369930bc20
If an attribute is implied by the IR we do not (always) create an AA anymore. To keep test coverage, and given the lack of a good heuristic to decide otherwise, we will now also manifest such attributes.
64 lines
3.4 KiB
LLVM
64 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
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%struct.test.b = type { i32, i32 }
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%struct.test.a = type { %struct.test.b, i32, ptr}
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define void @foo(ptr %ptr) {
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; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@foo
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; TUNIT-SAME: (ptr nocapture nofree readnone [[PTR:%.*]]) #[[ATTR0:[0-9]+]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: [[TMP0:%.*]] = alloca [[STRUCT_TEST_A:%.*]], align 8
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; TUNIT-NEXT: br label [[CALL_BR:%.*]]
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; TUNIT: call.br:
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; TUNIT-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_TEST_A]], ptr [[TMP0]], i64 0, i32 2
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; TUNIT-NEXT: tail call void @bar(ptr noalias nocapture nofree noundef nonnull readonly byval([[STRUCT_TEST_A]]) align 8 dereferenceable(24) [[TMP0]]) #[[ATTR2:[0-9]+]]
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; TUNIT-NEXT: ret void
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;
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; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@foo
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; CGSCC-SAME: (ptr nocapture nofree writeonly [[PTR:%.*]]) #[[ATTR0:[0-9]+]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[TMP0:%.*]] = alloca [[STRUCT_TEST_A:%.*]], align 8
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; CGSCC-NEXT: br label [[CALL_BR:%.*]]
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; CGSCC: call.br:
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; CGSCC-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_TEST_A]], ptr [[TMP0]], i64 0, i32 2
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; CGSCC-NEXT: store ptr [[PTR]], ptr [[TMP1]], align 8
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; CGSCC-NEXT: tail call void @bar(ptr noalias nocapture nofree noundef nonnull readnone byval([[STRUCT_TEST_A]]) align 8 dereferenceable(24) [[TMP0]]) #[[ATTR2:[0-9]+]]
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; CGSCC-NEXT: ret void
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;
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entry:
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%0 = alloca %struct.test.a, align 8
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br label %call.br
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call.br:
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%1 = getelementptr inbounds %struct.test.a, ptr %0, i64 0, i32 2
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store ptr %ptr, ptr %1
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tail call void @bar(ptr noundef byval(%struct.test.a) align 8 %0)
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ret void
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}
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define void @bar(ptr noundef byval(%struct.test.a) align 8 %dev) {
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; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write)
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; CHECK-LABEL: define {{[^@]+}}@bar
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; CHECK-SAME: (ptr noalias nocapture nofree noundef nonnull writeonly byval([[STRUCT_TEST_A:%.*]]) align 8 dereferenceable(24) [[DEV:%.*]]) #[[ATTR1:[0-9]+]] {
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_TEST_B:%.*]], ptr [[DEV]], i64 0, i32 1
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; CHECK-NEXT: store i32 1, ptr [[TMP1]], align 4
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; CHECK-NEXT: ret void
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;
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%1 = getelementptr inbounds %struct.test.b, ptr %dev, i64 0, i32 1
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store i32 1, ptr %1
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ret void
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}
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;.
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; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
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; TUNIT: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) }
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; TUNIT: attributes #[[ATTR2]] = { nofree nosync nounwind willreturn memory(write) }
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;.
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; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) }
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; CGSCC: attributes #[[ATTR2]] = { nofree nounwind willreturn memory(write) }
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;.
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