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 } 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 } 104
