# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5 # RUN: llc -mtriple=aarch64 -o - %s -run-pass machine-sink | FileCheck %s # we want to fuse an addition with lsl into an ldr but we have to be careful with # the shift distance: we can only represent specific shift distances: e.g: 3 # but nothing large like 32 --- | define dso_local i64 @fuse_shift_add_into_addr_mode() { entry: ret i64 0 } --- name: fuse_shift_add_into_addr_mode body: | bb.1.entry: liveins: $x0, $x1 ; CHECK-LABEL: name: fuse_shift_add_into_addr_mode ; CHECK: liveins: $x0, $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1 ; CHECK-NEXT: [[LDRXroX:%[0-9]+]]:gpr64 = LDRXroX [[COPY]], [[COPY1]], 0, 1 :: (load (s64)) ; CHECK-NEXT: [[ADDXrs:%[0-9]+]]:gpr64common = ADDXrs [[COPY]], [[COPY1]], 5 ; CHECK-NEXT: [[LDRXui:%[0-9]+]]:gpr64 = LDRXui [[ADDXrs]], 0 :: (load (s64)) ; CHECK-NEXT: [[ADDXrs1:%[0-9]+]]:gpr64common = ADDXrs [[COPY]], [[COPY1]], 32 ; CHECK-NEXT: [[LDRXui1:%[0-9]+]]:gpr64 = LDRXui [[ADDXrs1]], 0 :: (load (s64)) ; CHECK-NEXT: [[ADDXrs2:%[0-9]+]]:gpr64common = ADDXrs [[COPY]], [[COPY1]], 35 ; CHECK-NEXT: [[LDRXui2:%[0-9]+]]:gpr64 = LDRXui [[ADDXrs1]], 0 :: (load (s64)) ; CHECK-NEXT: [[ADDXrs3:%[0-9]+]]:gpr64common = ADDXrs [[COPY]], [[COPY1]], 63 ; CHECK-NEXT: [[LDRXui3:%[0-9]+]]:gpr64 = LDRXui [[ADDXrs1]], 0 :: (load (s64)) ; CHECK-NEXT: RET_ReallyLR implicit $x0 %0:gpr64 = COPY $x0 %1:gpr64 = COPY $x1 %2:gpr64common = ADDXrs %0, %1, 3 %3:gpr64 = LDRXui %2, 0 :: (load (s64)) %4:gpr64common = ADDXrs %0, %1, 5 %5:gpr64 = LDRXui %4, 0 :: (load (s64)) %6:gpr64common = ADDXrs %0, %1, 32 %7:gpr64 = LDRXui %6, 0 :: (load (s64)) %8:gpr64common = ADDXrs %0, %1, 35 %9:gpr64 = LDRXui %6, 0 :: (load (s64)) %10:gpr64common = ADDXrs %0, %1, 63 %11:gpr64 = LDRXui %6, 0 :: (load (s64)) RET_ReallyLR implicit $x0