# 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 --check-prefixes=CHECK,CHECK-FAST --allow-unused-prefixes # RUN: llc -mtriple=aarch64-unknown-unknown -mattr=+addr-lsl-slow-14 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-SLOW --allow-unused-prefixes --- | 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 @ldrhrox_shl(ptr %addr) { ret void } define void @ldrwrox_shl(ptr %addr) { ret void } define void @ldrxrox_shl(ptr %addr) { ret void } define void @ldrdrox_shl(ptr %addr) { ret void } define void @ldrqrox_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_fallback(ptr %addr) { ret void } define void @ldrxrox_more_than_one_mem_use_shl(ptr %addr) { ret void } define void @ldrxrox_more_than_one_use_shl(ptr %addr) { ret void } define void @ldrhrox_more_than_one_mem_use_shl(ptr %addr) { ret void } define void @ldrhrox_more_than_one_use_shl(ptr %addr) { ret void } define void @ldrwrox_more_than_one_use_shl(ptr %addr) { ret void } define void @ldrqrox_more_than_one_use_shl(ptr %addr) { ret void } define void @more_than_one_use_shl_lsl(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 } ... --- 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(i64) = COPY $x1 %2:gpr(p0) = G_PTR_ADD %0, %1 %4:gpr(i64) = G_LOAD %2(p0) :: (load (s64) from %ir.addr) $x0 = COPY %4(i64) 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(i64) = COPY $x1 %2:gpr(p0) = G_PTR_ADD %0, %1 %4:fpr(i64) = G_LOAD %2(p0) :: (load (s64) from %ir.addr) $d0 = COPY %4(i64) 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(i64) = COPY $x1 %2:gpr(p0) = G_PTR_ADD %0, %1 %4:gpr(i64) = G_LOAD %2(p0) :: (load (s64) from %ir.addr) %5:gpr(i64) = G_PTRTOINT %2 %6:gpr(i64) = G_ADD %5, %4 $x0 = COPY %6(i64) RET_ReallyLR implicit $x0 ... --- name: ldrhrox_shl alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $x0, $x1, $x2 liveins: $w1, $x0 ; CHECK-LABEL: name: ldrhrox_shl ; CHECK: liveins: $x0, $x1, $x2, $w1, $x0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 ; CHECK-NEXT: [[UBFMWri:%[0-9]+]]:gpr32 = UBFMWri [[COPY1]], 9, 31 ; CHECK-NEXT: [[ORRWrs:%[0-9]+]]:gpr32 = ORRWrs $wzr, [[UBFMWri]], 0 ; CHECK-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG [[ORRWrs]], %subreg.sub_32 ; CHECK-NEXT: [[ANDXri:%[0-9]+]]:gpr64common = ANDXri [[SUBREG_TO_REG]], 4103 ; CHECK-NEXT: [[LDRHHroX:%[0-9]+]]:gpr32 = LDRHHroX [[COPY]], [[ANDXri]], 0, 1 :: (load (s16)) ; CHECK-NEXT: RET_ReallyLR implicit [[LDRHHroX]] %0:gpr(p0) = COPY $x0 %1:gpr(i32) = COPY $w1 %15:gpr(i64) = G_CONSTANT i64 9 %3:gpr(i32) = G_LSHR %1, %15(i64) %4:gpr(i64) = G_ZEXT %3(i32) %5:gpr(i64) = G_CONSTANT i64 255 %6:gpr(i64) = G_AND %4, %5 %13:gpr(i64) = G_CONSTANT i64 1 %8:gpr(i64) = G_SHL %6, %13(i64) %9:gpr(p0) = G_PTR_ADD %0, %8(i64) %12:gpr(i32) = G_LOAD %9(p0) :: (load (s16)) RET_ReallyLR implicit %12 ... --- name: ldrwrox_shl alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $x0, $x1, $x2 ; CHECK-LABEL: name: ldrwrox_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: [[LDRWroX:%[0-9]+]]:gpr32 = LDRWroX [[COPY1]], [[COPY]], 0, 1 :: (load (s32) from %ir.addr) ; CHECK-NEXT: RET_ReallyLR implicit [[LDRWroX]] %0:gpr(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 2 %2:gpr(i64) = G_SHL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:gpr(i32) = G_LOAD %4(p0) :: (load (s32) from %ir.addr) RET_ReallyLR implicit %5 ... --- 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(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 3 %2:gpr(i64) = G_SHL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:gpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) $x2 = COPY %5(i64) 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(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 3 %2:gpr(i64) = G_SHL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:fpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) $d2 = COPY %5(i64) RET_ReallyLR implicit $d2 ... --- name: ldrqrox_shl alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $x0, $x1, $d2 ; CHECK-LABEL: name: ldrqrox_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: [[LDRQroX:%[0-9]+]]:fpr128 = LDRQroX [[COPY1]], [[COPY]], 0, 1 :: (load (s128) from %ir.addr) ; CHECK-NEXT: RET_ReallyLR implicit [[LDRQroX]] %0:gpr(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 4 %2:gpr(i64) = G_SHL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:fpr(s128) = G_LOAD %4(p0) :: (load (s128) from %ir.addr) RET_ReallyLR implicit %5 ... --- 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(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 8 %2:gpr(i64) = G_MUL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:gpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) $x2 = COPY %5(i64) 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(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 8 %2:gpr(i64) = G_MUL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:fpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) $d2 = COPY %5(i64) 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(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 8 %2:gpr(i64) = G_MUL %1, %0(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:gpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) $x2 = COPY %5(i64) 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(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 8 %2:gpr(i64) = G_MUL %1, %0(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:fpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) $d2 = COPY %5(i64) 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 [[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(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 7 %2:gpr(i64) = G_MUL %1, %0(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:fpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) $d2 = COPY %5(i64) 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 [[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(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 16 %2:gpr(i64) = G_MUL %1, %0(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:fpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) $d2 = COPY %5(i64) 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_fallback alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $x0, $x1, $x2 ; CHECK-LABEL: name: more_than_one_use_shl_fallback ; CHECK: liveins: $x0, $x1, $x2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0 ; CHECK-NEXT: [[UBFMXri:%[0-9]+]]:gpr64common = UBFMXri [[COPY]], 62, 61 ; 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]], 2, 0 ; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[LDRXroX]], [[ADDXri]] ; CHECK-NEXT: $x2 = COPY [[ADDXrr]] ; CHECK-NEXT: RET_ReallyLR implicit $x2 %0:gpr(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 2 %2:gpr(i64) = G_SHL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:gpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) %6:gpr(i64) = G_ADD %2, %1 %7:gpr(i64) = G_ADD %5, %6 $x2 = COPY %7(i64) RET_ReallyLR implicit $x2 ... --- name: ldrxrox_more_than_one_mem_use_shl alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $x0, $x1, $x2 ; CHECK-LABEL: name: ldrxrox_more_than_one_mem_use_shl ; CHECK: liveins: $x0, $x1, $x2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 ; CHECK-NEXT: [[UBFMWri:%[0-9]+]]:gpr32 = UBFMWri [[COPY1]], 9, 31 ; CHECK-NEXT: [[ORRWrs:%[0-9]+]]:gpr32 = ORRWrs $wzr, [[UBFMWri]], 0 ; CHECK-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG [[ORRWrs]], %subreg.sub_32 ; CHECK-NEXT: [[ANDXri:%[0-9]+]]:gpr64common = ANDXri [[SUBREG_TO_REG]], 4103 ; CHECK-NEXT: [[LDRXroX:%[0-9]+]]:gpr64 = LDRXroX [[COPY]], [[ANDXri]], 0, 1 :: (load (s64)) ; CHECK-NEXT: [[LDRXroX1:%[0-9]+]]:gpr64 = LDRXroX [[COPY]], [[ANDXri]], 0, 1 :: (load (s64)) ; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[LDRXroX]], [[LDRXroX1]] ; CHECK-NEXT: RET_ReallyLR implicit [[ADDXrr]] %0:gpr(p0) = COPY $x0 %1:gpr(i32) = COPY $w1 %15:gpr(i64) = G_CONSTANT i64 9 %3:gpr(i32) = G_LSHR %1, %15(i64) %4:gpr(i64) = G_ZEXT %3(i32) %5:gpr(i64) = G_CONSTANT i64 255 %6:gpr(i64) = G_AND %4, %5 %13:gpr(i64) = G_CONSTANT i64 3 %8:gpr(i64) = G_SHL %6, %13(i64) %9:gpr(p0) = G_PTR_ADD %0, %8(i64) %12:gpr(i64) = G_LOAD %9(p0) :: (load (s64)) %17:gpr(i64) = G_LOAD %9(p0) :: (load (s64)) %18:gpr(i64) = G_ADD %12, %17 RET_ReallyLR implicit %18 ... --- # Show that when the GEP is used both inside and outside a memory op, we only fold the memory op. name: ldrxrox_more_than_one_use_shl alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $x0, $x1, $x2 ; CHECK-LABEL: name: ldrxrox_more_than_one_use_shl ; 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: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[COPY2]], [[UBFMXri]] ; 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: [[ADDXrr1:%[0-9]+]]:gpr64 = ADDXrr [[LDRXroX]], [[ADDXri]] ; CHECK-NEXT: [[ADDXrr2:%[0-9]+]]:gpr64 = ADDXrr [[ADDXrr]], [[ADDXrr1]] ; CHECK-NEXT: $x2 = COPY [[ADDXrr2]] ; CHECK-NEXT: RET_ReallyLR implicit $x2 %0:gpr(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 3 %2:gpr(i64) = G_SHL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:gpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) %6:gpr(i64) = G_ADD %2, %1 %7:gpr(i64) = G_ADD %5, %6 %8:gpr(i64) = G_PTRTOINT %4 %9:gpr(i64) = G_ADD %8, %7 $x2 = COPY %9(i64) RET_ReallyLR implicit $x2 ... --- # Fold SHL into LSL for mem ops. Do not fold if the target has LSLSLOW14. name: ldrhrox_more_than_one_mem_use_shl alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $x0, $x1, $x2 liveins: $w1, $x0 ; CHECK-FAST-LABEL: name: ldrhrox_more_than_one_mem_use_shl ; CHECK-FAST: liveins: $x0, $x1, $x2, $w1, $x0 ; CHECK-FAST-NEXT: {{ $}} ; CHECK-FAST-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0 ; CHECK-FAST-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 ; CHECK-FAST-NEXT: [[UBFMWri:%[0-9]+]]:gpr32 = UBFMWri [[COPY1]], 9, 31 ; CHECK-FAST-NEXT: [[ORRWrs:%[0-9]+]]:gpr32 = ORRWrs $wzr, [[UBFMWri]], 0 ; CHECK-FAST-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG [[ORRWrs]], %subreg.sub_32 ; CHECK-FAST-NEXT: [[ANDXri:%[0-9]+]]:gpr64common = ANDXri [[SUBREG_TO_REG]], 4103 ; CHECK-FAST-NEXT: [[LDRHHroX:%[0-9]+]]:gpr32 = LDRHHroX [[COPY]], [[ANDXri]], 0, 1 :: (load (s16)) ; CHECK-FAST-NEXT: [[LDRHHroX1:%[0-9]+]]:gpr32 = LDRHHroX [[COPY]], [[ANDXri]], 0, 1 :: (load (s16)) ; CHECK-FAST-NEXT: [[ADDWrr:%[0-9]+]]:gpr32 = ADDWrr [[LDRHHroX]], [[LDRHHroX1]] ; CHECK-FAST-NEXT: RET_ReallyLR implicit [[ADDWrr]] ; ; CHECK-SLOW-LABEL: name: ldrhrox_more_than_one_mem_use_shl ; CHECK-SLOW: liveins: $x0, $x1, $x2, $w1, $x0 ; CHECK-SLOW-NEXT: {{ $}} ; CHECK-SLOW-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0 ; CHECK-SLOW-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 ; CHECK-SLOW-NEXT: [[UBFMWri:%[0-9]+]]:gpr32 = UBFMWri [[COPY1]], 9, 31 ; CHECK-SLOW-NEXT: [[ORRWrs:%[0-9]+]]:gpr32 = ORRWrs $wzr, [[UBFMWri]], 0 ; CHECK-SLOW-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG [[ORRWrs]], %subreg.sub_32 ; CHECK-SLOW-NEXT: [[COPY2:%[0-9]+]]:gpr32all = COPY [[SUBREG_TO_REG]].sub_32 ; CHECK-SLOW-NEXT: [[COPY3:%[0-9]+]]:gpr32 = COPY [[COPY2]] ; CHECK-SLOW-NEXT: [[COPY4:%[0-9]+]]:gpr64common = COPY [[COPY]] ; CHECK-SLOW-NEXT: [[ADDXrx:%[0-9]+]]:gpr64sp = ADDXrx [[COPY4]], [[COPY3]], 1 ; CHECK-SLOW-NEXT: [[LDRHHui:%[0-9]+]]:gpr32 = LDRHHui [[ADDXrx]], 0 :: (load (s16)) ; CHECK-SLOW-NEXT: [[LDRHHui1:%[0-9]+]]:gpr32 = LDRHHui [[ADDXrx]], 0 :: (load (s16)) ; CHECK-SLOW-NEXT: [[ADDWrr:%[0-9]+]]:gpr32 = ADDWrr [[LDRHHui]], [[LDRHHui1]] ; CHECK-SLOW-NEXT: RET_ReallyLR implicit [[ADDWrr]] %0:gpr(p0) = COPY $x0 %1:gpr(i32) = COPY $w1 %15:gpr(i64) = G_CONSTANT i64 9 %3:gpr(i32) = G_LSHR %1, %15(i64) %4:gpr(i64) = G_ZEXT %3(i32) %5:gpr(i64) = G_CONSTANT i64 255 %6:gpr(i64) = G_AND %4, %5 %13:gpr(i64) = G_CONSTANT i64 1 %8:gpr(i64) = G_SHL %6, %13(i64) %9:gpr(p0) = G_PTR_ADD %0, %8(i64) %12:gpr(i32) = G_LOAD %9(p0) :: (load (s16)) %17:gpr(i32) = G_LOAD %9(p0) :: (load (s16)) %18:gpr(i32) = G_ADD %12, %17 RET_ReallyLR implicit %18 ... --- # Fold SHL into LSL for memory ops. Do not fold if the target has LSLSLOW14. name: ldrhrox_more_than_one_use_shl alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $x0, $x1, $x2 liveins: $w1, $x0 ; CHECK-FAST-LABEL: name: ldrhrox_more_than_one_use_shl ; CHECK-FAST: liveins: $x0, $x1, $x2, $w1, $x0 ; CHECK-FAST-NEXT: {{ $}} ; CHECK-FAST-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0 ; CHECK-FAST-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 ; CHECK-FAST-NEXT: [[UBFMWri:%[0-9]+]]:gpr32 = UBFMWri [[COPY1]], 9, 31 ; CHECK-FAST-NEXT: [[ORRWrs:%[0-9]+]]:gpr32 = ORRWrs $wzr, [[UBFMWri]], 0 ; CHECK-FAST-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG [[ORRWrs]], %subreg.sub_32 ; CHECK-FAST-NEXT: [[ANDXri:%[0-9]+]]:gpr64common = ANDXri [[SUBREG_TO_REG]], 4103 ; CHECK-FAST-NEXT: [[LDRHHroX:%[0-9]+]]:gpr32 = LDRHHroX [[COPY]], [[ANDXri]], 0, 1 :: (load (s16)) ; CHECK-FAST-NEXT: [[LDRHHroX1:%[0-9]+]]:gpr32 = LDRHHroX [[COPY]], [[ANDXri]], 0, 1 :: (load (s16)) ; CHECK-FAST-NEXT: [[ADDWrr:%[0-9]+]]:gpr32 = ADDWrr [[LDRHHroX]], [[LDRHHroX1]] ; CHECK-FAST-NEXT: RET_ReallyLR implicit [[ADDWrr]] ; ; CHECK-SLOW-LABEL: name: ldrhrox_more_than_one_use_shl ; CHECK-SLOW: liveins: $x0, $x1, $x2, $w1, $x0 ; CHECK-SLOW-NEXT: {{ $}} ; CHECK-SLOW-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0 ; CHECK-SLOW-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 ; CHECK-SLOW-NEXT: [[UBFMWri:%[0-9]+]]:gpr32 = UBFMWri [[COPY1]], 9, 31 ; CHECK-SLOW-NEXT: [[ORRWrs:%[0-9]+]]:gpr32 = ORRWrs $wzr, [[UBFMWri]], 0 ; CHECK-SLOW-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG [[ORRWrs]], %subreg.sub_32 ; CHECK-SLOW-NEXT: [[COPY2:%[0-9]+]]:gpr32all = COPY [[SUBREG_TO_REG]].sub_32 ; CHECK-SLOW-NEXT: [[COPY3:%[0-9]+]]:gpr32 = COPY [[COPY2]] ; CHECK-SLOW-NEXT: [[COPY4:%[0-9]+]]:gpr64common = COPY [[COPY]] ; CHECK-SLOW-NEXT: [[ADDXrx:%[0-9]+]]:gpr64sp = ADDXrx [[COPY4]], [[COPY3]], 1 ; CHECK-SLOW-NEXT: [[LDRHHui:%[0-9]+]]:gpr32 = LDRHHui [[ADDXrx]], 0 :: (load (s16)) ; CHECK-SLOW-NEXT: [[LDRHHui1:%[0-9]+]]:gpr32 = LDRHHui [[ADDXrx]], 0 :: (load (s16)) ; CHECK-SLOW-NEXT: [[ADDWrr:%[0-9]+]]:gpr32 = ADDWrr [[LDRHHui]], [[LDRHHui1]] ; CHECK-SLOW-NEXT: RET_ReallyLR implicit [[ADDWrr]] %0:gpr(p0) = COPY $x0 %1:gpr(i32) = COPY $w1 %15:gpr(i64) = G_CONSTANT i64 9 %3:gpr(i32) = G_LSHR %1, %15(i64) %4:gpr(i64) = G_ZEXT %3(i32) %5:gpr(i64) = G_CONSTANT i64 255 %6:gpr(i64) = G_AND %4, %5 %13:gpr(i64) = G_CONSTANT i64 1 %8:gpr(i64) = G_SHL %6, %13(i64) %9:gpr(p0) = G_PTR_ADD %0, %8(i64) %12:gpr(i32) = G_LOAD %9(p0) :: (load (s16)) %17:gpr(i32) = G_LOAD %9(p0) :: (load (s16)) %18:gpr(i32) = G_ADD %12, %17 RET_ReallyLR implicit %18 ... --- # Fold SHL into LSL for memory ops. name: ldrwrox_more_than_one_use_shl alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $x0, $x1, $x2 ; CHECK-LABEL: name: ldrwrox_more_than_one_use_shl ; CHECK: liveins: $x0, $x1, $x2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0 ; CHECK-NEXT: [[UBFMXri:%[0-9]+]]:gpr64common = UBFMXri [[COPY]], 62, 61 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64common = COPY $x1 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr64 = COPY [[COPY1]] ; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[COPY2]], [[UBFMXri]] ; CHECK-NEXT: [[LDRWroX:%[0-9]+]]:gpr32 = LDRWroX [[COPY1]], [[COPY]], 0, 1 :: (load (s32) from %ir.addr) ; CHECK-NEXT: [[ORRWrs:%[0-9]+]]:gpr32 = ORRWrs $wzr, [[LDRWroX]], 0 ; CHECK-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG [[ORRWrs]], %subreg.sub_32 ; CHECK-NEXT: [[ADDXri:%[0-9]+]]:gpr64common = ADDXri [[UBFMXri]], 2, 0 ; CHECK-NEXT: [[ADDXrr1:%[0-9]+]]:gpr64 = ADDXrr [[SUBREG_TO_REG]], [[ADDXri]] ; CHECK-NEXT: [[ADDXrr2:%[0-9]+]]:gpr64 = ADDXrr [[ADDXrr]], [[ADDXrr1]] ; CHECK-NEXT: $x2 = COPY [[ADDXrr2]] ; CHECK-NEXT: RET_ReallyLR implicit $x2 %0:gpr(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 2 %2:gpr(i64) = G_SHL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %20:gpr(i32) = G_LOAD %4(p0) :: (load (s32) from %ir.addr) %5:gpr(i64) = G_ZEXT %20 %6:gpr(i64) = G_ADD %2, %1 %7:gpr(i64) = G_ADD %5, %6 %8:gpr(i64) = G_PTRTOINT %4 %9:gpr(i64) = G_ADD %8, %7 $x2 = COPY %9(i64) RET_ReallyLR implicit $x2 ... --- # Fold SHL into LSL for memory ops. Do not fold if the target has LSLSLOW14. name: ldrqrox_more_than_one_use_shl alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $x0, $x1, $x2 ; CHECK-FAST-LABEL: name: ldrqrox_more_than_one_use_shl ; CHECK-FAST: liveins: $x0, $x1, $x2 ; CHECK-FAST-NEXT: {{ $}} ; CHECK-FAST-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0 ; CHECK-FAST-NEXT: [[UBFMXri:%[0-9]+]]:gpr64common = UBFMXri [[COPY]], 60, 59 ; CHECK-FAST-NEXT: [[COPY1:%[0-9]+]]:gpr64common = COPY $x1 ; CHECK-FAST-NEXT: [[COPY2:%[0-9]+]]:gpr64 = COPY [[COPY1]] ; CHECK-FAST-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[COPY2]], [[UBFMXri]] ; CHECK-FAST-NEXT: [[LDRQroX:%[0-9]+]]:fpr128 = LDRQroX [[COPY1]], [[COPY]], 0, 1 :: (load (s128) from %ir.addr) ; CHECK-FAST-NEXT: [[ADDXri:%[0-9]+]]:gpr64common = ADDXri [[UBFMXri]], 4, 0 ; CHECK-FAST-NEXT: [[COPY3:%[0-9]+]]:fpr64 = COPY [[LDRQroX]].dsub ; CHECK-FAST-NEXT: [[COPY4:%[0-9]+]]:gpr64 = COPY [[COPY3]] ; CHECK-FAST-NEXT: [[ADDXrr1:%[0-9]+]]:gpr64 = ADDXrr [[COPY4]], [[ADDXri]] ; CHECK-FAST-NEXT: [[ADDXrr2:%[0-9]+]]:gpr64 = ADDXrr [[ADDXrr]], [[ADDXrr1]] ; CHECK-FAST-NEXT: RET_ReallyLR implicit [[ADDXrr2]] ; ; CHECK-SLOW-LABEL: name: ldrqrox_more_than_one_use_shl ; CHECK-SLOW: liveins: $x0, $x1, $x2 ; CHECK-SLOW-NEXT: {{ $}} ; CHECK-SLOW-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0 ; CHECK-SLOW-NEXT: [[UBFMXri:%[0-9]+]]:gpr64common = UBFMXri [[COPY]], 60, 59 ; CHECK-SLOW-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1 ; CHECK-SLOW-NEXT: [[ADDXrr:%[0-9]+]]:gpr64common = ADDXrr [[COPY1]], [[UBFMXri]] ; CHECK-SLOW-NEXT: [[LDRQui:%[0-9]+]]:fpr128 = LDRQui [[ADDXrr]], 0 :: (load (s128) from %ir.addr) ; CHECK-SLOW-NEXT: [[ADDXri:%[0-9]+]]:gpr64common = ADDXri [[UBFMXri]], 4, 0 ; CHECK-SLOW-NEXT: [[COPY2:%[0-9]+]]:fpr64 = COPY [[LDRQui]].dsub ; CHECK-SLOW-NEXT: [[COPY3:%[0-9]+]]:gpr64 = COPY [[COPY2]] ; CHECK-SLOW-NEXT: [[ADDXrr1:%[0-9]+]]:gpr64 = ADDXrr [[COPY3]], [[ADDXri]] ; CHECK-SLOW-NEXT: [[COPY4:%[0-9]+]]:gpr64 = COPY [[ADDXrr]] ; CHECK-SLOW-NEXT: [[ADDXrr2:%[0-9]+]]:gpr64 = ADDXrr [[COPY4]], [[ADDXrr1]] ; CHECK-SLOW-NEXT: RET_ReallyLR implicit [[ADDXrr2]] %0:gpr(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 4 %2:gpr(i64) = G_SHL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %20:fpr(s128) = G_LOAD %4(p0) :: (load (s128) from %ir.addr) %6:gpr(i64) = G_ADD %2, %1 %200:fpr(i64) = G_TRUNC %20 %2000:gpr(i64) = COPY %200 %7:gpr(i64) = G_ADD %2000, %6 %8:gpr(i64) = G_PTRTOINT %4 %9:gpr(i64) = G_ADD %8, %7 RET_ReallyLR implicit %9 ... --- # 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 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 ; 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(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 3 %2:gpr(i64) = G_SHL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:gpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) %6:gpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) %7:gpr(i64) = G_ADD %5, %6 $x2 = COPY %7(i64) 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(i64) = COPY $x0 %1:gpr(i64) = G_CONSTANT i64 3 %2:gpr(i64) = G_SHL %0, %1(i64) %3:gpr(p0) = COPY $x1 %4:gpr(p0) = G_PTR_ADD %3, %2 %5:gpr(i64) = G_LOAD %4(p0) :: (load (s64) from %ir.addr) %6:gpr(i64) = G_ADD %2, %1 %7:gpr(i64) = G_ADD %5, %6 %8:gpr(i64) = G_PTRTOINT %4 %9:gpr(i64) = G_ADD %8, %7 $x2 = COPY %9(i64) 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(i64) = COPY $x1 %2:gpr(p0) = G_PTR_ADD %0, %1 %4:gpr(i32) = G_LOAD %2(p0) :: (load (s32) from %ir.addr) $w2 = COPY %4(i32) 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(i64) = COPY $x1 %2:gpr(p0) = G_PTR_ADD %0, %1 %4:fpr(i32) = G_LOAD %2(p0) :: (load (s32) from %ir.addr) $s2 = COPY %4(i32) 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(i64) = 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(i64) = COPY $x1 %2:gpr(p0) = G_PTR_ADD %0, %1 %4:gpr(i32) = G_LOAD %2(p0) :: (load (s8) from %ir.addr) $w2 = COPY %4(i32) 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(i64) = COPY $x1 %2:gpr(p0) = G_PTR_ADD %0, %1 %4:fpr(<2 x i64>) = G_LOAD %2(p0) :: (load (<2 x s64>) from %ir.addr) $q0 = COPY %4(<2 x i64>) RET_ReallyLR implicit $q0