1 // RUN: %clang_cc1 -triple arm64-none-linux-gnu -target-feature +neon \ 2 // RUN: -ffp-contract=fast -S -emit-llvm -o - %s | opt -S -mem2reg | FileCheck %s 3 4 #include <arm_neon.h> 5 6 uint8x8_t test_shift_vshr(uint8x8_t a) { 7 // CHECK-LABEL: test_shift_vshr 8 // CHECK: %{{.*}} = lshr <8 x i8> %a, <i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5> 9 return vshr_n_u8(a, 5); 10 } 11 12 int8x8_t test_shift_vshr_smax(int8x8_t a) { 13 // CHECK-LABEL: test_shift_vshr_smax 14 // CHECK: %{{.*}} = ashr <8 x i8> %a, <i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7> 15 return vshr_n_s8(a, 8); 16 } 17 18 uint8x8_t test_shift_vshr_umax(uint8x8_t a) { 19 // CHECK-LABEL: test_shift_vshr_umax 20 // CHECK: ret <8 x i8> zeroinitializer 21 return vshr_n_u8(a, 8); 22 } 23 24 uint8x8_t test_shift_vsra(uint8x8_t a, uint8x8_t b) { 25 // CHECK-LABEL: test_shift_vsra 26 // CHECK: %[[SHR:.*]] = lshr <8 x i8> %b, <i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5> 27 // CHECK: %{{.*}} = add <8 x i8> %a, %[[SHR]] 28 return vsra_n_u8(a, b, 5); 29 } 30 31 int8x8_t test_shift_vsra_smax(int8x8_t a, int8x8_t b) { 32 // CHECK-LABEL: test_shift_vsra_smax 33 // CHECK: %[[SHR:.*]] = ashr <8 x i8> %b, <i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7> 34 // CHECK: %{{.*}} = add <8 x i8> %a, %[[SHR]] 35 return vsra_n_s8(a, b, 8); 36 } 37 38 uint8x8_t test_shift_vsra_umax(uint8x8_t a, uint8x8_t b) { 39 // CHECK-LABEL: test_shift_vsra_umax 40 // CHECK: [[RES:%.*]] = add <8 x i8> %a, zeroinitializer 41 // CHECK: ret <8 x i8> [[RES]] 42 return vsra_n_u8(a, b, 8); 43 } 44
