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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; PR55965 6; IPSCCP should propagate the 0 argument, eliminate the switch, and propagate7; the result.8 9; FIXME: Remove obsolete calls/instructions10 11define i32 @main() noreturn nounwind {12; TUNIT: Function Attrs: mustprogress nofree norecurse noreturn nosync nounwind willreturn memory(none)13; TUNIT-LABEL: define {{[^@]+}}@main14; TUNIT-SAME: () #[[ATTR0:[0-9]+]] {15; TUNIT-NEXT: entry:16; TUNIT-NEXT: ret i32 12317;18; CGSCC: Function Attrs: mustprogress nofree noreturn nosync nounwind willreturn memory(none)19; CGSCC-LABEL: define {{[^@]+}}@main20; CGSCC-SAME: () #[[ATTR0:[0-9]+]] {21; CGSCC-NEXT: entry:22; CGSCC-NEXT: [[CALL2:%.*]] = tail call noundef i32 @wwrite() #[[ATTR2:[0-9]+]]23; CGSCC-NEXT: ret i32 [[CALL2]]24;25entry:26 %call2 = tail call i32 @wwrite(i64 0) nounwind27 ret i32 %call228}29 30define internal i32 @wwrite(i64 %i) nounwind readnone {31; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)32; CGSCC-LABEL: define {{[^@]+}}@wwrite33; CGSCC-SAME: () #[[ATTR1:[0-9]+]] {34; CGSCC-NEXT: entry:35; CGSCC-NEXT: switch i64 0, label [[SW_DEFAULT:%.*]] [36; CGSCC-NEXT: i64 3, label [[RETURN:%.*]]37; CGSCC-NEXT: i64 10, label [[RETURN]]38; CGSCC-NEXT: ]39; CGSCC: sw.default:40; CGSCC-NEXT: ret i32 12341; CGSCC: return:42; CGSCC-NEXT: unreachable43;44entry:45 switch i64 %i, label %sw.default [46 i64 3, label %return47 i64 10, label %return48 ]49 50sw.default:51 ret i32 12352 53return:54 ret i32 055}56;.57; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse noreturn nosync nounwind willreturn memory(none) }58;.59; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree noreturn nosync nounwind willreturn memory(none) }60; CGSCC: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }61; CGSCC: attributes #[[ATTR2]] = { nofree nosync nounwind willreturn }62;.63;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:64; CHECK: {{.*}}65