1; RUN: opt -S -instcombine < %s | FileCheck %s
2target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
3target triple = "x86_64-apple-macosx10.8.0"
4
5define i32 @test1(float %x, float %y) nounwind uwtable {
6  %1 = fpext float %x to double
7  %2 = call double @ceil(double %1) nounwind readnone
8  %3 = fpext float %y to double
9  %4 = fcmp oeq double %2, %3
10  %5 = zext i1 %4 to i32
11  ret i32 %5
12; CHECK-LABEL: @test1(
13; CHECK-NEXT: %ceilf = call float @ceilf(float %x)
14; CHECK-NEXT: fcmp oeq float %ceilf, %y
15}
16
17define i32 @test2(float %x, float %y) nounwind uwtable {
18  %1 = fpext float %x to double
19  %2 = call double @fabs(double %1) nounwind readnone
20  %3 = fpext float %y to double
21  %4 = fcmp oeq double %2, %3
22  %5 = zext i1 %4 to i32
23  ret i32 %5
24; CHECK-LABEL: @test2(
25; CHECK-NEXT: %fabsf = call float @fabsf(float %x)
26; CHECK-NEXT: fcmp oeq float %fabsf, %y
27}
28
29define i32 @test3(float %x, float %y) nounwind uwtable {
30  %1 = fpext float %x to double
31  %2 = call double @floor(double %1) nounwind readnone
32  %3 = fpext float %y to double
33  %4 = fcmp oeq double %2, %3
34  %5 = zext i1 %4 to i32
35  ret i32 %5
36; CHECK-LABEL: @test3(
37; CHECK-NEXT: %floorf = call float @floorf(float %x)
38; CHECK-NEXT: fcmp oeq float %floorf, %y
39}
40
41define i32 @test4(float %x, float %y) nounwind uwtable {
42  %1 = fpext float %x to double
43  %2 = call double @nearbyint(double %1) nounwind
44  %3 = fpext float %y to double
45  %4 = fcmp oeq double %2, %3
46  %5 = zext i1 %4 to i32
47  ret i32 %5
48; CHECK-LABEL: @test4(
49; CHECK-NEXT: %nearbyintf = call float @nearbyintf(float %x)
50; CHECK-NEXT: fcmp oeq float %nearbyintf, %y
51}
52
53define i32 @test5(float %x, float %y) nounwind uwtable {
54  %1 = fpext float %x to double
55  %2 = call double @rint(double %1) nounwind
56  %3 = fpext float %y to double
57  %4 = fcmp oeq double %2, %3
58  %5 = zext i1 %4 to i32
59  ret i32 %5
60; CHECK-LABEL: @test5(
61; CHECK-NEXT: %rintf = call float @rintf(float %x)
62; CHECK-NEXT: fcmp oeq float %rintf, %y
63}
64
65define i32 @test6(float %x, float %y) nounwind uwtable {
66  %1 = fpext float %x to double
67  %2 = call double @round(double %1) nounwind readnone
68  %3 = fpext float %y to double
69  %4 = fcmp oeq double %2, %3
70  %5 = zext i1 %4 to i32
71  ret i32 %5
72; CHECK-LABEL: @test6(
73; CHECK-NEXT: %roundf = call float @roundf(float %x)
74; CHECK-NEXT: fcmp oeq float %roundf, %y
75}
76
77define i32 @test7(float %x, float %y) nounwind uwtable {
78  %1 = fpext float %x to double
79  %2 = call double @trunc(double %1) nounwind
80  %3 = fpext float %y to double
81  %4 = fcmp oeq double %2, %3
82  %5 = zext i1 %4 to i32
83  ret i32 %5
84; CHECK-LABEL: @test7(
85; CHECK-NEXT: %truncf = call float @truncf(float %x)
86; CHECK-NEXT: fcmp oeq float %truncf, %y
87}
88
89define i32 @test8(float %x, float %y) nounwind uwtable {
90  %1 = fpext float %y to double
91  %2 = fpext float %x to double
92  %3 = call double @ceil(double %2) nounwind readnone
93  %4 = fcmp oeq double %1, %3
94  %5 = zext i1 %4 to i32
95  ret i32 %5
96; CHECK-LABEL: @test8(
97; CHECK-NEXT: %ceilf = call float @ceilf(float %x)
98; CHECK-NEXT: fcmp oeq float %ceilf, %y
99}
100
101define i32 @test9(float %x, float %y) nounwind uwtable {
102  %1 = fpext float %y to double
103  %2 = fpext float %x to double
104  %3 = call double @fabs(double %2) nounwind readnone
105  %4 = fcmp oeq double %1, %3
106  %5 = zext i1 %4 to i32
107  ret i32 %5
108; CHECK-LABEL: @test9(
109; CHECK-NEXT: %fabsf = call float @fabsf(float %x)
110; CHECK-NEXT: fcmp oeq float %fabsf, %y
111}
112
113define i32 @test10(float %x, float %y) nounwind uwtable {
114  %1 = fpext float %y to double
115  %2 = fpext float %x to double
116  %3 = call double @floor(double %2) nounwind readnone
117  %4 = fcmp oeq double %1, %3
118  %5 = zext i1 %4 to i32
119  ret i32 %5
120; CHECK-LABEL: @test10(
121; CHECK-NEXT: %floorf = call float @floorf(float %x)
122; CHECK-NEXT: fcmp oeq float %floorf, %y
123}
124
125define i32 @test11(float %x, float %y) nounwind uwtable {
126  %1 = fpext float %y to double
127  %2 = fpext float %x to double
128  %3 = call double @nearbyint(double %2) nounwind
129  %4 = fcmp oeq double %1, %3
130  %5 = zext i1 %4 to i32
131  ret i32 %5
132; CHECK-LABEL: @test11(
133; CHECK-NEXT: %nearbyintf = call float @nearbyintf(float %x)
134; CHECK-NEXT: fcmp oeq float %nearbyintf, %y
135}
136
137define i32 @test12(float %x, float %y) nounwind uwtable {
138  %1 = fpext float %y to double
139  %2 = fpext float %x to double
140  %3 = call double @rint(double %2) nounwind
141  %4 = fcmp oeq double %1, %3
142  %5 = zext i1 %4 to i32
143  ret i32 %5
144; CHECK-LABEL: @test12(
145; CHECK-NEXT: %rintf = call float @rintf(float %x)
146; CHECK-NEXT: fcmp oeq float %rintf, %y
147}
148
149define i32 @test13(float %x, float %y) nounwind uwtable {
150  %1 = fpext float %y to double
151  %2 = fpext float %x to double
152  %3 = call double @round(double %2) nounwind readnone
153  %4 = fcmp oeq double %1, %3
154  %5 = zext i1 %4 to i32
155  ret i32 %5
156; CHECK-LABEL: @test13(
157; CHECK-NEXT: %roundf = call float @roundf(float %x)
158; CHECK-NEXT: fcmp oeq float %roundf, %y
159}
160
161define i32 @test14(float %x, float %y) nounwind uwtable {
162  %1 = fpext float %y to double
163  %2 = fpext float %x to double
164  %3 = call double @trunc(double %2) nounwind
165  %4 = fcmp oeq double %1, %3
166  %5 = zext i1 %4 to i32
167  ret i32 %5
168; CHECK-LABEL: @test14(
169; CHECK-NEXT: %truncf = call float @truncf(float %x)
170; CHECK-NEXT: fcmp oeq float %truncf, %y
171}
172
173define i32 @test15(float %x, float %y, float %z) nounwind uwtable {
174  %1 = fpext float %x to double
175  %2 = fpext float %y to double
176  %3 = call double @fmin(double %1, double %2) nounwind
177  %4 = fpext float %z to double
178  %5 = fcmp oeq double %3, %4
179  %6 = zext i1 %5 to i32
180  ret i32 %6
181; CHECK-LABEL: @test15(
182; CHECK-NEXT: %fminf = call float @fminf(float %x, float %y)
183; CHECK-NEXT: fcmp oeq float %fminf, %z
184}
185
186define i32 @test16(float %x, float %y, float %z) nounwind uwtable {
187  %1 = fpext float %z to double
188  %2 = fpext float %x to double
189  %3 = fpext float %y to double
190  %4 = call double @fmin(double %2, double %3) nounwind
191  %5 = fcmp oeq double %1, %4
192  %6 = zext i1 %5 to i32
193  ret i32 %6
194; CHECK-LABEL: @test16(
195; CHECK-NEXT: %fminf = call float @fminf(float %x, float %y)
196; CHECK-NEXT: fcmp oeq float %fminf, %z
197}
198
199define i32 @test17(float %x, float %y, float %z) nounwind uwtable {
200  %1 = fpext float %x to double
201  %2 = fpext float %y to double
202  %3 = call double @fmax(double %1, double %2) nounwind
203  %4 = fpext float %z to double
204  %5 = fcmp oeq double %3, %4
205  %6 = zext i1 %5 to i32
206  ret i32 %6
207; CHECK-LABEL: @test17(
208; CHECK-NEXT: %fmaxf = call float @fmaxf(float %x, float %y)
209; CHECK-NEXT: fcmp oeq float %fmaxf, %z
210}
211
212define i32 @test18(float %x, float %y, float %z) nounwind uwtable {
213  %1 = fpext float %z to double
214  %2 = fpext float %x to double
215  %3 = fpext float %y to double
216  %4 = call double @fmax(double %2, double %3) nounwind
217  %5 = fcmp oeq double %1, %4
218  %6 = zext i1 %5 to i32
219  ret i32 %6
220; CHECK-LABEL: @test18(
221; CHECK-NEXT: %fmaxf = call float @fmaxf(float %x, float %y)
222; CHECK-NEXT: fcmp oeq float %fmaxf, %z
223}
224
225define i32 @test19(float %x, float %y, float %z) nounwind uwtable {
226  %1 = fpext float %x to double
227  %2 = fpext float %y to double
228  %3 = call double @copysign(double %1, double %2) nounwind
229  %4 = fpext float %z to double
230  %5 = fcmp oeq double %3, %4
231  %6 = zext i1 %5 to i32
232  ret i32 %6
233; CHECK-LABEL: @test19(
234; CHECK-NEXT: %copysignf = call float @copysignf(float %x, float %y)
235; CHECK-NEXT: fcmp oeq float %copysignf, %z
236}
237
238define i32 @test20(float %x, float %y) nounwind uwtable {
239  %1 = fpext float %y to double
240  %2 = fpext float %x to double
241  %3 = call double @fmin(double 1.000000e+00, double %2) nounwind
242  %4 = fcmp oeq double %1, %3
243  %5 = zext i1 %4 to i32
244  ret i32 %5
245; CHECK-LABEL: @test20(
246; CHECK-NEXT: %fminf = call float @fminf(float 1.000000e+00, float %x)
247; CHECK-NEXT: fcmp oeq float %fminf, %y
248}
249
250define i32 @test21(float %x, float %y) nounwind uwtable {
251  %1 = fpext float %y to double
252  %2 = fpext float %x to double
253  %3 = call double @fmin(double 1.300000e+00, double %2) nounwind
254  %4 = fcmp oeq double %1, %3
255  %5 = zext i1 %4 to i32
256  ret i32 %5
257; should not be changed to fminf as the constant would loose precision
258; CHECK-LABEL: @test21(
259; CHECK: %3 = call double @fmin(double 1.300000e+00, double %2)
260}
261
262declare double @fabs(double) nounwind readnone
263declare double @ceil(double) nounwind readnone
264declare double @copysign(double, double) nounwind readnone
265declare double @floor(double) nounwind readnone
266declare double @nearbyint(double) nounwind readnone
267declare double @rint(double) nounwind readnone
268declare double @round(double) nounwind readnone
269declare double @trunc(double) nounwind readnone
270declare double @fmin(double, double) nounwind readnone
271declare double @fmax(double, double) nounwind readnone
272