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|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-unknown-unknown -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
define void @ldrxrox_breg_oreg(ptr %addr) { ret void }
define void @ldrdrox_breg_oreg(ptr %addr) { ret void }
define void @more_than_one_use(ptr %addr) { ret void }
define void @ldrxrox_shl(ptr %addr) { ret void }
define void @ldrdrox_shl(ptr %addr) { ret void }
define void @ldrxrox_mul_rhs(ptr %addr) { ret void }
define void @ldrdrox_mul_rhs(ptr %addr) { ret void }
define void @ldrxrox_mul_lhs(ptr %addr) { ret void }
define void @ldrdrox_mul_lhs(ptr %addr) { ret void }
define void @mul_not_pow_2(ptr %addr) { ret void }
define void @mul_wrong_pow_2(ptr %addr) { ret void }
define void @more_than_one_use_shl_1(ptr %addr) { ret void }
define void @more_than_one_use_shl_2(ptr %addr) { ret void }
define void @more_than_one_use_shl_lsl_fast(ptr %addr) #1 { ret void }
define void @more_than_one_use_shl_lsl_slow(ptr %addr) { ret void }
define void @more_than_one_use_shl_minsize(ptr %addr) #0 { ret void }
define void @ldrwrox(ptr %addr) { ret void }
define void @ldrsrox(ptr %addr) { ret void }
define void @ldrhrox(ptr %addr) { ret void }
define void @ldbbrox(ptr %addr) { ret void }
define void @ldrqrox(ptr %addr) { ret void }
attributes #0 = { optsize }
attributes #1 = { "target-features"="+addr-lsl-fast" }
...
---
name: ldrxrox_breg_oreg
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1
; CHECK-LABEL: name: ldrxrox_breg_oreg
; CHECK: liveins: $x0, $x1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
; CHECK-NEXT: [[LDRXroX:%[0-9]+]]:gpr64 = LDRXroX [[COPY]], [[COPY1]], 0, 0 :: (load (s64) from %ir.addr)
; CHECK-NEXT: $x0 = COPY [[LDRXroX]]
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:gpr(p0) = COPY $x0
%1:gpr(s64) = COPY $x1
%2:gpr(p0) = G_PTR_ADD %0, %1
%4:gpr(s64) = G_LOAD %2(p0) :: (load (s64) from %ir.addr)
$x0 = COPY %4(s64)
RET_ReallyLR implicit $x0
...
---
name: ldrdrox_breg_oreg
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $d0, $x1
; CHECK-LABEL: name: ldrdrox_breg_oreg
; CHECK: liveins: $d0, $x1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $d0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
; CHECK-NEXT: [[LDRDroX:%[0-9]+]]:fpr64 = LDRDroX [[COPY]], [[COPY1]], 0, 0 :: (load (s64) from %ir.addr)
; CHECK-NEXT: $d0 = COPY [[LDRDroX]]
; CHECK-NEXT: RET_ReallyLR implicit $d0
%0:gpr(p0) = COPY $d0
%1:gpr(s64) = COPY $x1
%2:gpr(p0) = G_PTR_ADD %0, %1
%4:fpr(s64) = G_LOAD %2(p0) :: (load (s64) from %ir.addr)
$d0 = COPY %4(s64)
RET_ReallyLR implicit $d0
...
---
# This shouldn't be folded, since we reuse the result of the G_PTR_ADD outside
# the G_LOAD
name: more_than_one_use
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1
; CHECK-LABEL: name: more_than_one_use
; CHECK: liveins: $x0, $x1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64common = ADDXrr [[COPY]], [[COPY1]]
; CHECK-NEXT: [[LDRXui:%[0-9]+]]:gpr64 = LDRXui [[ADDXrr]], 0 :: (load (s64) from %ir.addr)
; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr64 = COPY [[ADDXrr]]
; CHECK-NEXT: [[ADDXrr1:%[0-9]+]]:gpr64 = ADDXrr [[COPY2]], [[LDRXui]]
; CHECK-NEXT: $x0 = COPY [[ADDXrr1]]
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:gpr(p0) = COPY $x0
%1:gpr(s64) = COPY $x1
%2:gpr(p0) = G_PTR_ADD %0, %1
%4:gpr(s64) = G_LOAD %2(p0) :: (load (s64) from %ir.addr)
%5:gpr(s64) = G_PTRTOINT %2
%6:gpr(s64) = G_ADD %5, %4
$x0 = COPY %6(s64)
RET_ReallyLR implicit $x0
...
---
name: ldrxrox_shl
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $x2
; CHECK-LABEL: name: ldrxrox_shl
; CHECK: liveins: $x0, $x1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64sp = COPY $x1
; CHECK-NEXT: [[LDRXroX:%[0-9]+]]:gpr64 = LDRXroX [[COPY1]], [[COPY]], 0, 1 :: (load (s64) from %ir.addr)
; CHECK-NEXT: $x2 = COPY [[LDRXroX]]
; CHECK-NEXT: RET_ReallyLR implicit $x2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 3
%2:gpr(s64) = G_SHL %0, %1(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:gpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
$x2 = COPY %5(s64)
RET_ReallyLR implicit $x2
...
---
name: ldrdrox_shl
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $d2
; CHECK-LABEL: name: ldrdrox_shl
; CHECK: liveins: $x0, $x1, $d2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64sp = COPY $x1
; CHECK-NEXT: [[LDRDroX:%[0-9]+]]:fpr64 = LDRDroX [[COPY1]], [[COPY]], 0, 1 :: (load (s64) from %ir.addr)
; CHECK-NEXT: $d2 = COPY [[LDRDroX]]
; CHECK-NEXT: RET_ReallyLR implicit $d2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 3
%2:gpr(s64) = G_SHL %0, %1(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:fpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
$d2 = COPY %5(s64)
RET_ReallyLR implicit $d2
...
---
name: ldrxrox_mul_rhs
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $x2
; CHECK-LABEL: name: ldrxrox_mul_rhs
; CHECK: liveins: $x0, $x1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64sp = COPY $x1
; CHECK-NEXT: [[LDRXroX:%[0-9]+]]:gpr64 = LDRXroX [[COPY1]], [[COPY]], 0, 1 :: (load (s64) from %ir.addr)
; CHECK-NEXT: $x2 = COPY [[LDRXroX]]
; CHECK-NEXT: RET_ReallyLR implicit $x2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 8
%2:gpr(s64) = G_MUL %0, %1(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:gpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
$x2 = COPY %5(s64)
RET_ReallyLR implicit $x2
...
---
name: ldrdrox_mul_rhs
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $d2
; CHECK-LABEL: name: ldrdrox_mul_rhs
; CHECK: liveins: $x0, $x1, $d2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64sp = COPY $x1
; CHECK-NEXT: [[LDRDroX:%[0-9]+]]:fpr64 = LDRDroX [[COPY1]], [[COPY]], 0, 1 :: (load (s64) from %ir.addr)
; CHECK-NEXT: $d2 = COPY [[LDRDroX]]
; CHECK-NEXT: RET_ReallyLR implicit $d2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 8
%2:gpr(s64) = G_MUL %0, %1(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:fpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
$d2 = COPY %5(s64)
RET_ReallyLR implicit $d2
...
---
name: ldrxrox_mul_lhs
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $x2
; CHECK-LABEL: name: ldrxrox_mul_lhs
; CHECK: liveins: $x0, $x1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64sp = COPY $x1
; CHECK-NEXT: [[LDRXroX:%[0-9]+]]:gpr64 = LDRXroX [[COPY1]], [[COPY]], 0, 1 :: (load (s64) from %ir.addr)
; CHECK-NEXT: $x2 = COPY [[LDRXroX]]
; CHECK-NEXT: RET_ReallyLR implicit $x2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 8
%2:gpr(s64) = G_MUL %1, %0(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:gpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
$x2 = COPY %5(s64)
RET_ReallyLR implicit $x2
...
---
name: ldrdrox_mul_lhs
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $d2
; CHECK-LABEL: name: ldrdrox_mul_lhs
; CHECK: liveins: $x0, $x1, $d2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64sp = COPY $x1
; CHECK-NEXT: [[LDRDroX:%[0-9]+]]:fpr64 = LDRDroX [[COPY1]], [[COPY]], 0, 1 :: (load (s64) from %ir.addr)
; CHECK-NEXT: $d2 = COPY [[LDRDroX]]
; CHECK-NEXT: RET_ReallyLR implicit $d2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 8
%2:gpr(s64) = G_MUL %1, %0(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:fpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
$d2 = COPY %5(s64)
RET_ReallyLR implicit $d2
...
---
# Show that we don't get a shifted load from a mul when we don't have a
# power of 2. (The bit isn't set on the load.)
name: mul_not_pow_2
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $d2
; CHECK-LABEL: name: mul_not_pow_2
; CHECK: liveins: $x0, $x1, $d2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 7
; CHECK-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG 0, [[MOVi32imm]], %subreg.sub_32
; CHECK-NEXT: [[MADDXrrr:%[0-9]+]]:gpr64 = MADDXrrr [[SUBREG_TO_REG]], [[COPY]], $xzr
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64sp = COPY $x1
; CHECK-NEXT: [[LDRDroX:%[0-9]+]]:fpr64 = LDRDroX [[COPY1]], [[MADDXrrr]], 0, 0 :: (load (s64) from %ir.addr)
; CHECK-NEXT: $d2 = COPY [[LDRDroX]]
; CHECK-NEXT: RET_ReallyLR implicit $d2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 7
%2:gpr(s64) = G_MUL %1, %0(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:fpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
$d2 = COPY %5(s64)
RET_ReallyLR implicit $d2
...
---
# Show that we don't get a shifted load from a mul when we don't have
# the right power of 2. (The bit isn't set on the load.)
name: mul_wrong_pow_2
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $d2
; CHECK-LABEL: name: mul_wrong_pow_2
; CHECK: liveins: $x0, $x1, $d2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 16
; CHECK-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG 0, [[MOVi32imm]], %subreg.sub_32
; CHECK-NEXT: [[MADDXrrr:%[0-9]+]]:gpr64 = MADDXrrr [[SUBREG_TO_REG]], [[COPY]], $xzr
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64sp = COPY $x1
; CHECK-NEXT: [[LDRDroX:%[0-9]+]]:fpr64 = LDRDroX [[COPY1]], [[MADDXrrr]], 0, 0 :: (load (s64) from %ir.addr)
; CHECK-NEXT: $d2 = COPY [[LDRDroX]]
; CHECK-NEXT: RET_ReallyLR implicit $d2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 16
%2:gpr(s64) = G_MUL %1, %0(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:fpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
$d2 = COPY %5(s64)
RET_ReallyLR implicit $d2
...
---
# Show that we can still fall back to the register-register addressing
# mode when we fail to pull in the shift.
name: more_than_one_use_shl_1
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $x2
; CHECK-LABEL: name: more_than_one_use_shl_1
; CHECK: liveins: $x0, $x1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[UBFMXri:%[0-9]+]]:gpr64common = UBFMXri [[COPY]], 61, 60
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64sp = COPY $x1
; CHECK-NEXT: [[LDRXroX:%[0-9]+]]:gpr64 = LDRXroX [[COPY1]], [[UBFMXri]], 0, 0 :: (load (s64) from %ir.addr)
; CHECK-NEXT: [[ADDXri:%[0-9]+]]:gpr64common = ADDXri [[UBFMXri]], 3, 0
; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[LDRXroX]], [[ADDXri]]
; CHECK-NEXT: $x2 = COPY [[ADDXrr]]
; CHECK-NEXT: RET_ReallyLR implicit $x2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 3
%2:gpr(s64) = G_SHL %0, %1(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:gpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
%6:gpr(s64) = G_ADD %2, %1
%7:gpr(s64) = G_ADD %5, %6
$x2 = COPY %7(s64)
RET_ReallyLR implicit $x2
...
---
# Show that when the GEP is used outside a memory op, we don't do any
# folding at all.
name: more_than_one_use_shl_2
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $x2
; CHECK-LABEL: name: more_than_one_use_shl_2
; CHECK: liveins: $x0, $x1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[UBFMXri:%[0-9]+]]:gpr64common = UBFMXri [[COPY]], 61, 60
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64common = ADDXrr [[COPY1]], [[UBFMXri]]
; CHECK-NEXT: [[LDRXui:%[0-9]+]]:gpr64 = LDRXui [[ADDXrr]], 0 :: (load (s64) from %ir.addr)
; CHECK-NEXT: [[ADDXri:%[0-9]+]]:gpr64common = ADDXri [[UBFMXri]], 3, 0
; CHECK-NEXT: [[ADDXrr1:%[0-9]+]]:gpr64 = ADDXrr [[LDRXui]], [[ADDXri]]
; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr64 = COPY [[ADDXrr]]
; CHECK-NEXT: [[ADDXrr2:%[0-9]+]]:gpr64 = ADDXrr [[COPY2]], [[ADDXrr1]]
; CHECK-NEXT: $x2 = COPY [[ADDXrr2]]
; CHECK-NEXT: RET_ReallyLR implicit $x2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 3
%2:gpr(s64) = G_SHL %0, %1(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:gpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
%6:gpr(s64) = G_ADD %2, %1
%7:gpr(s64) = G_ADD %5, %6
%8:gpr(s64) = G_PTRTOINT %4
%9:gpr(s64) = G_ADD %8, %7
$x2 = COPY %9(s64)
RET_ReallyLR implicit $x2
...
---
# Show that when we have a fastpath for shift-left, we perform the folding
# if it has more than one use.
name: more_than_one_use_shl_lsl_fast
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $x2
; CHECK-LABEL: name: more_than_one_use_shl_lsl_fast
; CHECK: liveins: $x0, $x1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64sp = COPY $x1
; CHECK-NEXT: [[LDRXroX:%[0-9]+]]:gpr64 = LDRXroX [[COPY1]], [[COPY]], 0, 1 :: (load (s64) from %ir.addr)
; CHECK-NEXT: [[LDRXroX1:%[0-9]+]]:gpr64 = LDRXroX [[COPY1]], [[COPY]], 0, 1 :: (load (s64) from %ir.addr)
; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[LDRXroX]], [[LDRXroX1]]
; CHECK-NEXT: $x2 = COPY [[ADDXrr]]
; CHECK-NEXT: RET_ReallyLR implicit $x2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 3
%2:gpr(s64) = G_SHL %0, %1(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:gpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
%6:gpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
%7:gpr(s64) = G_ADD %5, %6
$x2 = COPY %7(s64)
RET_ReallyLR implicit $x2
...
---
# Show that we don't fold into multiple memory ops when we don't have a
# fastpath for shift-left.
name: more_than_one_use_shl_lsl_slow
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $x2
; CHECK-LABEL: name: more_than_one_use_shl_lsl_slow
; CHECK: liveins: $x0, $x1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
; CHECK-NEXT: [[ADDXrs:%[0-9]+]]:gpr64common = ADDXrs [[COPY1]], [[COPY]], 3
; CHECK-NEXT: [[LDRXui:%[0-9]+]]:gpr64 = LDRXui [[ADDXrs]], 0 :: (load (s64) from %ir.addr)
; CHECK-NEXT: [[LDRXui1:%[0-9]+]]:gpr64 = LDRXui [[ADDXrs]], 0 :: (load (s64) from %ir.addr)
; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[LDRXui]], [[LDRXui1]]
; CHECK-NEXT: $x2 = COPY [[ADDXrr]]
; CHECK-NEXT: RET_ReallyLR implicit $x2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 3
%2:gpr(s64) = G_SHL %0, %1(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:gpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
%6:gpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
%7:gpr(s64) = G_ADD %5, %6
$x2 = COPY %7(s64)
RET_ReallyLR implicit $x2
...
---
# Show that when we're optimizing for size, we'll do the folding no matter
# what.
name: more_than_one_use_shl_minsize
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1, $x2
; CHECK-LABEL: name: more_than_one_use_shl_minsize
; CHECK: liveins: $x0, $x1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[UBFMXri:%[0-9]+]]:gpr64common = UBFMXri [[COPY]], 61, 60
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64common = COPY $x1
; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr64 = COPY [[COPY1]]
; CHECK-NEXT: [[ADDXrs:%[0-9]+]]:gpr64 = ADDXrs [[COPY2]], [[COPY]], 3
; CHECK-NEXT: [[LDRXroX:%[0-9]+]]:gpr64 = LDRXroX [[COPY1]], [[COPY]], 0, 1 :: (load (s64) from %ir.addr)
; CHECK-NEXT: [[ADDXri:%[0-9]+]]:gpr64common = ADDXri [[UBFMXri]], 3, 0
; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[LDRXroX]], [[ADDXri]]
; CHECK-NEXT: [[ADDXrr1:%[0-9]+]]:gpr64 = ADDXrr [[ADDXrs]], [[ADDXrr]]
; CHECK-NEXT: $x2 = COPY [[ADDXrr1]]
; CHECK-NEXT: RET_ReallyLR implicit $x2
%0:gpr(s64) = COPY $x0
%1:gpr(s64) = G_CONSTANT i64 3
%2:gpr(s64) = G_SHL %0, %1(s64)
%3:gpr(p0) = COPY $x1
%4:gpr(p0) = G_PTR_ADD %3, %2
%5:gpr(s64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr)
%6:gpr(s64) = G_ADD %2, %1
%7:gpr(s64) = G_ADD %5, %6
%8:gpr(s64) = G_PTRTOINT %4
%9:gpr(s64) = G_ADD %8, %7
$x2 = COPY %9(s64)
RET_ReallyLR implicit $x2
...
---
name: ldrwrox
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1
; CHECK-LABEL: name: ldrwrox
; CHECK: liveins: $x0, $x1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
; CHECK-NEXT: [[LDRWroX:%[0-9]+]]:gpr32 = LDRWroX [[COPY]], [[COPY1]], 0, 0 :: (load (s32) from %ir.addr)
; CHECK-NEXT: $w2 = COPY [[LDRWroX]]
; CHECK-NEXT: RET_ReallyLR implicit $w2
%0:gpr(p0) = COPY $x0
%1:gpr(s64) = COPY $x1
%2:gpr(p0) = G_PTR_ADD %0, %1
%4:gpr(s32) = G_LOAD %2(p0) :: (load (s32) from %ir.addr)
$w2 = COPY %4(s32)
RET_ReallyLR implicit $w2
...
---
name: ldrsrox
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $d0, $x1
; CHECK-LABEL: name: ldrsrox
; CHECK: liveins: $d0, $x1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $d0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
; CHECK-NEXT: [[LDRSroX:%[0-9]+]]:fpr32 = LDRSroX [[COPY]], [[COPY1]], 0, 0 :: (load (s32) from %ir.addr)
; CHECK-NEXT: $s2 = COPY [[LDRSroX]]
; CHECK-NEXT: RET_ReallyLR implicit $h2
%0:gpr(p0) = COPY $d0
%1:gpr(s64) = COPY $x1
%2:gpr(p0) = G_PTR_ADD %0, %1
%4:fpr(s32) = G_LOAD %2(p0) :: (load (s32) from %ir.addr)
$s2 = COPY %4(s32)
RET_ReallyLR implicit $h2
...
---
name: ldrhrox
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1
; CHECK-LABEL: name: ldrhrox
; CHECK: liveins: $x0, $x1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
; CHECK-NEXT: [[LDRHroX:%[0-9]+]]:fpr16 = LDRHroX [[COPY]], [[COPY1]], 0, 0 :: (load (s16) from %ir.addr)
; CHECK-NEXT: $h2 = COPY [[LDRHroX]]
; CHECK-NEXT: RET_ReallyLR implicit $h2
%0:gpr(p0) = COPY $x0
%1:gpr(s64) = COPY $x1
%2:gpr(p0) = G_PTR_ADD %0, %1
%4:fpr(s16) = G_LOAD %2(p0) :: (load (s16) from %ir.addr)
$h2 = COPY %4(s16)
RET_ReallyLR implicit $h2
...
---
name: ldbbrox
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1
; CHECK-LABEL: name: ldbbrox
; CHECK: liveins: $x0, $x1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
; CHECK-NEXT: [[LDRBBroX:%[0-9]+]]:gpr32 = LDRBBroX [[COPY]], [[COPY1]], 0, 0 :: (load (s8) from %ir.addr)
; CHECK-NEXT: $w2 = COPY [[LDRBBroX]]
; CHECK-NEXT: RET_ReallyLR implicit $w2
%0:gpr(p0) = COPY $x0
%1:gpr(s64) = COPY $x1
%2:gpr(p0) = G_PTR_ADD %0, %1
%4:gpr(s32) = G_LOAD %2(p0) :: (load (s8) from %ir.addr)
$w2 = COPY %4(s32)
RET_ReallyLR implicit $w2
...
---
name: ldrqrox
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $d0, $x1
; CHECK-LABEL: name: ldrqrox
; CHECK: liveins: $d0, $x1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $d0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
; CHECK-NEXT: [[LDRQroX:%[0-9]+]]:fpr128 = LDRQroX [[COPY]], [[COPY1]], 0, 0 :: (load (<2 x s64>) from %ir.addr)
; CHECK-NEXT: $q0 = COPY [[LDRQroX]]
; CHECK-NEXT: RET_ReallyLR implicit $q0
%0:gpr(p0) = COPY $d0
%1:gpr(s64) = COPY $x1
%2:gpr(p0) = G_PTR_ADD %0, %1
%4:fpr(<2 x s64>) = G_LOAD %2(p0) :: (load (<2 x s64>) from %ir.addr)
$q0 = COPY %4(<2 x s64>)
RET_ReallyLR implicit $q0
|
