1; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
2; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s
3
4; Make sure that the subfic is generated iff possible
5
6define i64 @subtract_from_imm1(i64 %v) nounwind readnone {
7entry:
8; CHECK-LABEL: subtract_from_imm1
9; CHECK: subfic 3, 3, 32767
10; CHECK: blr
11  %sub = sub i64 32767, %v
12  ret i64 %sub
13}
14
15define i64 @subtract_from_imm2(i64 %v) nounwind readnone {
16entry:
17; CHECK-LABEL: subtract_from_imm2
18; CHECK-NOT: subfic
19; CHECK: blr
20  %sub = sub i64 32768, %v
21  ret i64 %sub
22}
23
24define i64 @subtract_from_imm3(i64 %v) nounwind readnone {
25entry:
26; CHECK-LABEL: subtract_from_imm3
27; CHECK: subfic 3, 3, -32768
28; CHECK: blr
29  %sub = sub i64 -32768, %v
30  ret i64 %sub
31}
32
33define i64 @subtract_from_imm4(i64 %v) nounwind readnone {
34entry:
35; CHECK-LABEL: subtract_from_imm4
36; CHECK-NOT: subfic
37; CHECK: blr
38  %sub = sub i64 -32769, %v
39  ret i64 %sub
40}
41
42