178 lines
5.3 KiB
Plaintext
178 lines
5.3 KiB
Plaintext
|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
|
||
|
|
|
||
|
|
# RUN: llc -mtriple aarch64 -debugify-and-strip-all-safe -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: fold_scalar
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $w0, $w1
|
||
|
|
; (xor (and x, y), y) -> (and (not x), y)
|
||
|
|
; CHECK-LABEL: name: fold_scalar
|
||
|
|
; CHECK: liveins: $w0, $w1
|
||
|
|
; CHECK: %x:_(s32) = COPY $w0
|
||
|
|
; CHECK: %y:_(s32) = COPY $w1
|
||
|
|
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
|
||
|
|
; CHECK: [[XOR:%[0-9]+]]:_(s32) = G_XOR %x, [[C]]
|
||
|
|
; CHECK: %xor:_(s32) = G_AND [[XOR]], %y
|
||
|
|
; CHECK: $w0 = COPY %xor(s32)
|
||
|
|
; CHECK: RET_ReallyLR implicit $w0
|
||
|
|
%x:_(s32) = COPY $w0
|
||
|
|
%y:_(s32) = COPY $w1
|
||
|
|
%and:_(s32) = G_AND %x, %y
|
||
|
|
%xor:_(s32) = G_XOR %and, %y
|
||
|
|
$w0 = COPY %xor(s32)
|
||
|
|
RET_ReallyLR implicit $w0
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: fold_vector
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $x0, $x1
|
||
|
|
; Vector edition
|
||
|
|
; CHECK-LABEL: name: fold_vector
|
||
|
|
; CHECK: liveins: $x0, $x1
|
||
|
|
; CHECK: %x:_(<2 x s32>) = COPY $x0
|
||
|
|
; CHECK: %y:_(<2 x s32>) = COPY $x1
|
||
|
|
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
|
||
|
|
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32)
|
||
|
|
; CHECK: [[XOR:%[0-9]+]]:_(<2 x s32>) = G_XOR %x, [[BUILD_VECTOR]]
|
||
|
|
; CHECK: %xor:_(<2 x s32>) = G_AND [[XOR]], %y
|
||
|
|
; CHECK: $x0 = COPY %xor(<2 x s32>)
|
||
|
|
; CHECK: RET_ReallyLR implicit $x0
|
||
|
|
%x:_(<2 x s32>) = COPY $x0
|
||
|
|
%y:_(<2 x s32>) = COPY $x1
|
||
|
|
%and:_(<2 x s32>) = G_AND %x, %y
|
||
|
|
%xor:_(<2 x s32>) = G_XOR %and, %y
|
||
|
|
$x0 = COPY %xor(<2 x s32>)
|
||
|
|
RET_ReallyLR implicit $x0
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: fold_commuted_and
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $w0, $w1
|
||
|
|
; (xor (and y, x), y) -> (and (not x), y)
|
||
|
|
; CHECK-LABEL: name: fold_commuted_and
|
||
|
|
; CHECK: liveins: $w0, $w1
|
||
|
|
; CHECK: %x:_(s32) = COPY $w0
|
||
|
|
; CHECK: %y:_(s32) = COPY $w1
|
||
|
|
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
|
||
|
|
; CHECK: [[XOR:%[0-9]+]]:_(s32) = G_XOR %x, [[C]]
|
||
|
|
; CHECK: %xor:_(s32) = G_AND [[XOR]], %y
|
||
|
|
; CHECK: $w0 = COPY %xor(s32)
|
||
|
|
; CHECK: RET_ReallyLR implicit $w0
|
||
|
|
%x:_(s32) = COPY $w0
|
||
|
|
%y:_(s32) = COPY $w1
|
||
|
|
%and:_(s32) = G_AND %y, %x
|
||
|
|
%xor:_(s32) = G_XOR %and, %y
|
||
|
|
$w0 = COPY %xor(s32)
|
||
|
|
RET_ReallyLR implicit $w0
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: fold_commuted_xor
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $w0, $w1
|
||
|
|
; (xor y, (and x, y)) -> (and (not x), y)
|
||
|
|
; CHECK-LABEL: name: fold_commuted_xor
|
||
|
|
; CHECK: liveins: $w0, $w1
|
||
|
|
; CHECK: %x:_(s32) = COPY $w0
|
||
|
|
; CHECK: %y:_(s32) = COPY $w1
|
||
|
|
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
|
||
|
|
; CHECK: [[XOR:%[0-9]+]]:_(s32) = G_XOR %x, [[C]]
|
||
|
|
; CHECK: %xor:_(s32) = G_AND [[XOR]], %y
|
||
|
|
; CHECK: $w0 = COPY %xor(s32)
|
||
|
|
; CHECK: RET_ReallyLR implicit $w0
|
||
|
|
%x:_(s32) = COPY $w0
|
||
|
|
%y:_(s32) = COPY $w1
|
||
|
|
%and:_(s32) = G_AND %x, %y
|
||
|
|
%xor:_(s32) = G_XOR %y, %and
|
||
|
|
$w0 = COPY %xor(s32)
|
||
|
|
RET_ReallyLR implicit $w0
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: fold_commuted_xor_and
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $w0, $w1
|
||
|
|
; (xor y, (and x, y)) -> (and (not x), y)
|
||
|
|
; CHECK-LABEL: name: fold_commuted_xor_and
|
||
|
|
; CHECK: liveins: $w0, $w1
|
||
|
|
; CHECK: %x:_(s32) = COPY $w0
|
||
|
|
; CHECK: %y:_(s32) = COPY $w1
|
||
|
|
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
|
||
|
|
; CHECK: [[XOR:%[0-9]+]]:_(s32) = G_XOR %x, [[C]]
|
||
|
|
; CHECK: %xor:_(s32) = G_AND [[XOR]], %y
|
||
|
|
; CHECK: $w0 = COPY %xor(s32)
|
||
|
|
; CHECK: RET_ReallyLR implicit $w0
|
||
|
|
%x:_(s32) = COPY $w0
|
||
|
|
%y:_(s32) = COPY $w1
|
||
|
|
%and:_(s32) = G_AND %y, %x
|
||
|
|
%xor:_(s32) = G_XOR %y, %and
|
||
|
|
$w0 = COPY %xor(s32)
|
||
|
|
RET_ReallyLR implicit $w0
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: dont_fold_different_regs
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $w0, $w1, $w2
|
||
|
|
; The G_AND does not share any registers with the G_XOR
|
||
|
|
; CHECK-LABEL: name: dont_fold_different_regs
|
||
|
|
; CHECK: liveins: $w0, $w1, $w2
|
||
|
|
; CHECK: %x:_(s32) = COPY $w0
|
||
|
|
; CHECK: %y:_(s32) = COPY $w1
|
||
|
|
; CHECK: %z:_(s32) = COPY $w2
|
||
|
|
; CHECK: %and:_(s32) = G_AND %x, %z
|
||
|
|
; CHECK: %xor:_(s32) = G_XOR %and, %y
|
||
|
|
; CHECK: $w0 = COPY %xor(s32)
|
||
|
|
; CHECK: RET_ReallyLR implicit $w0
|
||
|
|
%x:_(s32) = COPY $w0
|
||
|
|
%y:_(s32) = COPY $w1
|
||
|
|
%z:_(s32) = COPY $w2
|
||
|
|
%and:_(s32) = G_AND %x, %z
|
||
|
|
%xor:_(s32) = G_XOR %and, %y
|
||
|
|
$w0 = COPY %xor(s32)
|
||
|
|
RET_ReallyLR implicit $w0
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: dont_fold_more_than_one_use
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $w0, $w1, $w2
|
||
|
|
; Don't fold when the G_AND is used outside the G_XOR.
|
||
|
|
;
|
||
|
|
; CHECK-LABEL: name: dont_fold_more_than_one_use
|
||
|
|
; CHECK: liveins: $w0, $w1, $w2
|
||
|
|
; CHECK: %x:_(s32) = COPY $w0
|
||
|
|
; CHECK: %y:_(s32) = COPY $w1
|
||
|
|
; CHECK: %z:_(s32) = COPY $w2
|
||
|
|
; CHECK: %and:_(s32) = G_AND %x, %z
|
||
|
|
; CHECK: %xor:_(s32) = G_XOR %and, %y
|
||
|
|
; CHECK: %add:_(s32) = G_ADD %and, %xor
|
||
|
|
; CHECK: $w0 = COPY %add(s32)
|
||
|
|
; CHECK: RET_ReallyLR implicit $w0
|
||
|
|
%x:_(s32) = COPY $w0
|
||
|
|
%y:_(s32) = COPY $w1
|
||
|
|
%z:_(s32) = COPY $w2
|
||
|
|
%and:_(s32) = G_AND %x, %z
|
||
|
|
%xor:_(s32) = G_XOR %and, %y
|
||
|
|
%add:_(s32) = G_ADD %and, %xor
|
||
|
|
$w0 = COPY %add(s32)
|
||
|
|
RET_ReallyLR implicit $w0
|