; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
;; This function returns its second argument on all return statements
define internal ptr @incdec(i1 %C, ptr %V) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write)
; TUNIT-LABEL: define {{[^@]+}}@incdec
; TUNIT-SAME: (i1 noundef [[C:%.*]], ptr noalias nofree noundef nonnull returned writeonly align 4 dereferenceable(4) "no-capture-maybe-returned" [[V:%.*]]) #[[ATTR0:[0-9]+]] {
; TUNIT-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
; TUNIT: T:
; TUNIT-NEXT: ret ptr [[V]]
; TUNIT: F:
; TUNIT-NEXT: ret ptr [[V]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite)
; CGSCC-LABEL: define {{[^@]+}}@incdec
; CGSCC-SAME: (i1 noundef [[C:%.*]], ptr nofree noundef nonnull returned align 4 dereferenceable(4) "no-capture-maybe-returned" [[V:%.*]]) #[[ATTR0:[0-9]+]] {
; CGSCC-NEXT: [[X:%.*]] = load i32, ptr [[V]], align 4
; CGSCC-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
; CGSCC: T:
; CGSCC-NEXT: [[X1:%.*]] = add i32 [[X]], 1
; CGSCC-NEXT: store i32 [[X1]], ptr [[V]], align 4
; CGSCC-NEXT: ret ptr [[V]]
; CGSCC: F:
; CGSCC-NEXT: [[X2:%.*]] = sub i32 [[X]], 1
; CGSCC-NEXT: store i32 [[X2]], ptr [[V]], align 4
; CGSCC-NEXT: ret ptr [[V]]
;
%X = load i32, ptr %V
br i1 %C, label %T, label %F
T: ; preds = %0
%X1 = add i32 %X, 1
store i32 %X1, ptr %V
ret ptr %V
F: ; preds = %0
%X2 = sub i32 %X, 1
store i32 %X2, ptr %V
ret ptr %V
}
;; This function returns its first argument as a part of a multiple return
;; value
define internal { i32, i32 } @foo(i32 %A, i32 %B) {
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@foo
; CGSCC-SAME: (i32 noundef [[A:%.*]], i32 noundef [[B:%.*]]) #[[ATTR1:[0-9]+]] {
; CGSCC-NEXT: [[X:%.*]] = add i32 [[A]], [[B]]
; CGSCC-NEXT: [[Y:%.*]] = insertvalue { i32, i32 } undef, i32 [[A]], 0
; CGSCC-NEXT: [[Z:%.*]] = insertvalue { i32, i32 } [[Y]], i32 [[X]], 1
; CGSCC-NEXT: ret { i32, i32 } [[Z]]
;
%X = add i32 %A, %B
%Y = insertvalue { i32, i32 } undef, i32 %A, 0
%Z = insertvalue { i32, i32 } %Y, i32 %X, 1
ret { i32, i32 } %Z
}
define void @caller(i1 %C) personality ptr @__gxx_personality_v0 {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@caller
; TUNIT-SAME: (i1 [[C:%.*]]) #[[ATTR1:[0-9]+]] personality ptr @__gxx_personality_v0 {
; TUNIT-NEXT: [[Q:%.*]] = alloca i32, align 4
; TUNIT-NEXT: [[W:%.*]] = call align 4 ptr @incdec(i1 noundef [[C]], ptr noalias nofree noundef nonnull writeonly align 4 dereferenceable(4) "no-capture-maybe-returned" [[Q]]) #[[ATTR2:[0-9]+]]
; TUNIT-NEXT: br label [[OK:%.*]]
; TUNIT: OK:
; TUNIT-NEXT: br label [[RET:%.*]]
; TUNIT: LPAD:
; TUNIT-NEXT: unreachable
; TUNIT: RET:
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@caller
; CGSCC-SAME: (i1 noundef [[C:%.*]]) #[[ATTR2:[0-9]+]] personality ptr @__gxx_personality_v0 {
; CGSCC-NEXT: [[Q:%.*]] = alloca i32, align 4
; CGSCC-NEXT: [[W:%.*]] = call align 4 ptr @incdec(i1 noundef [[C]], ptr noalias nofree noundef nonnull align 4 dereferenceable(4) [[Q]]) #[[ATTR3:[0-9]+]]
; CGSCC-NEXT: [[S1:%.*]] = call { i32, i32 } @foo(i32 noundef 1, i32 noundef 2) #[[ATTR4:[0-9]+]]
; CGSCC-NEXT: [[X1:%.*]] = extractvalue { i32, i32 } [[S1]], 0
; CGSCC-NEXT: [[S2:%.*]] = call { i32, i32 } @foo(i32 noundef 3, i32 noundef 4) #[[ATTR5:[0-9]+]]
; CGSCC-NEXT: br label [[OK:%.*]]
; CGSCC: OK:
; CGSCC-NEXT: [[X2:%.*]] = extractvalue { i32, i32 } [[S2]], 0
; CGSCC-NEXT: [[Z:%.*]] = add i32 [[X1]], [[X2]]
; CGSCC-NEXT: store i32 [[Z]], ptr [[W]], align 4
; CGSCC-NEXT: br label [[RET:%.*]]
; CGSCC: LPAD:
; CGSCC-NEXT: unreachable
; CGSCC: RET:
; CGSCC-NEXT: ret void
;
%Q = alloca i32
;; Call incdec to see if %W is properly replaced by %Q
%W = call ptr @incdec(i1 %C, ptr %Q ) ; <i32> [#uses=1]
;; Call @foo twice, to prevent the arguments from propagating into the
;; function (so we can check the returned argument is properly
;; propagated per-caller).
%S1 = call { i32, i32 } @foo(i32 1, i32 2)
%X1 = extractvalue { i32, i32 } %S1, 0
%S2 = invoke { i32, i32 } @foo(i32 3, i32 4) to label %OK unwind label %LPAD
OK:
%X2 = extractvalue { i32, i32 } %S2, 0
%Z = add i32 %X1, %X2
store i32 %Z, ptr %W
br label %RET
LPAD:
%exn = landingpad {ptr, i32}
cleanup
br label %RET
RET:
ret void
}
declare i32 @__gxx_personality_v0(...)
;.
; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) }
; TUNIT: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
; TUNIT: attributes #[[ATTR2]] = { nofree nosync nounwind willreturn memory(write) }
;.
; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) }
; CGSCC: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR2]] = { mustprogress nofree nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR3]] = { nofree nounwind willreturn }
; CGSCC: attributes #[[ATTR4]] = { nofree nosync willreturn }
; CGSCC: attributes #[[ATTR5]] = { nofree nosync nounwind willreturn memory(none) }
;.
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK: {{.*}}
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