 5, class: ppr }
|
|
- { id: 6, class: gpr32 }
|
|
- { id: 7, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$x0', virtual-reg: '%0' }
|
|
- { reg: '$x1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1
|
|
|
|
; CHECK-LABEL: name: whilegt_b32_s64
|
|
; CHECK-NOT: PTEST
|
|
%1:gpr64 = COPY $x1
|
|
%0:gpr64 = COPY $x0
|
|
%2:ppr = PTRUE_S 31
|
|
%4:ppr = WHILEGT_PXX_S %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP %2, %4, implicit-def $nzcv
|
|
%6:gpr32 = COPY $wzr
|
|
%7:gpr32 = CSINCWr %6, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %7
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b64_s32
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr32 }
|
|
- { id: 1, class: gpr32 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: ppr }
|
|
- { id: 5, class: ppr }
|
|
- { id: 6, class: gpr32 }
|
|
- { id: 7, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$w0', virtual-reg: '%0' }
|
|
- { reg: '$w1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: whilegt_b64_s32
|
|
; CHECK-NOT: PTEST
|
|
%1:gpr32 = COPY $w1
|
|
%0:gpr32 = COPY $w0
|
|
%2:ppr = PTRUE_D 31
|
|
%4:ppr = WHILEGT_PWW_D %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP %2, %4, implicit-def $nzcv
|
|
%6:gpr32 = COPY $wzr
|
|
%7:gpr32 = CSINCWr %6, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %7
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b64_s64
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr64 }
|
|
- { id: 1, class: gpr64 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: ppr }
|
|
- { id: 5, class: ppr }
|
|
- { id: 6, class: gpr32 }
|
|
- { id: 7, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$x0', virtual-reg: '%0' }
|
|
- { reg: '$x1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1
|
|
|
|
; CHECK-LABEL: name: whilegt_b64_s64
|
|
; CHECK-NOT: PTEST
|
|
%1:gpr64 = COPY $x1
|
|
%0:gpr64 = COPY $x0
|
|
%2:ppr = PTRUE_D 31
|
|
%4:ppr = WHILEGT_PXX_D %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP %2, %4, implicit-def $nzcv
|
|
%6:gpr32 = COPY $wzr
|
|
%7:gpr32 = CSINCWr %6, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %7
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b16_s64_keep_ptest_not_all_active
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr64 }
|
|
- { id: 1, class: gpr64 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: gpr32 }
|
|
- { id: 5, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$x0', virtual-reg: '%0' }
|
|
- { reg: '$x1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1
|
|
|
|
; PTEST is not redundant when it's Pg operand is not an all active predicate
|
|
; of element size matching the WHILEGT, which is the implicitly predicate
|
|
; used by WHILE when calculating the condition codes.
|
|
;
|
|
; CHECK-LABEL: name: whilegt_b16_s64_keep_ptest_not_all_active
|
|
; CHECK: %3:ppr = WHILEGT_PXX_H %0, %1, implicit-def dead $nzcv
|
|
; CHECK-NEXT: PTEST_PP killed %2, killed %3, implicit-def $nzcv
|
|
; CHECK-NEXT: %4:gpr32 = COPY $wzr
|
|
; CHECK-NEXT: %5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
%1:gpr64 = COPY $x1
|
|
%0:gpr64 = COPY $x0
|
|
%2:ppr = PTRUE_H 1
|
|
%3:ppr = WHILEGT_PXX_H %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP killed %2, killed %3, implicit-def $nzcv
|
|
%4:gpr32 = COPY $wzr
|
|
%5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %5
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b16_s64_keep_ptest_of_bytes
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr64 }
|
|
- { id: 1, class: gpr64 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: gpr32 }
|
|
- { id: 5, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$x0', virtual-reg: '%0' }
|
|
- { reg: '$x1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1
|
|
|
|
; PTEST is not redundant when it's Pg operand is not an all active predicate
|
|
; of element size matching the WHILEGT, which is the implicitly predicate
|
|
; used by WHILE when calculating the condition codes.
|
|
;
|
|
; CHECK-LABEL: name: whilegt_b16_s64_keep_ptest_of_bytes
|
|
; CHECK: %3:ppr = WHILEGT_PXX_H %0, %1, implicit-def dead $nzcv
|
|
; CHECK-NEXT: PTEST_PP killed %2, killed %3, implicit-def $nzcv
|
|
; CHECK-NEXT: %4:gpr32 = COPY $wzr
|
|
; CHECK-NEXT: %5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
%1:gpr64 = COPY $x1
|
|
%0:gpr64 = COPY $x0
|
|
%2:ppr = PTRUE_B 31
|
|
%3:ppr = WHILEGT_PXX_H %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP killed %2, killed %3, implicit-def $nzcv
|
|
%4:gpr32 = COPY $wzr
|
|
%5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %5
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b16_s64_keep_ptest_of_words
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr64 }
|
|
- { id: 1, class: gpr64 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: gpr32 }
|
|
- { id: 5, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$x0', virtual-reg: '%0' }
|
|
- { reg: '$x1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1
|
|
|
|
; PTEST is not redundant when it's Pg operand is not an all active predicate
|
|
; of element size matching the WHILEGT, which is the implicitly predicate
|
|
; used by WHILE when calculating the condition codes.
|
|
;
|
|
; CHECK-LABEL: name: whilegt_b16_s64_keep_ptest_of_words
|
|
; CHECK: %3:ppr = WHILEGT_PXX_H %0, %1, implicit-def dead $nzcv
|
|
; CHECK-NEXT: PTEST_PP killed %2, killed %3, implicit-def $nzcv
|
|
; CHECK-NEXT: %4:gpr32 = COPY $wzr
|
|
; CHECK-NEXT: %5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
%1:gpr64 = COPY $x1
|
|
%0:gpr64 = COPY $x0
|
|
%2:ppr = PTRUE_S 31
|
|
%3:ppr = WHILEGT_PXX_H %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP killed %2, killed %3, implicit-def $nzcv
|
|
%4:gpr32 = COPY $wzr
|
|
%5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %5
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b16_s64_keep_ptest_of_doublewords
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr64 }
|
|
- { id: 1, class: gpr64 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: ppr }
|
|
- { id: 4, class: gpr32 }
|
|
- { id: 5, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$x0', virtual-reg: '%0' }
|
|
- { reg: '$x1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1
|
|
|
|
; PTEST is not redundant when it's Pg operand is not an all active predicate
|
|
; of element size matching the WHILEGT, which is the implicitly predicate
|
|
; used by WHILE when calculating the condition codes.
|
|
;
|
|
; CHECK-LABEL: name: whilegt_b16_s64_keep_ptest_of_doublewords
|
|
; CHECK: %3:ppr = WHILEGT_PXX_H %0, %1, implicit-def dead $nzcv
|
|
; CHECK-NEXT: PTEST_PP killed %2, killed %3, implicit-def $nzcv
|
|
; CHECK-NEXT: %4:gpr32 = COPY $wzr
|
|
; CHECK-NEXT: %5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
%1:gpr64 = COPY $x1
|
|
%0:gpr64 = COPY $x0
|
|
%2:ppr = PTRUE_D 31
|
|
%3:ppr = WHILEGT_PXX_H %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP killed %2, killed %3, implicit-def $nzcv
|
|
%4:gpr32 = COPY $wzr
|
|
%5:gpr32 = CSINCWr %4, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %5
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: whilegt_b8_s32_ptest_with_matching_operands
|
|
alignment: 2
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gpr32 }
|
|
- { id: 1, class: gpr32 }
|
|
- { id: 2, class: ppr }
|
|
- { id: 3, class: gpr32 }
|
|
- { id: 4, class: gpr32 }
|
|
liveins:
|
|
- { reg: '$w0', virtual-reg: '%0' }
|
|
- { reg: '$w1', virtual-reg: '%1' }
|
|
frameInfo:
|
|
maxCallFrameSize: 0
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: whilegt_b8_s32_ptest_with_matching_operands
|
|
; CHECK-NOT: PTEST
|
|
%1:gpr32 = COPY $w1
|
|
%0:gpr32 = COPY $w0
|
|
%2:ppr = WHILEGT_PWW_B %0, %1, implicit-def dead $nzcv
|
|
PTEST_PP %2, killed %2, implicit-def $nzcv
|
|
%3:gpr32 = COPY $wzr
|
|
%4:gpr32 = CSINCWr %3, $wzr, 0, implicit $nzcv
|
|
$w0 = COPY %4
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|