1; Test 32-bit atomic ORs. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s 4 5; Check ORs of a variable. 6define i32 @f1(i32 %dummy, i32 *%src, i32 %b) { 7; CHECK-LABEL: f1: 8; CHECK: l %r2, 0(%r3) 9; CHECK: [[LABEL:\.[^ ]*]]: 10; CHECK: lr %r0, %r2 11; CHECK: or %r0, %r4 12; CHECK: cs %r2, %r0, 0(%r3) 13; CHECK: jl [[LABEL]] 14; CHECK: br %r14 15 %res = atomicrmw or i32 *%src, i32 %b seq_cst 16 ret i32 %res 17} 18 19; Check the lowest useful OILL value. 20define i32 @f2(i32 %dummy, i32 *%src) { 21; CHECK-LABEL: f2: 22; CHECK: l %r2, 0(%r3) 23; CHECK: [[LABEL:\.[^ ]*]]: 24; CHECK: lr %r0, %r2 25; CHECK: oill %r0, 1 26; CHECK: cs %r2, %r0, 0(%r3) 27; CHECK: jl [[LABEL]] 28; CHECK: br %r14 29 %res = atomicrmw or i32 *%src, i32 1 seq_cst 30 ret i32 %res 31} 32 33; Check the high end of the OILL range. 34define i32 @f3(i32 %dummy, i32 *%src) { 35; CHECK-LABEL: f3: 36; CHECK: oill %r0, 65535 37; CHECK: br %r14 38 %res = atomicrmw or i32 *%src, i32 65535 seq_cst 39 ret i32 %res 40} 41 42; Check the lowest useful OILH value, which is the next value up. 43define i32 @f4(i32 %dummy, i32 *%src) { 44; CHECK-LABEL: f4: 45; CHECK: oilh %r0, 1 46; CHECK: br %r14 47 %res = atomicrmw or i32 *%src, i32 65536 seq_cst 48 ret i32 %res 49} 50 51; Check the lowest useful OILF value, which is the next value up. 52define i32 @f5(i32 %dummy, i32 *%src) { 53; CHECK-LABEL: f5: 54; CHECK: oilf %r0, 65537 55; CHECK: br %r14 56 %res = atomicrmw or i32 *%src, i32 65537 seq_cst 57 ret i32 %res 58} 59 60; Check the high end of the OILH range. 61define i32 @f6(i32 %dummy, i32 *%src) { 62; CHECK-LABEL: f6: 63; CHECK: oilh %r0, 65535 64; CHECK: br %r14 65 %res = atomicrmw or i32 *%src, i32 -65536 seq_cst 66 ret i32 %res 67} 68 69; Check the next value up, which must use OILF. 70define i32 @f7(i32 %dummy, i32 *%src) { 71; CHECK-LABEL: f7: 72; CHECK: oilf %r0, 4294901761 73; CHECK: br %r14 74 %res = atomicrmw or i32 *%src, i32 -65535 seq_cst 75 ret i32 %res 76} 77 78; Check the largest useful OILF value. 79define i32 @f8(i32 %dummy, i32 *%src) { 80; CHECK-LABEL: f8: 81; CHECK: oilf %r0, 4294967294 82; CHECK: br %r14 83 %res = atomicrmw or i32 *%src, i32 -2 seq_cst 84 ret i32 %res 85} 86