Ulrich Weigand | ce4c109 | 2015-05-05 19:25:42 +0000 | [diff] [blame] | 1 | ; Test vector logical shift right with scalar shift amount. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s |
| 4 | |
| 5 | ; Test a v16i8 shift by a variable. |
| 6 | define <16 x i8> @f1(<16 x i8> %dummy, <16 x i8> %val1, i32 %shift) { |
| 7 | ; CHECK-LABEL: f1: |
| 8 | ; CHECK: vesrlb %v24, %v26, 0(%r2) |
| 9 | ; CHECK: br %r14 |
| 10 | %truncshift = trunc i32 %shift to i8 |
| 11 | %shiftvec = insertelement <16 x i8> undef, i8 %truncshift, i32 0 |
| 12 | %val2 = shufflevector <16 x i8> %shiftvec, <16 x i8> undef, |
| 13 | <16 x i32> zeroinitializer |
| 14 | %ret = lshr <16 x i8> %val1, %val2 |
| 15 | ret <16 x i8> %ret |
| 16 | } |
| 17 | |
| 18 | ; Test a v16i8 shift by the lowest useful constant. |
| 19 | define <16 x i8> @f2(<16 x i8> %dummy, <16 x i8> %val) { |
| 20 | ; CHECK-LABEL: f2: |
| 21 | ; CHECK: vesrlb %v24, %v26, 1 |
| 22 | ; CHECK: br %r14 |
| 23 | %ret = lshr <16 x i8> %val, <i8 1, i8 1, i8 1, i8 1, |
| 24 | i8 1, i8 1, i8 1, i8 1, |
| 25 | i8 1, i8 1, i8 1, i8 1, |
| 26 | i8 1, i8 1, i8 1, i8 1> |
| 27 | ret <16 x i8> %ret |
| 28 | } |
| 29 | |
| 30 | ; Test a v16i8 shift by the highest useful constant. |
| 31 | define <16 x i8> @f3(<16 x i8> %dummy, <16 x i8> %val) { |
| 32 | ; CHECK-LABEL: f3: |
| 33 | ; CHECK: vesrlb %v24, %v26, 7 |
| 34 | ; CHECK: br %r14 |
| 35 | %ret = lshr <16 x i8> %val, <i8 7, i8 7, i8 7, i8 7, |
| 36 | i8 7, i8 7, i8 7, i8 7, |
| 37 | i8 7, i8 7, i8 7, i8 7, |
| 38 | i8 7, i8 7, i8 7, i8 7> |
| 39 | ret <16 x i8> %ret |
| 40 | } |
| 41 | |
| 42 | ; Test a v8i16 shift by a variable. |
| 43 | define <8 x i16> @f4(<8 x i16> %dummy, <8 x i16> %val1, i32 %shift) { |
| 44 | ; CHECK-LABEL: f4: |
| 45 | ; CHECK: vesrlh %v24, %v26, 0(%r2) |
| 46 | ; CHECK: br %r14 |
| 47 | %truncshift = trunc i32 %shift to i16 |
| 48 | %shiftvec = insertelement <8 x i16> undef, i16 %truncshift, i32 0 |
| 49 | %val2 = shufflevector <8 x i16> %shiftvec, <8 x i16> undef, |
| 50 | <8 x i32> zeroinitializer |
| 51 | %ret = lshr <8 x i16> %val1, %val2 |
| 52 | ret <8 x i16> %ret |
| 53 | } |
| 54 | |
| 55 | ; Test a v8i16 shift by the lowest useful constant. |
| 56 | define <8 x i16> @f5(<8 x i16> %dummy, <8 x i16> %val) { |
| 57 | ; CHECK-LABEL: f5: |
| 58 | ; CHECK: vesrlh %v24, %v26, 1 |
| 59 | ; CHECK: br %r14 |
| 60 | %ret = lshr <8 x i16> %val, <i16 1, i16 1, i16 1, i16 1, |
| 61 | i16 1, i16 1, i16 1, i16 1> |
| 62 | ret <8 x i16> %ret |
| 63 | } |
| 64 | |
| 65 | ; Test a v8i16 shift by the highest useful constant. |
| 66 | define <8 x i16> @f6(<8 x i16> %dummy, <8 x i16> %val) { |
| 67 | ; CHECK-LABEL: f6: |
| 68 | ; CHECK: vesrlh %v24, %v26, 15 |
| 69 | ; CHECK: br %r14 |
| 70 | %ret = lshr <8 x i16> %val, <i16 15, i16 15, i16 15, i16 15, |
| 71 | i16 15, i16 15, i16 15, i16 15> |
| 72 | ret <8 x i16> %ret |
| 73 | } |
| 74 | |
| 75 | ; Test a v4i32 shift by a variable. |
| 76 | define <4 x i32> @f7(<4 x i32> %dummy, <4 x i32> %val1, i32 %shift) { |
| 77 | ; CHECK-LABEL: f7: |
| 78 | ; CHECK: vesrlf %v24, %v26, 0(%r2) |
| 79 | ; CHECK: br %r14 |
| 80 | %shiftvec = insertelement <4 x i32> undef, i32 %shift, i32 0 |
| 81 | %val2 = shufflevector <4 x i32> %shiftvec, <4 x i32> undef, |
| 82 | <4 x i32> zeroinitializer |
| 83 | %ret = lshr <4 x i32> %val1, %val2 |
| 84 | ret <4 x i32> %ret |
| 85 | } |
| 86 | |
| 87 | ; Test a v4i32 shift by the lowest useful constant. |
| 88 | define <4 x i32> @f8(<4 x i32> %dummy, <4 x i32> %val) { |
| 89 | ; CHECK-LABEL: f8: |
| 90 | ; CHECK: vesrlf %v24, %v26, 1 |
| 91 | ; CHECK: br %r14 |
| 92 | %ret = lshr <4 x i32> %val, <i32 1, i32 1, i32 1, i32 1> |
| 93 | ret <4 x i32> %ret |
| 94 | } |
| 95 | |
| 96 | ; Test a v4i32 shift by the highest useful constant. |
| 97 | define <4 x i32> @f9(<4 x i32> %dummy, <4 x i32> %val) { |
| 98 | ; CHECK-LABEL: f9: |
| 99 | ; CHECK: vesrlf %v24, %v26, 31 |
| 100 | ; CHECK: br %r14 |
| 101 | %ret = lshr <4 x i32> %val, <i32 31, i32 31, i32 31, i32 31> |
| 102 | ret <4 x i32> %ret |
| 103 | } |
| 104 | |
| 105 | ; Test a v2i64 shift by a variable. |
| 106 | define <2 x i64> @f10(<2 x i64> %dummy, <2 x i64> %val1, i32 %shift) { |
| 107 | ; CHECK-LABEL: f10: |
| 108 | ; CHECK: vesrlg %v24, %v26, 0(%r2) |
| 109 | ; CHECK: br %r14 |
| 110 | %extshift = sext i32 %shift to i64 |
| 111 | %shiftvec = insertelement <2 x i64> undef, i64 %extshift, i32 0 |
| 112 | %val2 = shufflevector <2 x i64> %shiftvec, <2 x i64> undef, |
| 113 | <2 x i32> zeroinitializer |
| 114 | %ret = lshr <2 x i64> %val1, %val2 |
| 115 | ret <2 x i64> %ret |
| 116 | } |
| 117 | |
| 118 | ; Test a v2i64 shift by the lowest useful constant. |
| 119 | define <2 x i64> @f11(<2 x i64> %dummy, <2 x i64> %val) { |
| 120 | ; CHECK-LABEL: f11: |
| 121 | ; CHECK: vesrlg %v24, %v26, 1 |
| 122 | ; CHECK: br %r14 |
| 123 | %ret = lshr <2 x i64> %val, <i64 1, i64 1> |
| 124 | ret <2 x i64> %ret |
| 125 | } |
| 126 | |
| 127 | ; Test a v2i64 shift by the highest useful constant. |
| 128 | define <2 x i64> @f12(<2 x i64> %dummy, <2 x i64> %val) { |
| 129 | ; CHECK-LABEL: f12: |
| 130 | ; CHECK: vesrlg %v24, %v26, 63 |
| 131 | ; CHECK: br %r14 |
| 132 | %ret = lshr <2 x i64> %val, <i64 63, i64 63> |
| 133 | ret <2 x i64> %ret |
| 134 | } |