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. 6define <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. 14define <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). 25define <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. 36define <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. 47define <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. 58define <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). 66define <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. 74define <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). 82define <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. 90define <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). 98define <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