xref: /llvm-project/llvm/test/Transforms/InstCombine/fp-floor-ceil.ll (revision 86f0399c1fdec80c34e22821607696a485857421) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=instcombine -S | FileCheck %s
3
4define i1 @floor_x_ole(float %x) {
5; CHECK-LABEL: @floor_x_ole(
6; CHECK-NEXT:    [[RET:%.*]] = fcmp ninf ord float [[X:%.*]], 0.000000e+00
7; CHECK-NEXT:    ret i1 [[RET]]
8;
9  %floor = call float @llvm.floor.f32(float %x)
10  %ret = fcmp ninf ole float %floor, %x
11  ret i1 %ret
12}
13
14define i1 @floor_x_ule(float %x) {
15; CHECK-LABEL: @floor_x_ule(
16; CHECK-NEXT:    ret i1 true
17;
18  %floor = call float @llvm.floor.f32(float %x)
19  %ret = fcmp ule float %floor, %x
20  ret i1 %ret
21}
22
23define i1 @floor_x_ogt(float %x) {
24; CHECK-LABEL: @floor_x_ogt(
25; CHECK-NEXT:    ret i1 false
26;
27  %floor = call float @llvm.floor.f32(float %x)
28  %ret = fcmp ogt float %floor, %x
29  ret i1 %ret
30}
31
32define i1 @floor_x_ugt(float %x) {
33; CHECK-LABEL: @floor_x_ugt(
34; CHECK-NEXT:    [[RET:%.*]] = fcmp ninf uno float [[X:%.*]], 0.000000e+00
35; CHECK-NEXT:    ret i1 [[RET]]
36;
37  %floor = call float @llvm.floor.f32(float %x)
38  %ret = fcmp ninf ugt float %floor, %x
39  ret i1 %ret
40}
41
42define i1 @x_floor_oge(float %x) {
43; CHECK-LABEL: @x_floor_oge(
44; CHECK-NEXT:    [[RET:%.*]] = fcmp ninf ord float [[X:%.*]], 0.000000e+00
45; CHECK-NEXT:    ret i1 [[RET]]
46;
47  %floor = call float @llvm.floor.f32(float %x)
48  %ret = fcmp ninf oge float %x, %floor
49  ret i1 %ret
50}
51
52define i1 @x_floor_uge(float %x) {
53; CHECK-LABEL: @x_floor_uge(
54; CHECK-NEXT:    ret i1 true
55;
56  %floor = call float @llvm.floor.f32(float %x)
57  %ret = fcmp uge float %x, %floor
58  ret i1 %ret
59}
60
61define i1 @x_floor_olt(float %x) {
62; CHECK-LABEL: @x_floor_olt(
63; CHECK-NEXT:    ret i1 false
64;
65  %floor = call float @llvm.floor.f32(float %x)
66  %ret = fcmp olt float %x, %floor
67  ret i1 %ret
68}
69
70define i1 @x_floor_ult(float %x) {
71; CHECK-LABEL: @x_floor_ult(
72; CHECK-NEXT:    [[RET:%.*]] = fcmp ninf uno float [[X:%.*]], 0.000000e+00
73; CHECK-NEXT:    ret i1 [[RET]]
74;
75  %floor = call float @llvm.floor.f32(float %x)
76  %ret = fcmp ninf ult float %x, %floor
77  ret i1 %ret
78}
79
80define <2 x i1> @x_floor_olt_vec(<2 x float> %x) {
81; CHECK-LABEL: @x_floor_olt_vec(
82; CHECK-NEXT:    ret <2 x i1> zeroinitializer
83;
84  %floor = call <2 x float> @llvm.floor.f32(<2 x float> %x)
85  %ret = fcmp olt <2 x float> %x, %floor
86  ret <2 x i1> %ret
87}
88
89define i1 @x_floor_ole_neg(float %x) {
90; CHECK-LABEL: @x_floor_ole_neg(
91; CHECK-NEXT:    [[FLOOR:%.*]] = call float @llvm.floor.f32(float [[X:%.*]])
92; CHECK-NEXT:    [[RET:%.*]] = fcmp ole float [[X]], [[FLOOR]]
93; CHECK-NEXT:    ret i1 [[RET]]
94;
95  %floor = call float @llvm.floor.f32(float %x)
96  %ret = fcmp ole float %x, %floor
97  ret i1 %ret
98}
99
100define i1 @x_floor_ogt_neg(float %x) {
101; CHECK-LABEL: @x_floor_ogt_neg(
102; CHECK-NEXT:    [[FLOOR:%.*]] = call float @llvm.floor.f32(float [[X:%.*]])
103; CHECK-NEXT:    [[RET:%.*]] = fcmp ogt float [[X]], [[FLOOR]]
104; CHECK-NEXT:    ret i1 [[RET]]
105;
106  %floor = call float @llvm.floor.f32(float %x)
107  %ret = fcmp ogt float %x, %floor
108  ret i1 %ret
109}
110
111define i1 @x_floor_ueq_neg(float %x) {
112; CHECK-LABEL: @x_floor_ueq_neg(
113; CHECK-NEXT:    [[FLOOR:%.*]] = call float @llvm.floor.f32(float [[X:%.*]])
114; CHECK-NEXT:    [[RET:%.*]] = fcmp ueq float [[X]], [[FLOOR]]
115; CHECK-NEXT:    ret i1 [[RET]]
116;
117  %floor = call float @llvm.floor.f32(float %x)
118  %ret = fcmp ueq float %x, %floor
119  ret i1 %ret
120}
121
122define i1 @x_floor_une_neg(float %x) {
123; CHECK-LABEL: @x_floor_une_neg(
124; CHECK-NEXT:    [[FLOOR:%.*]] = call float @llvm.floor.f32(float [[X:%.*]])
125; CHECK-NEXT:    [[RET:%.*]] = fcmp une float [[X]], [[FLOOR]]
126; CHECK-NEXT:    ret i1 [[RET]]
127;
128  %floor = call float @llvm.floor.f32(float %x)
129  %ret = fcmp une float %x, %floor
130  ret i1 %ret
131}
132
133define i1 @ceil_x_oge(float %x) {
134; CHECK-LABEL: @ceil_x_oge(
135; CHECK-NEXT:    [[RET:%.*]] = fcmp ninf ord float [[X:%.*]], 0.000000e+00
136; CHECK-NEXT:    ret i1 [[RET]]
137;
138  %ceil = call float @llvm.ceil.f32(float %x)
139  %ret = fcmp ninf oge float %ceil, %x
140  ret i1 %ret
141}
142
143define i1 @ceil_x_uge(float %x) {
144; CHECK-LABEL: @ceil_x_uge(
145; CHECK-NEXT:    ret i1 true
146;
147  %ceil = call float @llvm.ceil.f32(float %x)
148  %ret = fcmp uge float %ceil, %x
149  ret i1 %ret
150}
151
152define i1 @ceil_x_olt(float %x) {
153; CHECK-LABEL: @ceil_x_olt(
154; CHECK-NEXT:    ret i1 false
155;
156  %ceil = call float @llvm.ceil.f32(float %x)
157  %ret = fcmp olt float %ceil, %x
158  ret i1 %ret
159}
160
161define i1 @ceil_x_ult(float %x) {
162; CHECK-LABEL: @ceil_x_ult(
163; CHECK-NEXT:    [[RET:%.*]] = fcmp ninf uno float [[X:%.*]], 0.000000e+00
164; CHECK-NEXT:    ret i1 [[RET]]
165;
166  %ceil = call float @llvm.ceil.f32(float %x)
167  %ret = fcmp ninf ult float %ceil, %x
168  ret i1 %ret
169}
170
171define i1 @x_ceil_ole(float %x) {
172; CHECK-LABEL: @x_ceil_ole(
173; CHECK-NEXT:    [[RET:%.*]] = fcmp ninf ord float [[X:%.*]], 0.000000e+00
174; CHECK-NEXT:    ret i1 [[RET]]
175;
176  %ceil = call float @llvm.ceil.f32(float %x)
177  %ret = fcmp ninf ole float %x, %ceil
178  ret i1 %ret
179}
180
181define i1 @x_ceil_ule(float %x) {
182; CHECK-LABEL: @x_ceil_ule(
183; CHECK-NEXT:    ret i1 true
184;
185  %ceil = call float @llvm.ceil.f32(float %x)
186  %ret = fcmp ule float %x, %ceil
187  ret i1 %ret
188}
189
190define i1 @x_ceil_ogt(float %x) {
191; CHECK-LABEL: @x_ceil_ogt(
192; CHECK-NEXT:    ret i1 false
193;
194  %ceil = call float @llvm.ceil.f32(float %x)
195  %ret = fcmp ogt float %x, %ceil
196  ret i1 %ret
197}
198
199define i1 @x_ceil_ugt(float %x) {
200; CHECK-LABEL: @x_ceil_ugt(
201; CHECK-NEXT:    [[RET:%.*]] = fcmp ninf uno float [[X:%.*]], 0.000000e+00
202; CHECK-NEXT:    ret i1 [[RET]]
203;
204  %ceil = call float @llvm.ceil.f32(float %x)
205  %ret = fcmp ninf ugt float %x, %ceil
206  ret i1 %ret
207}
208
209define <2 x i1> @x_ceil_ogt_vec(<2 x float> %x) {
210; CHECK-LABEL: @x_ceil_ogt_vec(
211; CHECK-NEXT:    ret <2 x i1> zeroinitializer
212;
213  %ceil = call <2 x float> @llvm.ceil.f32(<2 x float> %x)
214  %ret = fcmp ogt <2 x float> %x, %ceil
215  ret <2 x i1> %ret
216}
217
218define i1 @x_ceil_oge_neg(float %x) {
219; CHECK-LABEL: @x_ceil_oge_neg(
220; CHECK-NEXT:    [[CEIL:%.*]] = call float @llvm.ceil.f32(float [[X:%.*]])
221; CHECK-NEXT:    [[RET:%.*]] = fcmp oge float [[X]], [[CEIL]]
222; CHECK-NEXT:    ret i1 [[RET]]
223;
224  %ceil = call float @llvm.ceil.f32(float %x)
225  %ret = fcmp oge float %x, %ceil
226  ret i1 %ret
227}
228
229define i1 @x_ceil_olt_neg(float %x) {
230; CHECK-LABEL: @x_ceil_olt_neg(
231; CHECK-NEXT:    [[CEIL:%.*]] = call float @llvm.ceil.f32(float [[X:%.*]])
232; CHECK-NEXT:    [[RET:%.*]] = fcmp olt float [[X]], [[CEIL]]
233; CHECK-NEXT:    ret i1 [[RET]]
234;
235  %ceil = call float @llvm.ceil.f32(float %x)
236  %ret = fcmp olt float %x, %ceil
237  ret i1 %ret
238}
239
240define i1 @x_ceil_oeq_neg(float %x) {
241; CHECK-LABEL: @x_ceil_oeq_neg(
242; CHECK-NEXT:    [[CEIL:%.*]] = call float @llvm.ceil.f32(float [[X:%.*]])
243; CHECK-NEXT:    [[RET:%.*]] = fcmp oeq float [[X]], [[CEIL]]
244; CHECK-NEXT:    ret i1 [[RET]]
245;
246  %ceil = call float @llvm.ceil.f32(float %x)
247  %ret = fcmp oeq float %x, %ceil
248  ret i1 %ret
249}
250
251define i1 @x_ceil_one_neg(float %x) {
252; CHECK-LABEL: @x_ceil_one_neg(
253; CHECK-NEXT:    [[CEIL:%.*]] = call float @llvm.ceil.f32(float [[X:%.*]])
254; CHECK-NEXT:    [[RET:%.*]] = fcmp one float [[X]], [[CEIL]]
255; CHECK-NEXT:    ret i1 [[RET]]
256;
257  %ceil = call float @llvm.ceil.f32(float %x)
258  %ret = fcmp one float %x, %ceil
259  ret i1 %ret
260}
261