| Ulrich Weigand | ce4c109 | 2015-05-05 19:25:42 +0000 | [diff] [blame] | 1 | ; Test vector byte masks, v16i8 version. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s |
| 4 | |
| 5 | ; Test an all-zeros vector. |
| 6 | define <16 x i8> @f1() { |
| 7 | ; CHECK-LABEL: f1: |
| 8 | ; CHECK: vgbm %v24, 0 |
| 9 | ; CHECK: br %r14 |
| 10 | ret <16 x i8> zeroinitializer |
| 11 | } |
| 12 | |
| 13 | ; Test an all-ones vector. |
| 14 | define <16 x i8> @f2() { |
| 15 | ; CHECK-LABEL: f2: |
| 16 | ; CHECK: vgbm %v24, 65535 |
| 17 | ; CHECK: br %r14 |
| 18 | ret <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, |
| 19 | i8 -1, i8 -1, i8 -1, i8 -1, |
| 20 | i8 -1, i8 -1, i8 -1, i8 -1, |
| 21 | i8 -1, i8 -1, i8 -1, i8 -1> |
| 22 | } |
| 23 | |
| 24 | ; Test a mixed vector (mask 0x8c75). |
| 25 | define <16 x i8> @f3() { |
| 26 | ; CHECK-LABEL: f3: |
| 27 | ; CHECK: vgbm %v24, 35957 |
| 28 | ; CHECK: br %r14 |
| 29 | ret <16 x i8> <i8 -1, i8 0, i8 0, i8 0, |
| 30 | i8 -1, i8 -1, i8 0, i8 0, |
| 31 | i8 0, i8 -1, i8 -1, i8 -1, |
| 32 | i8 0, i8 -1, i8 0, i8 -1> |
| 33 | } |
| 34 | |
| 35 | ; Test that undefs are treated as zero. |
| 36 | define <16 x i8> @f4() { |
| 37 | ; CHECK-LABEL: f4: |
| 38 | ; CHECK: vgbm %v24, 35957 |
| 39 | ; CHECK: br %r14 |
| 40 | ret <16 x i8> <i8 -1, i8 undef, i8 undef, i8 undef, |
| 41 | i8 -1, i8 -1, i8 undef, i8 undef, |
| 42 | i8 undef, i8 -1, i8 -1, i8 -1, |
| 43 | i8 undef, i8 -1, i8 undef, i8 -1> |
| 44 | } |
| 45 | |
| 46 | ; Test that we don't use VGBM if one of the bytes is not 0 or 0xff. |
| 47 | define <16 x i8> @f5() { |
| 48 | ; CHECK-LABEL: f5: |
| 49 | ; CHECK-NOT: vgbm |
| 50 | ; CHECK: br %r14 |
| 51 | ret <16 x i8> <i8 -1, i8 0, i8 0, i8 0, |
| 52 | i8 -1, i8 -1, i8 0, i8 1, |
| 53 | i8 0, i8 -1, i8 -1, i8 -1, |
| 54 | i8 0, i8 -1, i8 0, i8 -1> |
| 55 | } |
| Ulrich Weigand | cd2a1b5 | 2015-05-05 19:29:21 +0000 | [diff] [blame] | 56 | |
| 57 | ; Test an all-zeros v2i8 that gets promoted to v16i8. |
| 58 | define <2 x i8> @f6() { |
| 59 | ; CHECK-LABEL: f6: |
| 60 | ; CHECK: vgbm %v24, 0 |
| 61 | ; CHECK: br %r14 |
| 62 | ret <2 x i8> zeroinitializer |
| 63 | } |
| 64 | |
| 65 | ; Test a mixed v2i8 that gets promoted to v16i8 (mask 0x8000). |
| 66 | define <2 x i8> @f7() { |
| 67 | ; CHECK-LABEL: f7: |
| 68 | ; CHECK: vgbm %v24, 32768 |
| 69 | ; CHECK: br %r14 |
| 70 | ret <2 x i8> <i8 255, i8 0> |
| 71 | } |
| 72 | |
| 73 | ; Test an all-zeros v4i8 that gets promoted to v16i8. |
| 74 | define <4 x i8> @f8() { |
| 75 | ; CHECK-LABEL: f8: |
| 76 | ; CHECK: vgbm %v24, 0 |
| 77 | ; CHECK: br %r14 |
| 78 | ret <4 x i8> zeroinitializer |
| 79 | } |
| 80 | |
| 81 | ; Test a mixed v4i8 that gets promoted to v16i8 (mask 0x9000). |
| 82 | define <4 x i8> @f9() { |
| 83 | ; CHECK-LABEL: f9: |
| 84 | ; CHECK: vgbm %v24, 36864 |
| 85 | ; CHECK: br %r14 |
| 86 | ret <4 x i8> <i8 255, i8 0, i8 0, i8 255> |
| 87 | } |
| 88 | |
| 89 | ; Test an all-zeros v8i8 that gets promoted to v16i8. |
| 90 | define <8 x i8> @f10() { |
| 91 | ; CHECK-LABEL: f10: |
| 92 | ; CHECK: vgbm %v24, 0 |
| 93 | ; CHECK: br %r14 |
| 94 | ret <8 x i8> zeroinitializer |
| 95 | } |
| 96 | |
| 97 | ; Test a mixed v8i8 that gets promoted to v16i8 (mask 0xE500). |
| 98 | define <8 x i8> @f11() { |
| 99 | ; CHECK-LABEL: f11: |
| 100 | ; CHECK: vgbm %v24, 58624 |
| 101 | ; CHECK: br %r14 |
| 102 | ret <8 x i8> <i8 255, i8 255, i8 255, i8 0, i8 0, i8 255, i8 0, i8 255> |
| 103 | } |