1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=aarch64-none-eabi | FileCheck %s 3 4define <4 x i16> @usra_v4i16(<8 x i8> %0) { 5; CHECK-LABEL: usra_v4i16: 6; CHECK: // %bb.0: 7; CHECK-NEXT: ushr v0.8b, v0.8b, #7 8; CHECK-NEXT: usra v0.4h, v0.4h, #7 9; CHECK-NEXT: ret 10 %2 = lshr <8 x i8> %0, <i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7> 11 %3 = bitcast <8 x i8> %2 to <4 x i16> 12 %4 = lshr <4 x i16> %3, <i16 7, i16 7, i16 7, i16 7> 13 %5 = or <4 x i16> %4, %3 14 ret <4 x i16> %5 15} 16 17define <4 x i32> @usra_v4i32(<8 x i16> %0) { 18; CHECK-LABEL: usra_v4i32: 19; CHECK: // %bb.0: 20; CHECK-NEXT: ushr v0.8h, v0.8h, #15 21; CHECK-NEXT: usra v0.4s, v0.4s, #15 22; CHECK-NEXT: ret 23 %2 = lshr <8 x i16> %0, <i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15> 24 %3 = bitcast <8 x i16> %2 to <4 x i32> 25 %4 = lshr <4 x i32> %3, <i32 15, i32 15, i32 15, i32 15> 26 %5 = or <4 x i32> %4, %3 27 ret <4 x i32> %5 28} 29 30define <2 x i64> @usra_v2i64(<4 x i32> %0) { 31; CHECK-LABEL: usra_v2i64: 32; CHECK: // %bb.0: 33; CHECK-NEXT: ushr v0.4s, v0.4s, #31 34; CHECK-NEXT: usra v0.2d, v0.2d, #31 35; CHECK-NEXT: ret 36 %2 = lshr <4 x i32> %0, <i32 31, i32 31, i32 31, i32 31> 37 %3 = bitcast <4 x i32> %2 to <2 x i64> 38 %4 = lshr <2 x i64> %3, <i64 31, i64 31> 39 %5 = or <2 x i64> %4, %3 40 ret <2 x i64> %5 41} 42 43define <1 x i64> @usra_v1i64(<2 x i32> %0) { 44; CHECK-LABEL: usra_v1i64: 45; CHECK: // %bb.0: 46; CHECK-NEXT: ushr v0.2s, v0.2s, #31 47; CHECK-NEXT: usra d0, d0, #31 48; CHECK-NEXT: ret 49 %2 = lshr <2 x i32> %0, <i32 31, i32 31> 50 %3 = bitcast <2 x i32> %2 to <1 x i64> 51 %4 = lshr <1 x i64> %3, <i64 31> 52 %5 = or <1 x i64> %4, %3 53 ret <1 x i64> %5 54} 55 56define <4 x i16> @ssra_v4i16(<4 x i16> %0) { 57; CHECK-LABEL: ssra_v4i16: 58; CHECK: // %bb.0: 59; CHECK-NEXT: ushr v1.4h, v0.4h, #15 60; CHECK-NEXT: bic v0.4h, #64, lsl #8 61; CHECK-NEXT: ssra v1.4h, v0.4h, #14 62; CHECK-NEXT: fmov d0, d1 63; CHECK-NEXT: ret 64 ; set the 15th bit to zero. e.g. 0b1111111111111111 to 0b1011111111111111 65 %2 = and <4 x i16> %0, <i16 49151, i16 49151,i16 49151,i16 49151> 66 ; the first 15 bits are zero, the last bit can be zero or one. e.g. 0b1011111111111111 to 0b0000000000000001 67 %3 = lshr <4 x i16> %0, <i16 15, i16 15, i16 15, i16 15> 68 ; the first 15 bits maybe 1, and the last bit is zero. 0b1011111111111111 to 0b1111111111111110 69 %4 = ashr <4 x i16> %2, <i16 14, i16 14, i16 14, i16 14> 70 %5 = or <4 x i16> %3, %4 71 ret <4 x i16> %5 72} 73 74define <4 x i32> @ssra_v4i32(<4 x i32> %0) { 75; CHECK-LABEL: ssra_v4i32: 76; CHECK: // %bb.0: 77; CHECK-NEXT: ushr v1.4s, v0.4s, #31 78; CHECK-NEXT: bic v0.4s, #64, lsl #24 79; CHECK-NEXT: ssra v1.4s, v0.4s, #30 80; CHECK-NEXT: mov v0.16b, v1.16b 81; CHECK-NEXT: ret 82 ; set the 31th bit to zero. 83 %2 = and <4 x i32> %0, <i32 3221225471, i32 3221225471,i32 3221225471,i32 3221225471> 84 ; the first 31 bits are zero, the last bit can be zero or one. 85 %3 = lshr <4 x i32> %0, <i32 31, i32 31, i32 31, i32 31> 86 ; the first 31 bits maybe 1, and the last bit is zero. 87 %4 = ashr <4 x i32> %2, <i32 30, i32 30, i32 30, i32 30> 88 %5 = or <4 x i32> %3, %4 89 ret <4 x i32> %5 90} 91 92define <1 x i64> @ssra_v1i64(<2 x i32> %0) { 93; CHECK-LABEL: ssra_v1i64: 94; CHECK: // %bb.0: 95; CHECK-NEXT: bic v0.2s, #64, lsl #24 96; CHECK-NEXT: ushr d1, d0, #63 97; CHECK-NEXT: ssra d1, d0, #62 98; CHECK-NEXT: fmov d0, d1 99; CHECK-NEXT: ret 100 %2 = and <2 x i32> %0, <i32 3221225471, i32 3221225471> 101 %3 = bitcast <2 x i32> %2 to <1 x i64> 102 %4 = lshr <1 x i64> %3, <i64 63> 103 %5 = ashr <1 x i64> %3, <i64 62> 104 %6 = or <1 x i64> %4, %5 105 ret <1 x i64> %6 106} 107 108define <2 x i64> @ssra_v2i64(<4 x i32> %0) { 109; CHECK-LABEL: ssra_v2i64: 110; CHECK: // %bb.0: 111; CHECK-NEXT: bic v0.4s, #64, lsl #24 112; CHECK-NEXT: ushr v1.2d, v0.2d, #63 113; CHECK-NEXT: ssra v1.2d, v0.2d, #62 114; CHECK-NEXT: mov v0.16b, v1.16b 115; CHECK-NEXT: ret 116 %2 = and <4 x i32> %0, <i32 3221225471, i32 3221225471,i32 3221225471,i32 3221225471> 117 %3 = bitcast <4 x i32> %2 to <2 x i64> 118 %4 = lshr <2 x i64> %3, <i64 63, i64 63> 119 %5 = ashr <2 x i64> %3, <i64 62, i64 62> 120 %6 = or <2 x i64> %4, %5 121 ret <2 x i64> %6 122} 123