1; RUN: llc < %s -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown | FileCheck %s
2define i8 @atomic_min_i8() {
3    top:
4      %0 = alloca i8, align 2
5      %1 = bitcast i8* %0 to i8*
6      call void @llvm.lifetime.start.p0i8(i64 2, i8* %1)
7      store i8 -1, i8* %0, align 2
8      %2 = atomicrmw min i8* %0, i8 0 acq_rel
9      %3 = load atomic i8, i8* %0 acquire, align 8
10      call void @llvm.lifetime.end.p0i8(i64 2, i8* %1)
11      ret i8 %3
12; CHECK-LABEL: atomic_min_i8
13; CHECK: lbarx [[DST:[0-9]+]],
14; CHECK-NEXT: extsb [[EXT:[0-9]+]], [[DST]]
15; CHECK-NEXT: cmpw {{[0-9]+}}, [[EXT]]
16; CHECK-NEXT: bge 0
17}
18define i16 @atomic_min_i16() {
19    top:
20      %0 = alloca i16, align 2
21      %1 = bitcast i16* %0 to i8*
22      call void @llvm.lifetime.start.p0i8(i64 2, i8* %1)
23      store i16 -1, i16* %0, align 2
24      %2 = atomicrmw min i16* %0, i16 0 acq_rel
25      %3 = load atomic i16, i16* %0 acquire, align 8
26      call void @llvm.lifetime.end.p0i8(i64 2, i8* %1)
27      ret i16 %3
28; CHECK-LABEL: atomic_min_i16
29; CHECK: lharx [[DST:[0-9]+]],
30; CHECK-NEXT: extsh [[EXT:[0-9]+]], [[DST]]
31; CHECK-NEXT: cmpw {{[0-9]+}}, [[EXT]]
32; CHECK-NEXT: bge 0
33}
34
35define i8 @atomic_max_i8() {
36    top:
37      %0 = alloca i8, align 2
38      %1 = bitcast i8* %0 to i8*
39      call void @llvm.lifetime.start.p0i8(i64 2, i8* %1)
40      store i8 -1, i8* %0, align 2
41      %2 = atomicrmw max i8* %0, i8 0 acq_rel
42      %3 = load atomic i8, i8* %0 acquire, align 8
43      call void @llvm.lifetime.end.p0i8(i64 2, i8* %1)
44      ret i8 %3
45; CHECK-LABEL: atomic_max_i8
46; CHECK: lbarx [[DST:[0-9]+]],
47; CHECK-NEXT: extsb [[EXT:[0-9]+]], [[DST]]
48; CHECK-NEXT: cmpw {{[0-9]+}}, [[EXT]]
49; CHECK-NEXT: ble 0
50}
51define i16 @atomic_max_i16() {
52    top:
53      %0 = alloca i16, align 2
54      %1 = bitcast i16* %0 to i8*
55      call void @llvm.lifetime.start.p0i8(i64 2, i8* %1)
56      store i16 -1, i16* %0, align 2
57      %2 = atomicrmw max i16* %0, i16 0 acq_rel
58      %3 = load atomic i16, i16* %0 acquire, align 8
59      call void @llvm.lifetime.end.p0i8(i64 2, i8* %1)
60      ret i16 %3
61; CHECK-LABEL: atomic_max_i16
62; CHECK: lharx [[DST:[0-9]+]],
63; CHECK-NEXT: extsh [[EXT:[0-9]+]], [[DST]]
64; CHECK-NEXT: cmpw {{[0-9]+}}, [[EXT]]
65; CHECK-NEXT: ble 0
66}
67
68declare void @llvm.lifetime.start.p0i8(i64, i8*)
69declare void @llvm.lifetime.end.p0i8(i64, i8*)
70