17f3e00911
The increase in fallbacks that was previously reported were not caused by this change. Original description: This matches InstCombine and DAGCombine. RISC-V only has an ADDI instruction so without this we need additional patterns to do the conversion. Some of the AMDGPU tests look like possible regressions. Maybe some patterns from isel aren't imported.
370 lines
9.7 KiB
YAML
370 lines
9.7 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
|
|
# RUN: llc -mtriple aarch64 -run-pass=aarch64-prelegalizer-combiner %s -o - | FileCheck %s
|
|
|
|
|
|
---
|
|
name: ZeroMinusAPlusB
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: ZeroMinusAPlusB
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %a:_(s32) = COPY $w0
|
|
; CHECK-NEXT: %b:_(s32) = COPY $w0
|
|
; CHECK-NEXT: %add:_(s32) = G_SUB %b, %a
|
|
; CHECK-NEXT: $w0 = COPY %add(s32)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $w0
|
|
%x:_(s32) = COPY $w0
|
|
%a:_(s32) = COPY $w0
|
|
%b:_(s32) = COPY $w0
|
|
%zero:_(s32) = G_CONSTANT i32 0
|
|
%sub:_(s32) = G_SUB %zero, %a
|
|
%add:_(s32) = G_ADD %sub, %b
|
|
$w0 = COPY %add
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: ZeroMinusAPlusB_multi_use
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: ZeroMinusAPlusB_multi_use
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %a:_(s32) = COPY $w0
|
|
; CHECK-NEXT: %b:_(s32) = COPY $w0
|
|
; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
|
|
; CHECK-NEXT: %sub:_(s32) = G_SUB %zero, %a
|
|
; CHECK-NEXT: %add:_(s32) = G_SUB %b, %a
|
|
; CHECK-NEXT: $w0 = COPY %add(s32)
|
|
; CHECK-NEXT: $w0 = COPY %sub(s32)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $w0
|
|
%x:_(s32) = COPY $w0
|
|
%a:_(s32) = COPY $w0
|
|
%b:_(s32) = COPY $w0
|
|
%zero:_(s32) = G_CONSTANT i32 0
|
|
%sub:_(s32) = G_SUB %zero, %a
|
|
%add:_(s32) = G_ADD %sub, %b
|
|
$w0 = COPY %add
|
|
$w0 = COPY %sub
|
|
RET_ReallyLR implicit $w0
|
|
|
|
...
|
|
---
|
|
name: APlusZeroMiunusB
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: APlusZeroMiunusB
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %a:_(s64) = COPY $x1
|
|
; CHECK-NEXT: %b:_(s64) = COPY $x2
|
|
; CHECK-NEXT: %add:_(s64) = G_SUB %a, %b
|
|
; CHECK-NEXT: $x0 = COPY %add(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%x:_(s64) = COPY $x0
|
|
%a:_(s64) = COPY $x1
|
|
%b:_(s64) = COPY $x2
|
|
%zero:_(s64) = G_CONSTANT i64 0
|
|
%sub:_(s64) = G_SUB %zero, %b
|
|
%add:_(s64) = G_ADD %a, %sub
|
|
$x0 = COPY %add
|
|
RET_ReallyLR implicit $x0
|
|
|
|
...
|
|
---
|
|
name: APlusBMinusB
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: APlusBMinusB
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %b:_(s64) = COPY $x1
|
|
; CHECK-NEXT: $x0 = COPY %b(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%b:_(s64) = COPY $x1
|
|
%zero:_(s64) = G_CONSTANT i64 0
|
|
%sub:_(s64) = G_SUB %b, %a
|
|
%add:_(s64) = G_ADD %a, %sub
|
|
$x0 = COPY %add
|
|
RET_ReallyLR implicit $x0
|
|
|
|
...
|
|
---
|
|
name: BMinusAPlusA
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: BMinusAPlusA
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %b:_(s64) = COPY $x1
|
|
; CHECK-NEXT: $x0 = COPY %b(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%b:_(s64) = COPY $x1
|
|
%zero:_(s64) = G_CONSTANT i64 0
|
|
%sub:_(s64) = G_SUB %b, %a
|
|
%add:_(s64) = G_ADD %sub, %a
|
|
$x0 = COPY %add
|
|
RET_ReallyLR implicit $x0
|
|
|
|
...
|
|
---
|
|
name: AMinusBPlusCMinusA
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: AMinusBPlusCMinusA
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %b:_(s64) = COPY $x1
|
|
; CHECK-NEXT: %c:_(s64) = COPY $x2
|
|
; CHECK-NEXT: %add:_(s64) = G_SUB %c, %b
|
|
; CHECK-NEXT: $x0 = COPY %add(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%b:_(s64) = COPY $x1
|
|
%c:_(s64) = COPY $x2
|
|
%zero:_(s64) = G_CONSTANT i64 0
|
|
%sub2:_(s64) = G_SUB %c, %a
|
|
%sub1:_(s64) = G_SUB %a, %b
|
|
%add:_(s64) = G_ADD %sub1, %sub2
|
|
$x0 = COPY %add
|
|
RET_ReallyLR implicit $x0
|
|
|
|
...
|
|
---
|
|
name: AMinusBPlusBMinusC
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: AMinusBPlusBMinusC
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %a:_(s64) = COPY $x0
|
|
; CHECK-NEXT: %c:_(s64) = COPY $x2
|
|
; CHECK-NEXT: %add:_(s64) = G_SUB %a, %c
|
|
; CHECK-NEXT: $x0 = COPY %add(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%b:_(s64) = COPY $x1
|
|
%c:_(s64) = COPY $x2
|
|
%zero:_(s64) = G_CONSTANT i64 0
|
|
%sub2:_(s64) = G_SUB %b, %c
|
|
%sub1:_(s64) = G_SUB %a, %b
|
|
%add:_(s64) = G_ADD %sub1, %sub2
|
|
$x0 = COPY %add
|
|
RET_ReallyLR implicit $x0
|
|
|
|
|
|
...
|
|
---
|
|
name: APlusBMinusAplusC
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: APlusBMinusAplusC
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %b:_(s64) = COPY $x1
|
|
; CHECK-NEXT: %c:_(s64) = COPY $x2
|
|
; CHECK-NEXT: %add:_(s64) = G_SUB %b, %c
|
|
; CHECK-NEXT: $x0 = COPY %add(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%b:_(s64) = COPY $x1
|
|
%c:_(s64) = COPY $x2
|
|
%zero:_(s64) = G_CONSTANT i64 0
|
|
%add1:_(s64) = G_ADD %a, %c
|
|
%sub1:_(s64) = G_SUB %b, %add1
|
|
%add:_(s64) = G_ADD %a, %sub1
|
|
$x0 = COPY %add
|
|
RET_ReallyLR implicit $x0
|
|
|
|
...
|
|
---
|
|
name: APlusBMinusCPlusA
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: APlusBMinusCPlusA
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %b:_(s64) = COPY $x1
|
|
; CHECK-NEXT: %c:_(s64) = COPY $x2
|
|
; CHECK-NEXT: %add:_(s64) = G_SUB %b, %c
|
|
; CHECK-NEXT: $x0 = COPY %add(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%b:_(s64) = COPY $x1
|
|
%c:_(s64) = COPY $x2
|
|
%zero:_(s64) = G_CONSTANT i64 0
|
|
%add1:_(s64) = G_ADD %c, %a
|
|
%sub1:_(s64) = G_SUB %b, %add1
|
|
%add:_(s64) = G_ADD %a, %sub1
|
|
$x0 = COPY %add
|
|
RET_ReallyLR implicit $x0
|
|
|
|
...
|
|
---
|
|
name: APlusBMinusCPlusA_BV
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: APlusBMinusCPlusA_BV
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %a1:_(s64) = COPY $x0
|
|
; CHECK-NEXT: %b1:_(s64) = COPY $x1
|
|
; CHECK-NEXT: %c1:_(s64) = COPY $x2
|
|
; CHECK-NEXT: %b:_(<2 x s64>) = G_BUILD_VECTOR %b1(s64), %ba:_(s64)
|
|
; CHECK-NEXT: %c:_(<2 x s64>) = G_BUILD_VECTOR %a1(s64), %c1(s64)
|
|
; CHECK-NEXT: %add:_(<2 x s64>) = G_SUB %b, %c
|
|
; CHECK-NEXT: $q0 = COPY %add(<2 x s64>)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a1:_(s64) = COPY $x0
|
|
%b1:_(s64) = COPY $x1
|
|
%c1:_(s64) = COPY $x2
|
|
%a:_(<2 x s64>) = G_BUILD_VECTOR %a1:_(s64), %b1:_(s64)
|
|
%b:_(<2 x s64>) = G_BUILD_VECTOR %b1:_(s64), %ba:_(s64)
|
|
%c:_(<2 x s64>) = G_BUILD_VECTOR %a1:_(s64), %c1:_(s64)
|
|
%zero:_(s64) = G_CONSTANT i64 0
|
|
%add1:_(<2 x s64>) = G_ADD %c, %a
|
|
%sub1:_(<2 x s64>) = G_SUB %b, %add1
|
|
%add:_(<2 x s64>) = G_ADD %a, %sub1
|
|
$q0 = COPY %add
|
|
RET_ReallyLR implicit $x0
|
|
|
|
...
|
|
---
|
|
name: APlusC1MinusC2
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: APlusC1MinusC2
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %a:_(s64) = COPY $x0
|
|
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -2
|
|
; CHECK-NEXT: %sub:_(s64) = G_ADD %a, [[C]]
|
|
; CHECK-NEXT: $x0 = COPY %sub(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%c1:_(s64) = G_CONSTANT i64 5
|
|
%c2:_(s64) = G_CONSTANT i64 7
|
|
%add:_(s64) = G_ADD %a, %c1
|
|
%sub:_(s64) = G_SUB %add, %c2
|
|
$x0 = COPY %sub
|
|
RET_ReallyLR implicit $x0
|
|
|
|
...
|
|
---
|
|
name: C2MinusAPlusC1
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: C2MinusAPlusC1
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %a:_(s64) = COPY $x0
|
|
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
|
|
; CHECK-NEXT: %sub:_(s64) = G_SUB [[C]], %a
|
|
; CHECK-NEXT: $x0 = COPY %sub(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%c1:_(s64) = G_CONSTANT i64 4
|
|
%c2:_(s64) = G_CONSTANT i64 9
|
|
%add:_(s64) = G_ADD %a, %c1
|
|
%sub:_(s64) = G_SUB %c2, %add
|
|
$x0 = COPY %sub
|
|
RET_ReallyLR implicit $x0
|
|
|
|
...
|
|
---
|
|
name: AMinusC1MinusC2
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: AMinusC1MinusC2
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %a:_(s64) = COPY $x0
|
|
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -71
|
|
; CHECK-NEXT: %sub:_(s64) = G_ADD %a, [[C]]
|
|
; CHECK-NEXT: $x0 = COPY %sub(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%c1:_(s64) = G_CONSTANT i64 11
|
|
%c2:_(s64) = G_CONSTANT i64 60
|
|
%sub1:_(s64) = G_SUB %a, %c1
|
|
%sub:_(s64) = G_SUB %sub1, %c2
|
|
$x0 = COPY %sub
|
|
RET_ReallyLR implicit $x0
|
|
|
|
...
|
|
---
|
|
name: C1Minus2MinusC2
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: C1Minus2MinusC2
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %a:_(s64) = COPY $x0
|
|
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -49
|
|
; CHECK-NEXT: %sub:_(s64) = G_SUB [[C]], %a
|
|
; CHECK-NEXT: $x0 = COPY %sub(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%c1:_(s64) = G_CONSTANT i64 11
|
|
%c2:_(s64) = G_CONSTANT i64 60
|
|
%sub1:_(s64) = G_SUB %c1, %a
|
|
%sub:_(s64) = G_SUB %sub1, %c2
|
|
$x0 = COPY %sub
|
|
RET_ReallyLR implicit $x0
|
|
|
|
|
|
...
|
|
---
|
|
name: AMinusC2PlusC2
|
|
body: |
|
|
bb.0:
|
|
liveins: $w0, $w1
|
|
|
|
; CHECK-LABEL: name: AMinusC2PlusC2
|
|
; CHECK: liveins: $w0, $w1
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: %a:_(s64) = COPY $x0
|
|
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 43
|
|
; CHECK-NEXT: %add:_(s64) = G_ADD %a, [[C]]
|
|
; CHECK-NEXT: $x0 = COPY %add(s64)
|
|
; CHECK-NEXT: RET_ReallyLR implicit $x0
|
|
%a:_(s64) = COPY $x0
|
|
%c1:_(s64) = G_CONSTANT i64 13
|
|
%c2:_(s64) = G_CONSTANT i64 56
|
|
%sub:_(s64) = G_SUB %a, %c1
|
|
%add:_(s64) = G_ADD %sub, %c2
|
|
$x0 = COPY %add
|
|
RET_ReallyLR implicit $x0
|
|
|