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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals2; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT3; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC4 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 warning25; 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.30 31; This test is just to verify that we do not crash/assert due to mismatch in32; argument count between the caller and callee.33 34; FIXME we should recognize this as UB and make it an unreachable.35 36define dso_local i16 @foo(i16 %a) {37; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)38; TUNIT-LABEL: define {{[^@]+}}@foo39; TUNIT-SAME: (i16 [[A:%.*]]) #[[ATTR0:[0-9]+]] {40; TUNIT-NEXT: ret i16 041;42; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)43; CGSCC-LABEL: define {{[^@]+}}@foo44; 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 %call50}51 52define internal i16 @bar(i16 %p1, i16 %p2) {53; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)54; CGSCC-LABEL: define {{[^@]+}}@bar55; CGSCC-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]]) #[[ATTR1:[0-9]+]] {56; CGSCC-NEXT: ret i16 057;58 ret i16 059}60 61define dso_local i16 @foo2(i16 %a) {62; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)63; TUNIT-LABEL: define {{[^@]+}}@foo264; 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 {{[^@]+}}@foo270; 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 %call76}77 78define internal i16 @bar2(i16 %p1, i16 %p2) {79; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)80; TUNIT-LABEL: define {{[^@]+}}@bar281; 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 {{[^@]+}}@bar287; 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, %p292 ret i16 %a93}94 95 96;-------------------------------------------------------------------------------97; Additional tests to verify that we still optimize when having a mismatch98; in argument count due to varargs (as long as all non-variadic arguments have99; been provided),100 101define dso_local i16 @vararg_tests(i16 %a) {102; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)103; TUNIT-LABEL: define {{[^@]+}}@vararg_tests104; TUNIT-SAME: (i16 [[A:%.*]]) #[[ATTR0]] {105; TUNIT-NEXT: ret i16 14106;107; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)108; CGSCC-LABEL: define {{[^@]+}}@vararg_tests109; 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, %call2118 ret i16 %add119}120 121define internal i16 @vararg_prop(i16 %p1, ...) {122; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)123; CGSCC-LABEL: define {{[^@]+}}@vararg_prop124; CGSCC-SAME: (i16 [[P1:%.*]], ...) #[[ATTR1]] {125; CGSCC-NEXT: ret i16 7126;127 ret i16 %p1128}129 130define 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_prop133; CGSCC-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]], ...) #[[ATTR1]] {134; CGSCC-NEXT: ret i16 7135;136 ret i16 %p1137}138 139;.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: {{.*}}149