mirror of
https://github.com/jeremysrand/llvm-65816.git
synced 2024-11-18 23:05:00 +00:00
72 lines
1.4 KiB
LLVM
72 lines
1.4 KiB
LLVM
|
; Test insertions of 16-bit constants into one half of an i32.
|
||
|
|
;
|
||
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
||
|
|
|
||
|
|
; Check the lowest useful IILL value. (We use NILL rather than IILL
|
||
|
|
; to clear 16 bits.)
|
||
|
|
define i32 @f1(i32 %a) {
|
||
|
|
; CHECK-LABEL: f1:
|
||
|
|
; CHECK-NOT: ni
|
||
|
|
; CHECK: iill %r2, 1
|
||
|
|
; CHECK: br %r14
|
||
|
|
%and = and i32 %a, 4294901760
|
||
|
|
%or = or i32 %and, 1
|
||
|
|
ret i32 %or
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check a middle value.
|
||
|
|
define i32 @f2(i32 %a) {
|
||
|
|
; CHECK-LABEL: f2:
|
||
|
|
; CHECK-NOT: ni
|
||
|
|
; CHECK: iill %r2, 32769
|
||
|
|
; CHECK: br %r14
|
||
|
|
%and = and i32 %a, -65536
|
||
|
|
%or = or i32 %and, 32769
|
||
|
|
ret i32 %or
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the highest useful IILL value. (We use OILL rather than IILL
|
||
|
|
; to set 16 bits.)
|
||
|
|
define i32 @f3(i32 %a) {
|
||
|
|
; CHECK-LABEL: f3:
|
||
|
|
; CHECK-NOT: ni
|
||
|
|
; CHECK: iill %r2, 65534
|
||
|
|
; CHECK: br %r14
|
||
|
|
%and = and i32 %a, 4294901760
|
||
|
|
%or = or i32 %and, 65534
|
||
|
|
ret i32 %or
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the lowest useful IILH value.
|
||
|
|
define i32 @f4(i32 %a) {
|
||
|
|
; CHECK-LABEL: f4:
|
||
|
|
; CHECK-NOT: ni
|
||
|
|
; CHECK: iilh %r2, 1
|
||
|
|
; CHECK: br %r14
|
||
|
|
%and = and i32 %a, 65535
|
||
|
|
%or = or i32 %and, 65536
|
||
|
|
ret i32 %or
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check a middle value.
|
||
|
|
define i32 @f5(i32 %a) {
|
||
|
|
; CHECK-LABEL: f5:
|
||
|
|
; CHECK-NOT: ni
|
||
|
|
; CHECK: iilh %r2, 32767
|
||
|
|
; CHECK: br %r14
|
||
|
|
%and = and i32 %a, 65535
|
||
|
|
%or = or i32 %and, 2147418112
|
||
|
|
ret i32 %or
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the highest useful IILH value.
|
||
|
|
define i32 @f6(i32 %a) {
|
||
|
|
; CHECK-LABEL: f6:
|
||
|
|
; CHECK-NOT: ni
|
||
|
|
; CHECK: iilh %r2, 65534
|
||
|
|
; CHECK: br %r14
|
||
|
|
%and = and i32 %a, 65535
|
||
|
|
%or = or i32 %and, -131072
|
||
|
|
ret i32 %or
|
||
|
|
}
|