1 ; Test insertions of 16-bit constants into one half of an i32. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5 ; Check the lowest useful IILL value. (We use NILL rather than IILL 6 ; to clear 16 bits.) 7 define i32 @f1(i32 %a) { 8 ; CHECK-LABEL: f1: 9 ; CHECK-NOT: ni 10 ; CHECK: iill %r2, 1 11 ; CHECK: br %r14 12 %and = and i32 %a, 4294901760 13 %or = or i32 %and, 1 14 ret i32 %or 15 } 16 17 ; Check a middle value. 18 define i32 @f2(i32 %a) { 19 ; CHECK-LABEL: f2: 20 ; CHECK-NOT: ni 21 ; CHECK: iill %r2, 32769 22 ; CHECK: br %r14 23 %and = and i32 %a, -65536 24 %or = or i32 %and, 32769 25 ret i32 %or 26 } 27 28 ; Check the highest useful IILL value. (We use OILL rather than IILL 29 ; to set 16 bits.) 30 define i32 @f3(i32 %a) { 31 ; CHECK-LABEL: f3: 32 ; CHECK-NOT: ni 33 ; CHECK: iill %r2, 65534 34 ; CHECK: br %r14 35 %and = and i32 %a, 4294901760 36 %or = or i32 %and, 65534 37 ret i32 %or 38 } 39 40 ; Check the lowest useful IILH value. 41 define i32 @f4(i32 %a) { 42 ; CHECK-LABEL: f4: 43 ; CHECK-NOT: ni 44 ; CHECK: iilh %r2, 1 45 ; CHECK: br %r14 46 %and = and i32 %a, 65535 47 %or = or i32 %and, 65536 48 ret i32 %or 49 } 50 51 ; Check a middle value. 52 define i32 @f5(i32 %a) { 53 ; CHECK-LABEL: f5: 54 ; CHECK-NOT: ni 55 ; CHECK: iilh %r2, 32767 56 ; CHECK: br %r14 57 %and = and i32 %a, 65535 58 %or = or i32 %and, 2147418112 59 ret i32 %or 60 } 61 62 ; Check the highest useful IILH value. 63 define i32 @f6(i32 %a) { 64 ; CHECK-LABEL: f6: 65 ; CHECK-NOT: ni 66 ; CHECK: iilh %r2, 65534 67 ; CHECK: br %r14 68 %and = and i32 %a, 65535 69 %or = or i32 %and, -131072 70 ret i32 %or 71 } 72
