1 ; Test vector byte masks, v8i16 version. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s 4 5 ; Test an all-zeros vector. 6 define <8 x i16> @f1() { 7 ; CHECK-LABEL: f1: 8 ; CHECK: vgbm %v24, 0 9 ; CHECK: br %r14 10 ret <8 x i16> zeroinitializer 11 } 12 13 ; Test an all-ones vector. 14 define <8 x i16> @f2() { 15 ; CHECK-LABEL: f2: 16 ; CHECK: vgbm %v24, 65535 17 ; CHECK: br %r14 18 ret <8 x i16> <i16 -1, i16 -1, i16 -1, i16 -1, 19 i16 -1, i16 -1, i16 -1, i16 -1> 20 } 21 22 ; Test a mixed vector (mask 0x8c76). 23 define <8 x i16> @f3() { 24 ; CHECK-LABEL: f3: 25 ; CHECK: vgbm %v24, 35958 26 ; CHECK: br %r14 27 ret <8 x i16> <i16 65280, i16 0, i16 65535, i16 0, 28 i16 255, i16 65535, i16 255, i16 65280> 29 } 30 31 ; Test that undefs are treated as zero. 32 define <8 x i16> @f4() { 33 ; CHECK-LABEL: f4: 34 ; CHECK: vgbm %v24, 35958 35 ; CHECK: br %r14 36 ret <8 x i16> <i16 65280, i16 undef, i16 65535, i16 undef, 37 i16 255, i16 65535, i16 255, i16 65280> 38 } 39 40 ; Test that we don't use VGBM if one of the bytes is not 0 or 0xff. 41 define <8 x i16> @f5() { 42 ; CHECK-LABEL: f5: 43 ; CHECK-NOT: vgbm 44 ; CHECK: br %r14 45 ret <8 x i16> <i16 65280, i16 0, i16 65535, i16 0, 46 i16 255, i16 65535, i16 256, i16 65280> 47 } 48 49 ; Test an all-zeros v2i16 that gets promoted to v8i16. 50 define <2 x i16> @f6() { 51 ; CHECK-LABEL: f6: 52 ; CHECK: vgbm %v24, 0 53 ; CHECK: br %r14 54 ret <2 x i16> zeroinitializer 55 } 56 57 ; Test a mixed v2i16 that gets promoted to v8i16 (mask 0xc000). 58 define <2 x i16> @f7() { 59 ; CHECK-LABEL: f7: 60 ; CHECK: vgbm %v24, 49152 61 ; CHECK: br %r14 62 ret <2 x i16> <i16 65535, i16 0> 63 } 64 65 ; Test an all-zeros v4i16 that gets promoted to v8i16. 66 define <4 x i16> @f8() { 67 ; CHECK-LABEL: f8: 68 ; CHECK: vgbm %v24, 0 69 ; CHECK: br %r14 70 ret <4 x i16> zeroinitializer 71 } 72 73 ; Test a mixed v4i16 that gets promoted to v8i16 (mask 0x7200). 74 define <4 x i16> @f9() { 75 ; CHECK-LABEL: f9: 76 ; CHECK: vgbm %v24, 29184 77 ; CHECK: br %r14 78 ret <4 x i16> <i16 255, i16 65535, i16 0, i16 65280> 79 } 80
