xref: /llvm-project/llvm/test/CodeGen/PowerPC/popcount.ll (revision 5403c59c608c08c8ecd4303763f08eb046eb5e4d)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -O0 -mtriple=powerpc64le-unknown-unknown | FileCheck %s
3
4; Function Attrs: nobuiltin nounwind readonly
5define i8 @popcount128(ptr nocapture nonnull readonly %0) {
6; CHECK-LABEL: popcount128:
7; CHECK:       # %bb.0: # %Entry
8; CHECK-NEXT:    mr 4, 3
9; CHECK-NEXT:    ld 3, 0(4)
10; CHECK-NEXT:    ld 4, 8(4)
11; CHECK-NEXT:    popcntd 4, 4
12; CHECK-NEXT:    popcntd 3, 3
13; CHECK-NEXT:    add 3, 3, 4
14; CHECK-NEXT:    # kill: def $r3 killed $r3 killed $x3
15; CHECK-NEXT:    clrldi 3, 3, 56
16; CHECK-NEXT:    blr
17Entry:
18  %1 = load i128, ptr %0, align 16
19  %2 = tail call i128 @llvm.ctpop.i128(i128 %1)
20  %3 = trunc i128 %2 to i8
21  ret i8 %3
22}
23
24; Function Attrs: nounwind readnone speculatable willreturn
25declare i128 @llvm.ctpop.i128(i128)
26
27; Function Attrs: nobuiltin nounwind readonly
28define i16 @popcount256(ptr nocapture nonnull readonly %0) {
29; CHECK-LABEL: popcount256:
30; CHECK:       # %bb.0: # %Entry
31; CHECK-NEXT:    mr 6, 3
32; CHECK-NEXT:    ld 3, 0(6)
33; CHECK-NEXT:    ld 5, 8(6)
34; CHECK-NEXT:    ld 4, 16(6)
35; CHECK-NEXT:    ld 6, 24(6)
36; CHECK-NEXT:    popcntd 6, 6
37; CHECK-NEXT:    popcntd 4, 4
38; CHECK-NEXT:    add 4, 4, 6
39; CHECK-NEXT:    popcntd 5, 5
40; CHECK-NEXT:    popcntd 3, 3
41; CHECK-NEXT:    add 3, 3, 5
42; CHECK-NEXT:    add 3, 3, 4
43; CHECK-NEXT:    # kill: def $r3 killed $r3 killed $x3
44; CHECK-NEXT:    clrldi 3, 3, 48
45; CHECK-NEXT:    blr
46Entry:
47  %1 = load i256, ptr %0, align 16
48  %2 = tail call i256 @llvm.ctpop.i256(i256 %1)
49  %3 = trunc i256 %2 to i16
50  ret i16 %3
51}
52
53; Function Attrs: nounwind readnone speculatable willreturn
54declare i256 @llvm.ctpop.i256(i256)
55
56define <1 x i128> @popcount1x128(<1 x i128> %0) {
57; CHECK-LABEL: popcount1x128:
58; CHECK:       # %bb.0: # %Entry
59; CHECK-NEXT:    xxlor 0, 34, 34
60; CHECK-NEXT:    # kill: def $f0 killed $f0 killed $vsl0
61; CHECK-NEXT:    mffprd 3, 0
62; CHECK-NEXT:    popcntd 4, 3
63; CHECK-NEXT:    xxswapd 0, 34
64; CHECK-NEXT:    # kill: def $f0 killed $f0 killed $vsl0
65; CHECK-NEXT:    mffprd 3, 0
66; CHECK-NEXT:    popcntd 3, 3
67; CHECK-NEXT:    add 3, 3, 4
68; CHECK-NEXT:    mtfprd 0, 3
69; CHECK-NEXT:    fmr 1, 0
70; CHECK-NEXT:    li 3, 0
71; CHECK-NEXT:    mtfprd 0, 3
72; CHECK-NEXT:    # kill: def $vsl0 killed $f0
73; CHECK-NEXT:    xxmrghd 34, 0, 1
74; CHECK-NEXT:    blr
75Entry:
76  %1 = tail call <1 x i128> @llvm.ctpop.v1.i128(<1 x i128> %0)
77  ret <1 x i128> %1
78}
79
80declare <1 x i128> @llvm.ctpop.v1.i128(<1 x i128>)
81