xref: /llvm-project/llvm/test/CodeGen/PowerPC/setcc-sub-flag.ll (revision 8e6d92026c624386b85675a4664e2666225fcfac)
1638fee62SKai Luo; RUN: llc -mtriple=powerpc64le -simplify-mir -verify-machineinstrs \
2638fee62SKai Luo; RUN:   -stop-after=finalize-isel < %s | FileCheck %s
3638fee62SKai Luo
4638fee62SKai Luodeclare void @foo(i64)
5638fee62SKai Luodeclare void @bar(i1)
6638fee62SKai Luo
7638fee62SKai Luodefine void @f(i64 %a, i64 %b) {
8638fee62SKai Luo  ; CHECK-LABEL: name: f
9638fee62SKai Luo  ; CHECK: bb.0 (%ir-block.0):
10638fee62SKai Luo  ; CHECK:   liveins: $x3, $x4
11638fee62SKai Luo  ; CHECK:   [[COPY:%[0-9]+]]:g8rc = COPY $x4
12638fee62SKai Luo  ; CHECK:   [[COPY1:%[0-9]+]]:g8rc = COPY $x3
13*8e6d9202SKai Luo  ; CHECK:   [[SUBF8_:%[0-9]+]]:g8rc = nsw SUBF8 [[COPY1]], [[COPY]]
14638fee62SKai Luo  %c = sub nsw i64 %b, %a
15638fee62SKai Luo  call void @foo(i64 %c)
16638fee62SKai Luo  %d = icmp slt i64 %a, %b
17638fee62SKai Luo  call void @bar(i1 %d)
18638fee62SKai Luo  ret void
19638fee62SKai Luo}
20638fee62SKai Luo
21638fee62SKai Luodefine void @g(i64 %a, i64 %b) {
22638fee62SKai Luo  ; CHECK-LABEL: name: g
23638fee62SKai Luo  ; CHECK: bb.0 (%ir-block.0):
24638fee62SKai Luo  ; CHECK:   liveins: $x3, $x4
25638fee62SKai Luo  ; CHECK:   [[COPY:%[0-9]+]]:g8rc = COPY $x4
26638fee62SKai Luo  ; CHECK:   [[COPY1:%[0-9]+]]:g8rc = COPY $x3
27638fee62SKai Luo  ; CHECK:   [[SUBF8_:%[0-9]+]]:g8rc = nsw SUBF8 [[COPY]], [[COPY1]]
28638fee62SKai Luo  %c = sub nsw i64 %a, %b
29638fee62SKai Luo  call void @foo(i64 %c)
30638fee62SKai Luo  %d = icmp slt i64 %a, %b
31638fee62SKai Luo  call void @bar(i1 %d)
32638fee62SKai Luo  ret void
33638fee62SKai Luo}
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