xref: /llvm-project/llvm/test/Analysis/CostModel/AArch64/ctlz.ll (revision 2a859b20146108af84c741a509dc0e534e045768) 
1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
2; RUN: opt < %s -mtriple=aarch64 -passes="print<cost-model>" 2>&1 -disable-output | FileCheck %s
3
4; Verify the cost of scalar ctlz instructions.
5
6target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
7
8define i64 @test_ctlz_i64(i64 %a) {
9;
10; CHECK-LABEL: 'test_ctlz_i64'
11; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call i64 @llvm.ctlz.i64(i64 %a, i1 false)
12; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i64 %ctlz
13;
14  %ctlz = call i64 @llvm.ctlz.i64(i64 %a)
15  ret i64 %ctlz
16}
17
18define i32 @test_ctlz_i32(i32 %a) {
19;
20; CHECK-LABEL: 'test_ctlz_i32'
21; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call i32 @llvm.ctlz.i32(i32 %a, i1 false)
22; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 %ctlz
23;
24  %ctlz = call i32 @llvm.ctlz.i32(i32 %a)
25  ret i32 %ctlz
26}
27
28define i16 @test_ctlz_i16(i16 %a) {
29;
30; CHECK-LABEL: 'test_ctlz_i16'
31; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call i16 @llvm.ctlz.i16(i16 %a, i1 false)
32; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i16 %ctlz
33;
34  %ctlz = call i16 @llvm.ctlz.i16(i16 %a)
35  ret i16 %ctlz
36}
37
38define i8 @test_ctlz_i8(i8 %a) {
39;
40; CHECK-LABEL: 'test_ctlz_i8'
41; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call i8 @llvm.ctlz.i8(i8 %a, i1 false)
42; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i8 %ctlz
43;
44  %ctlz = call i8 @llvm.ctlz.i8(i8 %a)
45  ret i8 %ctlz
46}
47
48declare i64 @llvm.ctlz.i64(i64)
49declare i32 @llvm.ctlz.i32(i32)
50declare i16 @llvm.ctlz.i16(i16)
51declare i8 @llvm.ctlz.i8(i8)
52
53; Verify the cost of vector ctlz instructions.
54
55define <2 x i64> @test_ctlz_v2i64(<2 x i64> %a) {
56;
57; CHECK-LABEL: 'test_ctlz_v2i64'
58; CHECK-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %ctlz = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 false)
59; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %ctlz
60;
61  %ctlz = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 false)
62  ret <2 x i64> %ctlz
63}
64
65define <2 x i32> @test_ctlz_v2i32(<2 x i32> %a) {
66;
67; CHECK-LABEL: 'test_ctlz_v2i32'
68; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false)
69; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i32> %ctlz
70;
71  %ctlz = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false)
72  ret <2 x i32> %ctlz
73}
74
75define <4 x i32> @test_ctlz_v4i32(<4 x i32> %a) {
76;
77; CHECK-LABEL: 'test_ctlz_v4i32'
78; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %a, i1 false)
79; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %ctlz
80;
81  %ctlz = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %a, i1 false)
82  ret <4 x i32> %ctlz
83}
84
85define <2 x i16> @test_ctlz_v2i16(<2 x i16> %a) {
86;
87; CHECK-LABEL: 'test_ctlz_v2i16'
88; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call <2 x i16> @llvm.ctlz.v2i16(<2 x i16> %a, i1 false)
89; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i16> %ctlz
90;
91  %ctlz = call <2 x i16> @llvm.ctlz.v2i16(<2 x i16> %a, i1 false)
92  ret <2 x i16> %ctlz
93}
94
95define <4 x i16> @test_ctlz_v4i16(<4 x i16> %a) {
96;
97; CHECK-LABEL: 'test_ctlz_v4i16'
98; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call <4 x i16> @llvm.ctlz.v4i16(<4 x i16> %a, i1 false)
99; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i16> %ctlz
100;
101  %ctlz = call <4 x i16> @llvm.ctlz.v4i16(<4 x i16> %a, i1 false)
102  ret <4 x i16> %ctlz
103}
104
105define <8 x i16> @test_ctlz_v8i16(<8 x i16> %a) {
106;
107; CHECK-LABEL: 'test_ctlz_v8i16'
108; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call <8 x i16> @llvm.ctlz.v8i16(<8 x i16> %a, i1 false)
109; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %ctlz
110;
111  %ctlz = call <8 x i16> @llvm.ctlz.v8i16(<8 x i16> %a, i1 false)
112  ret <8 x i16> %ctlz
113}
114
115define <2 x i8> @test_ctlz_v2i8(<2 x i8> %a) {
116;
117; CHECK-LABEL: 'test_ctlz_v2i8'
118; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call <2 x i8> @llvm.ctlz.v2i8(<2 x i8> %a, i1 false)
119; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i8> %ctlz
120;
121  %ctlz = call <2 x i8> @llvm.ctlz.v2i8(<2 x i8> %a, i1 false)
122  ret <2 x i8> %ctlz
123}
124
125define <4 x i8> @test_ctlz_v4i8(<4 x i8> %a) {
126;
127; CHECK-LABEL: 'test_ctlz_v4i8'
128; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call <4 x i8> @llvm.ctlz.v4i8(<4 x i8> %a, i1 false)
129; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i8> %ctlz
130;
131  %ctlz = call <4 x i8> @llvm.ctlz.v4i8(<4 x i8> %a, i1 false)
132  ret <4 x i8> %ctlz
133}
134
135define <8 x i8> @test_ctlz_v8i8(<8 x i8> %a) {
136;
137; CHECK-LABEL: 'test_ctlz_v8i8'
138; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call <8 x i8> @llvm.ctlz.v8i8(<8 x i8> %a, i1 false)
139; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i8> %ctlz
140;
141  %ctlz = call <8 x i8> @llvm.ctlz.v8i8(<8 x i8> %a, i1 false)
142  ret <8 x i8> %ctlz
143}
144
145define <16 x i8> @test_ctlz_v16i8(<16 x i8> %a) {
146;
147; CHECK-LABEL: 'test_ctlz_v16i8'
148; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %ctlz = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %a, i1 false)
149; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %ctlz
150;
151  %ctlz = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %a, i1 false)
152  ret <16 x i8> %ctlz
153}
154
155define <4 x i64> @test_ctlz_v4i64(<4 x i64> %a) {
156; CHECK-LABEL: 'test_ctlz_v4i64'
157; CHECK-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %ctlz = call <4 x i64> @llvm.ctlz.v4i64(<4 x i64> %a, i1 false)
158; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %ctlz
159;
160  %ctlz = call <4 x i64> @llvm.ctlz.v4i64(<4 x i64> %a, i1 false)
161  ret <4 x i64> %ctlz
162}
163
164define <8 x i32> @test_ctlz_v8i32(<8 x i32> %a) {
165; CHECK-LABEL: 'test_ctlz_v8i32'
166; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %ctlz = call <8 x i32> @llvm.ctlz.v8i32(<8 x i32> %a, i1 false)
167; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %ctlz
168;
169  %ctlz = call <8 x i32> @llvm.ctlz.v8i32(<8 x i32> %a, i1 false)
170  ret <8 x i32> %ctlz
171}
172
173define <16 x i16> @test_ctlz_v16i16(<16 x i16> %a) {
174; CHECK-LABEL: 'test_ctlz_v16i16'
175; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %ctlz = call <16 x i16> @llvm.ctlz.v16i16(<16 x i16> %a, i1 false)
176; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %ctlz
177;
178  %ctlz = call <16 x i16> @llvm.ctlz.v16i16(<16 x i16> %a, i1 false)
179  ret <16 x i16> %ctlz
180}
181
182define <32 x i8> @test_ctlz_v32i8(<32 x i8> %a) {
183; CHECK-LABEL: 'test_ctlz_v32i8'
184; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %ctlz = call <32 x i8> @llvm.ctlz.v32i8(<32 x i8> %a, i1 false)
185; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %ctlz
186;
187  %ctlz = call <32 x i8> @llvm.ctlz.v32i8(<32 x i8> %a, i1 false)
188  ret <32 x i8> %ctlz
189}
190
191declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>, i1)
192declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1)
193declare <4 x i32> @llvm.ctlz.v4i32(<4 x i32>, i1)
194declare <2 x i16> @llvm.ctlz.v2i16(<2 x i16>, i1)
195declare <4 x i16> @llvm.ctlz.v4i16(<4 x i16>, i1)
196declare <8 x i16> @llvm.ctlz.v8i16(<8 x i16>, i1)
197declare <2 x i8> @llvm.ctlz.v2i8(<2 x i8>, i1)
198declare <4 x i8> @llvm.ctlz.v4i8(<4 x i8>, i1)
199declare <8 x i8> @llvm.ctlz.v8i8(<8 x i8>, i1)
200declare <16 x i8> @llvm.ctlz.v16i8(<16 x i8>, i1)
201
202declare <4 x i64> @llvm.ctlz.v4i64(<4 x i64>, i1)
203declare <8 x i32> @llvm.ctlz.v8i32(<8 x i32>, i1)
204declare <16 x i16> @llvm.ctlz.v16i16(<16 x i16>, i1)
205declare <32 x i8> @llvm.ctlz.v32i8(<32 x i8>, i1)
206
207