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1; Test of subtraction that involves a constant as the first operand
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
4
5; Check highest 16-bit signed int immediate value.
6define i64 @f1(i64 %a) {
7; CHECK-LABEL: f1:
8; CHECK: lghi %r0, 32767
9; CHECK: sgrk %r2, %r0, %r2
10; CHECK: br %r14
11  %sub = sub i64 32767, %a
12  ret i64 %sub
13}
14; Check highest 32-bit signed int immediate value.
15define i64 @f2(i64 %a) {
16; CHECK-LABEL: f2:
17; CHECK: lgfi %r0, 2147483647
18; CHECK: sgrk %r2, %r0, %r2
19; CHECK: br %r14
20  %sub = sub i64 2147483647, %a
21  ret i64 %sub
22}
23