1 ; Test 64-bit atomic ORs. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s 4 5 ; Check ORs of a variable. 6 define i64 @f1(i64 %dummy, i64 *%src, i64 %b) { 7 ; CHECK-LABEL: f1: 8 ; CHECK: lg %r2, 0(%r3) 9 ; CHECK: [[LABEL:\.[^ ]*]]: 10 ; CHECK: lgr %r0, %r2 11 ; CHECK: ogr %r0, %r4 12 ; CHECK: csg %r2, %r0, 0(%r3) 13 ; CHECK: jl [[LABEL]] 14 ; CHECK: br %r14 15 %res = atomicrmw or i64 *%src, i64 %b seq_cst 16 ret i64 %res 17 } 18 19 ; Check the lowest useful OILL value. 20 define i64 @f2(i64 %dummy, i64 *%src) { 21 ; CHECK-LABEL: f2: 22 ; CHECK: lg %r2, 0(%r3) 23 ; CHECK: [[LABEL:\.[^ ]*]]: 24 ; CHECK: lgr %r0, %r2 25 ; CHECK: oill %r0, 1 26 ; CHECK: csg %r2, %r0, 0(%r3) 27 ; CHECK: jl [[LABEL]] 28 ; CHECK: br %r14 29 %res = atomicrmw or i64 *%src, i64 1 seq_cst 30 ret i64 %res 31 } 32 33 ; Check the high end of the OILL range. 34 define i64 @f3(i64 %dummy, i64 *%src) { 35 ; CHECK-LABEL: f3: 36 ; CHECK: oill %r0, 65535 37 ; CHECK: br %r14 38 %res = atomicrmw or i64 *%src, i64 65535 seq_cst 39 ret i64 %res 40 } 41 42 ; Check the lowest useful OILH value, which is the next value up. 43 define i64 @f4(i64 %dummy, i64 *%src) { 44 ; CHECK-LABEL: f4: 45 ; CHECK: oilh %r0, 1 46 ; CHECK: br %r14 47 %res = atomicrmw or i64 *%src, i64 65536 seq_cst 48 ret i64 %res 49 } 50 51 ; Check the lowest useful OILF value, which is the next value up again. 52 define i64 @f5(i64 %dummy, i64 *%src) { 53 ; CHECK-LABEL: f5: 54 ; CHECK: oilf %r0, 65537 55 ; CHECK: br %r14 56 %res = atomicrmw or i64 *%src, i64 65537 seq_cst 57 ret i64 %res 58 } 59 60 ; Check the high end of the OILH range. 61 define i64 @f6(i64 %dummy, i64 *%src) { 62 ; CHECK-LABEL: f6: 63 ; CHECK: oilh %r0, 65535 64 ; CHECK: br %r14 65 %res = atomicrmw or i64 *%src, i64 4294901760 seq_cst 66 ret i64 %res 67 } 68 69 ; Check the next value up, which must use OILF. 70 define i64 @f7(i64 %dummy, i64 *%src) { 71 ; CHECK-LABEL: f7: 72 ; CHECK: oilf %r0, 4294901761 73 ; CHECK: br %r14 74 %res = atomicrmw or i64 *%src, i64 4294901761 seq_cst 75 ret i64 %res 76 } 77 78 ; Check the high end of the OILF range. 79 define i64 @f8(i64 %dummy, i64 *%src) { 80 ; CHECK-LABEL: f8: 81 ; CHECK: oilf %r0, 4294967295 82 ; CHECK: br %r14 83 %res = atomicrmw or i64 *%src, i64 4294967295 seq_cst 84 ret i64 %res 85 } 86 87 ; Check the lowest useful OIHL value, which is one greater than above. 88 define i64 @f9(i64 %dummy, i64 *%src) { 89 ; CHECK-LABEL: f9: 90 ; CHECK: oihl %r0, 1 91 ; CHECK: br %r14 92 %res = atomicrmw or i64 *%src, i64 4294967296 seq_cst 93 ret i64 %res 94 } 95 96 ; Check the next value up, which must use a register. (We could use 97 ; combinations of OIH* and OIL* instead, but that isn't implemented.) 98 define i64 @f10(i64 %dummy, i64 *%src) { 99 ; CHECK-LABEL: f10: 100 ; CHECK: ogr 101 ; CHECK: br %r14 102 %res = atomicrmw or i64 *%src, i64 4294967297 seq_cst 103 ret i64 %res 104 } 105 106 ; Check the high end of the OIHL range. 107 define i64 @f11(i64 %dummy, i64 *%src) { 108 ; CHECK-LABEL: f11: 109 ; CHECK: oihl %r0, 65535 110 ; CHECK: br %r14 111 %res = atomicrmw or i64 *%src, i64 281470681743360 seq_cst 112 ret i64 %res 113 } 114 115 ; Check the lowest useful OIHH value, which is 1<<32 greater than above. 116 define i64 @f12(i64 %dummy, i64 *%src) { 117 ; CHECK-LABEL: f12: 118 ; CHECK: oihh %r0, 1 119 ; CHECK: br %r14 120 %res = atomicrmw or i64 *%src, i64 281474976710656 seq_cst 121 ret i64 %res 122 } 123 124 ; Check the lowest useful OIHF value, which is 1<<32 greater again. 125 define i64 @f13(i64 %dummy, i64 *%src) { 126 ; CHECK-LABEL: f13: 127 ; CHECK: oihf %r0, 65537 128 ; CHECK: br %r14 129 %res = atomicrmw or i64 *%src, i64 281479271677952 seq_cst 130 ret i64 %res 131 } 132 133 ; Check the high end of the OIHH range. 134 define i64 @f14(i64 %dummy, i64 *%src) { 135 ; CHECK-LABEL: f14: 136 ; CHECK: oihh %r0, 65535 137 ; CHECK: br %r14 138 %res = atomicrmw or i64 *%src, i64 18446462598732840960 seq_cst 139 ret i64 %res 140 } 141 142 ; Check the next value up, which must use a register. 143 define i64 @f15(i64 %dummy, i64 *%src) { 144 ; CHECK-LABEL: f15: 145 ; CHECK: ogr 146 ; CHECK: br %r14 147 %res = atomicrmw or i64 *%src, i64 18446462598732840961 seq_cst 148 ret i64 %res 149 } 150 151 ; Check the high end of the OIHF range. 152 define i64 @f16(i64 %dummy, i64 *%src) { 153 ; CHECK-LABEL: f16: 154 ; CHECK: oihf %r0, 4294967295 155 ; CHECK: br %r14 156 %res = atomicrmw or i64 *%src, i64 -4294967296 seq_cst 157 ret i64 %res 158 } 159
