xref: /llvm-project/llvm/test/Transforms/Inline/simplify-instruction-computeKnownFPClass-context.ll (revision d873a14e934635c208d8bd8b74ef57492bfc7404)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
2; RUN: opt < %s -passes=inline -inline-threshold=20 -S | FileCheck %s
3; RUN: opt < %s -passes='cgscc(inline)' -inline-threshold=20 -S | FileCheck %s
4
5; Make sure there are no crashes when calling computeKnownFPClass with
6; un-inserted cloned instructions.
7
8; Hit computeKnownFPClass in a context where the denormal mode is
9; queried for the function for an operand not in a parent function.
10
11define i1 @simplify_fcmp_ord_fsub_caller(double nofpclass(zero nan) %i0, double nofpclass(zero nan) %i1) {
12; CHECK-LABEL: define i1 @simplify_fcmp_ord_fsub_caller
13; CHECK-SAME: (double nofpclass(nan zero) [[I0:%.*]], double nofpclass(nan zero) [[I1:%.*]]) {
14; CHECK-NEXT:    [[SUB_DOUBLE_SUB_I:%.*]] = fsub double [[I0]], [[I1]]
15; CHECK-NEXT:    [[CMP_I:%.*]] = fcmp ord double [[SUB_DOUBLE_SUB_I]], 0.000000e+00
16; CHECK-NEXT:    ret i1 [[CMP_I]]
17;
18  %call = call i1 @simplify_fcmp_ord_fsub_callee(double %i0, double %i1)
19  ret i1 %call
20}
21
22; Make sure we hit the denormal query in isKnownNeverLogicalZero
23define internal i1 @simplify_fcmp_ord_fsub_callee(double %a, double %b) {
24  %sub.double.sub = fsub double %a, %b
25  %cmp = fcmp ord double %sub.double.sub, 0.0
26  ret i1 %cmp
27}
28
29define i1 @simplify_fcmp_ord_fdiv_caller(double nofpclass(zero nan inf) %i0, double nofpclass(zero nan inf) %i1) {
30; CHECK-LABEL: define i1 @simplify_fcmp_ord_fdiv_caller
31; CHECK-SAME: (double nofpclass(nan inf zero) [[I0:%.*]], double nofpclass(nan inf zero) [[I1:%.*]]) {
32; CHECK-NEXT:    [[SUB_DOUBLE_SUB_I:%.*]] = fdiv double [[I0]], [[I1]]
33; CHECK-NEXT:    ret i1 true
34;
35  %call = call i1 @simplify_fcmp_ord_fdiv_callee(double %i0, double %i1)
36  ret i1 %call
37}
38
39; Make sure we hit the denormal query in isKnownNeverLogicalZero
40define internal i1 @simplify_fcmp_ord_fdiv_callee(double %a, double %b) {
41  %sub.double.sub = fdiv double %a, %b
42  %cmp = fcmp ord double %sub.double.sub, 0.0
43  ret i1 %cmp
44}
45
46define i1 @simplify_fcmp_ord_frem_caller(double nofpclass(zero nan inf) %i0, double nofpclass(zero nan inf) %i1) {
47; CHECK-LABEL: define i1 @simplify_fcmp_ord_frem_caller
48; CHECK-SAME: (double nofpclass(nan inf zero) [[I0:%.*]], double nofpclass(nan inf zero) [[I1:%.*]]) {
49; CHECK-NEXT:    [[SUB_DOUBLE_SUB_I:%.*]] = frem double [[I0]], [[I1]]
50; CHECK-NEXT:    ret i1 true
51;
52  %call = call i1 @simplify_fcmp_ord_frem_callee(double %i0, double %i1)
53  ret i1 %call
54}
55
56; Make sure we hit the denormal query in isKnownNeverLogicalZero
57define internal i1 @simplify_fcmp_ord_frem_callee(double %a, double %b) {
58  %sub.double.sub = frem double %a, %b
59  %cmp = fcmp ord double %sub.double.sub, 0.0
60  ret i1 %cmp
61}
62
63define i1 @simplify_fcmp_ord_fmul_caller(double nofpclass(zero nan inf) %i0, double nofpclass(zero nan inf) %i1) {
64; CHECK-LABEL: define i1 @simplify_fcmp_ord_fmul_caller
65; CHECK-SAME: (double nofpclass(nan inf zero) [[I0:%.*]], double nofpclass(nan inf zero) [[I1:%.*]]) {
66; CHECK-NEXT:    [[SUB_DOUBLE_SUB_I:%.*]] = fmul double [[I0]], [[I1]]
67; CHECK-NEXT:    ret i1 true
68;
69  %call = call i1 @simplify_fcmp_ord_fmul_callee(double %i0, double %i1)
70  ret i1 %call
71}
72
73; Make sure we hit the denormal query in isKnownNeverLogicalZero
74define internal i1 @simplify_fcmp_ord_fmul_callee(double %a, double %b) {
75  %sub.double.sub = fmul double %a, %b
76  %cmp = fcmp ord double %sub.double.sub, 0.0
77  ret i1 %cmp
78}
79
80define i1 @simplify_fcmp_ord_sqrt_caller(double nofpclass(zero nan) %i0) {
81; CHECK-LABEL: define i1 @simplify_fcmp_ord_sqrt_caller
82; CHECK-SAME: (double nofpclass(nan zero) [[I0:%.*]]) {
83; CHECK-NEXT:    [[SUB_DOUBLE_SUB_I:%.*]] = call double @llvm.sqrt.f64(double [[I0]])
84; CHECK-NEXT:    [[CMP_I:%.*]] = fcmp ord double [[SUB_DOUBLE_SUB_I]], 0.000000e+00
85; CHECK-NEXT:    ret i1 [[CMP_I]]
86;
87  %call = call i1 @simplify_fcmp_ord_sqrt_callee(double %i0)
88  ret i1 %call
89}
90
91; Make sure we hit the denormal query in isKnownNeverLogicalZero
92define internal i1 @simplify_fcmp_ord_sqrt_callee(double %a) {
93  %sub.double.sub = call double @llvm.sqrt.f64(double %a)
94  %cmp = fcmp ord double %sub.double.sub, 0.0
95  ret i1 %cmp
96}
97
98declare double @llvm.sqrt.f64(double)
99
100define i1 @simplify_fcmp_ord_canonicalize_caller(double nofpclass(zero nan) %i0) {
101; CHECK-LABEL: define i1 @simplify_fcmp_ord_canonicalize_caller
102; CHECK-SAME: (double nofpclass(nan zero) [[I0:%.*]]) {
103; CHECK-NEXT:    [[SUB_DOUBLE_SUB_I:%.*]] = call double @llvm.canonicalize.f64(double [[I0]])
104; CHECK-NEXT:    ret i1 true
105;
106  %call = call i1 @simplify_fcmp_ord_canonicalize_callee(double %i0)
107  ret i1 %call
108}
109
110; Make sure we hit the denormal query in isKnownNeverLogicalZero
111define internal i1 @simplify_fcmp_ord_canonicalize_callee(double %a) {
112  %sub.double.sub = call double @llvm.canonicalize.f64(double %a)
113  %cmp = fcmp ord double %sub.double.sub, 0.0
114  ret i1 %cmp
115}
116
117declare double @llvm.canonicalize.f64(double)
118
119define i1 @simplify_fcmp_ord_log_caller(double nofpclass(zero nan) %i0) {
120; CHECK-LABEL: define i1 @simplify_fcmp_ord_log_caller
121; CHECK-SAME: (double nofpclass(nan zero) [[I0:%.*]]) {
122; CHECK-NEXT:    [[SUB_DOUBLE_SUB_I:%.*]] = call double @llvm.log.f64(double [[I0]])
123; CHECK-NEXT:    [[CMP_I:%.*]] = fcmp ord double [[SUB_DOUBLE_SUB_I]], 0.000000e+00
124; CHECK-NEXT:    ret i1 [[CMP_I]]
125;
126  %call = call i1 @simplify_fcmp_ord_log_callee(double %i0)
127  ret i1 %call
128}
129
130; Make sure we hit the denormal query in isKnownNeverLogicalZero
131define internal i1 @simplify_fcmp_ord_log_callee(double %a) {
132  %sub.double.sub = call double @llvm.log.f64(double %a)
133  %cmp = fcmp ord double %sub.double.sub, 0.0
134  ret i1 %cmp
135}
136
137declare double @llvm.log.f64(double)
138
139declare float @llvm.maxnum.f32(float, float) #0
140declare <4 x float> @foo() #1
141
142define void @caller_maxnum() {
143; CHECK-LABEL: define void @caller_maxnum() {
144; CHECK-NEXT:  bb:
145; CHECK-NEXT:    [[I1_I:%.*]] = call <4 x float> @foo()
146; CHECK-NEXT:    [[I2_I:%.*]] = extractelement <4 x float> [[I1_I]], i64 0
147; CHECK-NEXT:    [[I3_I:%.*]] = fmul float [[I2_I]], 0.000000e+00
148; CHECK-NEXT:    [[I4_I:%.*]] = call float @llvm.maxnum.f32(float [[I3_I]], float 0.000000e+00)
149; CHECK-NEXT:    [[I5_I:%.*]] = call float @llvm.maxnum.f32(float [[I4_I]], float [[I2_I]])
150; CHECK-NEXT:    ret void
151;
152bb:
153  call void @callee_maxnum()
154  ret void
155}
156
157define internal void @callee_maxnum() {
158bb:
159  %i1 = call <4 x float> @foo()
160  %i2 = extractelement <4 x float> %i1, i64 0
161  %i3 = fmul float %i2, 0.000000e+00
162  %i4 = call float @llvm.maxnum.f32(float %i3, float 0.000000e+00)
163  %i5 = call float @llvm.maxnum.f32(float %i4, float %i2)
164  %i6 = fcmp olt float %i5, 0.000000e+00
165  ret void
166}
167
168define i1 @simplify_fcmp_ord_ldexp_caller(double nofpclass(zero inf) %i0) {
169; CHECK-LABEL: define i1 @simplify_fcmp_ord_ldexp_caller
170; CHECK-SAME: (double nofpclass(inf zero) [[I0:%.*]]) {
171; CHECK-NEXT:    [[LDEXP_I:%.*]] = call double @llvm.ldexp.f64.i32(double [[I0]], i32 42)
172; CHECK-NEXT:    [[CMP_I:%.*]] = fcmp one double [[LDEXP_I]], 0x7FF0000000000000
173; CHECK-NEXT:    ret i1 [[CMP_I]]
174;
175  %call = call i1 @simplify_fcmp_ord_ldexp_callee(double %i0)
176  ret i1 %call
177}
178
179define internal i1 @simplify_fcmp_ord_ldexp_callee(double %a) {
180  %ldexp = call double @llvm.ldexp.f64.i32(double %a, i32 42)
181  %cmp = fcmp one double %ldexp, 0x7FF0000000000000
182  ret i1 %cmp
183}
184
185declare double @llvm.ldexp.f64.i32(double, i32)
186
187define i1 @simplify_fcmp_ord_frexp_caller(double nofpclass(zero inf) %i0) {
188; CHECK-LABEL: define i1 @simplify_fcmp_ord_frexp_caller
189; CHECK-SAME: (double nofpclass(inf zero) [[I0:%.*]]) {
190; CHECK-NEXT:    [[FREXP_I:%.*]] = call { double, i32 } @llvm.frexp.f64.i32(double [[I0]])
191; CHECK-NEXT:    [[FREXP_0_I:%.*]] = extractvalue { double, i32 } [[FREXP_I]], 0
192; CHECK-NEXT:    [[CMP_I:%.*]] = fcmp one double [[FREXP_0_I]], 0x7FF0000000000000
193; CHECK-NEXT:    ret i1 [[CMP_I]]
194;
195  %call = call i1 @simplify_fcmp_ord_frexp_callee(double %i0)
196  ret i1 %call
197}
198
199define internal i1 @simplify_fcmp_ord_frexp_callee(double %a) {
200  %frexp = call { double, i32 } @llvm.frexp.f64.i32(double %a)
201  %frexp.0 = extractvalue { double, i32 } %frexp, 0
202  %cmp = fcmp one double %frexp.0, 0x7FF0000000000000
203  ret i1 %cmp
204}
205
206declare { double, i32 } @llvm.frexp.f64.i32(double)
207
208attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
209attributes #1 = { nocallback nofree nosync nounwind willreturn memory(none) }
210