| blob | 240a2dda073d3b3ed30c9ca5194385e436b5551e |
1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
2 ; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
3 ; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
5 ; The original C source looked like this:
6 ;
7 ; long long a101, b101, e101;
8 ; volatile long c101;
9 ; int d101;
10 ;
11 ; static inline int bar(p1, p2)
12 ; {
13 ; return 0;
14 ; }
15 ;
16 ; void foo(unsigned p1)
17 ; {
18 ; long long *f = &b101, *g = &e101;
19 ; c101 = 0;
20 ; (void)((*f |= a101) - (*g = bar(d101)));
21 ; c101 = (*f |= a101 &= p1) == d101;
22 ; }
23 ;
24 ; When compiled with Clang it gives a warning
25 ; warning: too few arguments in call to 'bar'
26 ;
27 ; This ll reproducer has been reduced to only include tha call.
28 ;
29 ; Note that -lint will report this as UB, but it passes -verify.
31 ; This test is just to verify that we do not crash/assert due to mismatch in
32 ; argument count between the caller and callee.
34 ; FIXME we should recognize this as UB and make it an unreachable.
36 define dso_local i16 @foo(i16 %a) {
37 ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
38 ; TUNIT-LABEL: define {{[^@]+}}@foo
39 ; TUNIT-SAME: (i16 [[A:%.*]]) #[[ATTR0:[0-9]+]] {
40 ; TUNIT-NEXT: ret i16 0
41 ;
42 ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
43 ; CGSCC-LABEL: define {{[^@]+}}@foo
44 ; CGSCC-SAME: (i16 [[A:%.*]]) #[[ATTR0:[0-9]+]] {
45 ; CGSCC-NEXT: [[CALL:%.*]] = call noundef i16 @bar(i16 [[A]]) #[[ATTR2:[0-9]+]]
46 ; CGSCC-NEXT: ret i16 [[CALL]]
47 ;
48 %call = call i16 @bar(i16 %a)
49 ret i16 %call
50 }
52 define internal i16 @bar(i16 %p1, i16 %p2) {
53 ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
54 ; CGSCC-LABEL: define {{[^@]+}}@bar
55 ; CGSCC-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]]) #[[ATTR1:[0-9]+]] {
56 ; CGSCC-NEXT: ret i16 0
57 ;
58 ret i16 0
59 }
61 define dso_local i16 @foo2(i16 %a) {
62 ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
63 ; TUNIT-LABEL: define {{[^@]+}}@foo2
64 ; TUNIT-SAME: (i16 [[A:%.*]]) #[[ATTR0]] {
65 ; TUNIT-NEXT: [[CALL:%.*]] = call i16 @bar2(i16 [[A]]) #[[ATTR1:[0-9]+]]
66 ; TUNIT-NEXT: ret i16 [[CALL]]
67 ;
68 ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
69 ; CGSCC-LABEL: define {{[^@]+}}@foo2
70 ; CGSCC-SAME: (i16 [[A:%.*]]) #[[ATTR0]] {
71 ; CGSCC-NEXT: [[CALL:%.*]] = call i16 @bar2(i16 [[A]]) #[[ATTR2]]
72 ; CGSCC-NEXT: ret i16 [[CALL]]
73 ;
74 %call = call i16 @bar2(i16 %a)
75 ret i16 %call
76 }
78 define internal i16 @bar2(i16 %p1, i16 %p2) {
79 ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
80 ; TUNIT-LABEL: define {{[^@]+}}@bar2
81 ; TUNIT-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]]) #[[ATTR0]] {
82 ; TUNIT-NEXT: [[A:%.*]] = add i16 [[P1]], [[P2]]
83 ; TUNIT-NEXT: ret i16 [[A]]
84 ;
85 ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
86 ; CGSCC-LABEL: define {{[^@]+}}@bar2
87 ; CGSCC-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]]) #[[ATTR1]] {
88 ; CGSCC-NEXT: [[A:%.*]] = add i16 [[P1]], [[P2]]
89 ; CGSCC-NEXT: ret i16 [[A]]
90 ;
91 %a = add i16 %p1, %p2
92 ret i16 %a
93 }
96 ;-------------------------------------------------------------------------------
97 ; Additional tests to verify that we still optimize when having a mismatch
98 ; in argument count due to varargs (as long as all non-variadic arguments have
99 ; been provided),
101 define dso_local i16 @vararg_tests(i16 %a) {
102 ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
103 ; TUNIT-LABEL: define {{[^@]+}}@vararg_tests
104 ; TUNIT-SAME: (i16 [[A:%.*]]) #[[ATTR0]] {
105 ; TUNIT-NEXT: ret i16 14
106 ;
107 ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
108 ; CGSCC-LABEL: define {{[^@]+}}@vararg_tests
109 ; CGSCC-SAME: (i16 [[A:%.*]]) #[[ATTR0]] {
110 ; CGSCC-NEXT: [[CALL1:%.*]] = call i16 (i16, ...) @vararg_prop(i16 noundef 7, i16 noundef 8, i16 [[A]]) #[[ATTR2]]
111 ; CGSCC-NEXT: [[CALL2:%.*]] = call i16 @vararg_no_prop(i16 noundef 7) #[[ATTR2]]
112 ; CGSCC-NEXT: [[ADD:%.*]] = add i16 [[CALL1]], [[CALL2]]
113 ; CGSCC-NEXT: ret i16 [[ADD]]
114 ;
115 %call1 = call i16 (i16, ...) @vararg_prop(i16 7, i16 8, i16 %a)
116 %call2 = call i16 @vararg_no_prop (i16 7)
117 %add = add i16 %call1, %call2
118 ret i16 %add
119 }
121 define internal i16 @vararg_prop(i16 %p1, ...) {
122 ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
123 ; CGSCC-LABEL: define {{[^@]+}}@vararg_prop
124 ; CGSCC-SAME: (i16 [[P1:%.*]], ...) #[[ATTR1]] {
125 ; CGSCC-NEXT: ret i16 7
126 ;
127 ret i16 %p1
128 }
130 define internal i16 @vararg_no_prop(i16 %p1, i16 %p2, ...) {
131 ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
132 ; CGSCC-LABEL: define {{[^@]+}}@vararg_no_prop
133 ; CGSCC-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]], ...) #[[ATTR1]] {
134 ; CGSCC-NEXT: ret i16 7
135 ;
136 ret i16 %p1
137 }
139 ;.
140 ; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
141 ; TUNIT: attributes #[[ATTR1]] = { nofree nosync nounwind willreturn memory(none) }
142 ;.
143 ; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree nosync nounwind willreturn memory(none) }
144 ; CGSCC: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
145 ; CGSCC: attributes #[[ATTR2]] = { nofree nosync willreturn }
146 ;.
147 ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
148 ; CHECK: {{.*}}