1 ; Test 32-bit ORs in which the second operand is constant. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5 ; Check the lowest useful OILL value. 6 define i32 @f1(i32 %a) { 7 ; CHECK-LABEL: f1: 8 ; CHECK: oill %r2, 1 9 ; CHECK: br %r14 10 %or = or i32 %a, 1 11 ret i32 %or 12 } 13 14 ; Check the high end of the OILL range. 15 define i32 @f2(i32 %a) { 16 ; CHECK-LABEL: f2: 17 ; CHECK: oill %r2, 65535 18 ; CHECK: br %r14 19 %or = or i32 %a, 65535 20 ret i32 %or 21 } 22 23 ; Check the lowest useful OILH range, which is the next value up. 24 define i32 @f3(i32 %a) { 25 ; CHECK-LABEL: f3: 26 ; CHECK: oilh %r2, 1 27 ; CHECK: br %r14 28 %or = or i32 %a, 65536 29 ret i32 %or 30 } 31 32 ; Check the lowest useful OILF value, which is the next value up again. 33 define i32 @f4(i32 %a) { 34 ; CHECK-LABEL: f4: 35 ; CHECK: oilf %r2, 65537 36 ; CHECK: br %r14 37 %or = or i32 %a, 65537 38 ret i32 %or 39 } 40 41 ; Check the high end of the OILH range. 42 define i32 @f5(i32 %a) { 43 ; CHECK-LABEL: f5: 44 ; CHECK: oilh %r2, 65535 45 ; CHECK: br %r14 46 %or = or i32 %a, -65536 47 ret i32 %or 48 } 49 50 ; Check the next value up, which must use OILF instead. 51 define i32 @f6(i32 %a) { 52 ; CHECK-LABEL: f6: 53 ; CHECK: oilf %r2, 4294901761 54 ; CHECK: br %r14 55 %or = or i32 %a, -65535 56 ret i32 %or 57 } 58 59 ; Check the highest useful OILF value. 60 define i32 @f7(i32 %a) { 61 ; CHECK-LABEL: f7: 62 ; CHECK: oilf %r2, 4294967294 63 ; CHECK: br %r14 64 %or = or i32 %a, -2 65 ret i32 %or 66 } 67
