b51b83f68e
D106720 introduced features that did not work properly as we could add new queries after a fixpoint was reached and which could not be answered by the information gathered up to the fixpoint alone. As an alternative to D110078, which forced eager computation where we want to continue to be lazy, this patch fixes the problem. QueryAAs are AAs that allow lazy queries during their lifetime. They are never fixed if they have no outstanding dependences and always run as part of the updates in an iteration. To determine if we are done, all query AAs are asked if they received new queries, if not, we only need to consider updated AAs, as before. If new queries are present we go for another iteration. Differential Revision: https://reviews.llvm.org/D118669
119 lines
6.4 KiB
LLVM
119 lines
6.4 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 -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
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; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
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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,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
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;
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; Mostly check we do not crash on these uses
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define internal void @internal(void (i8*)* %fp) {
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;
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;
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; IS__TUNIT____-LABEL: define {{[^@]+}}@internal
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; IS__TUNIT____-SAME: (void (i8*)* nonnull [[FP:%.*]]) {
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; IS__TUNIT____-NEXT: entry:
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; IS__TUNIT____-NEXT: [[A:%.*]] = alloca i32, align 4
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; IS__TUNIT____-NEXT: call void @foo(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[A]]) #[[ATTR1:[0-9]+]]
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; IS__TUNIT____-NEXT: call void [[FP]](i8* bitcast (void (i32*)* @foo to i8*))
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; IS__TUNIT____-NEXT: call void @callback1(void (i32*)* noundef nonnull @foo)
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; IS__TUNIT____-NEXT: call void @callback2(void (i8*)* noundef bitcast (void (i32*)* @foo to void (i8*)*))
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; IS__TUNIT____-NEXT: call void @callback2(void (i8*)* nonnull [[FP]])
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; IS__TUNIT____-NEXT: [[TMP1:%.*]] = bitcast i32* [[A]] to i8*
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; IS__TUNIT____-NEXT: call void [[FP]](i8* [[TMP1]])
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____-LABEL: define {{[^@]+}}@internal
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; IS__CGSCC____-SAME: (void (i8*)* noundef nonnull [[FP:%.*]]) {
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; IS__CGSCC____-NEXT: entry:
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; IS__CGSCC____-NEXT: [[A:%.*]] = alloca i32, align 4
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; IS__CGSCC____-NEXT: call void @foo(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[A]]) #[[ATTR1:[0-9]+]]
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; IS__CGSCC____-NEXT: call void [[FP]](i8* bitcast (void (i32*)* @foo to i8*))
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; IS__CGSCC____-NEXT: call void @callback1(void (i32*)* noundef nonnull @foo)
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; IS__CGSCC____-NEXT: call void @callback2(void (i8*)* noundef bitcast (void (i32*)* @foo to void (i8*)*))
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; IS__CGSCC____-NEXT: call void @callback2(void (i8*)* noundef nonnull [[FP]])
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; IS__CGSCC____-NEXT: [[TMP1:%.*]] = bitcast i32* [[A]] to i8*
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; IS__CGSCC____-NEXT: call void [[FP]](i8* [[TMP1]])
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; IS__CGSCC____-NEXT: ret void
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;
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entry:
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%a = alloca i32, align 4
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%tmp = bitcast i32* %a to i8*
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call void @foo(i32* nonnull %a)
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call void %fp(i8* bitcast (void (i32*)* @foo to i8*))
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call void @callback1(void (i32*)* nonnull @foo)
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call void @callback2(void (i8*)* bitcast (void (i32*)* @foo to void (i8*)*))
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call void @callback2(void (i8*)* %fp)
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%tmp1 = bitcast i32* %a to i8*
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call void %fp(i8* %tmp1)
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ret void
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}
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define void @external(void (i8*)* %fp) {
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;
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;
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; IS__TUNIT____-LABEL: define {{[^@]+}}@external
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; IS__TUNIT____-SAME: (void (i8*)* [[FP:%.*]]) {
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; IS__TUNIT____-NEXT: entry:
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; IS__TUNIT____-NEXT: [[A:%.*]] = alloca i32, align 4
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; IS__TUNIT____-NEXT: call void @foo(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[A]]) #[[ATTR1]]
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; IS__TUNIT____-NEXT: call void @callback1(void (i32*)* noundef nonnull @foo)
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; IS__TUNIT____-NEXT: call void @callback2(void (i8*)* noundef bitcast (void (i32*)* @foo to void (i8*)*))
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; IS__TUNIT____-NEXT: call void @callback2(void (i8*)* [[FP]])
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; IS__TUNIT____-NEXT: call void [[FP]](i8* bitcast (void (i32*)* @foo to i8*))
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; IS__TUNIT____-NEXT: [[TMP1:%.*]] = bitcast i32* [[A]] to i8*
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; IS__TUNIT____-NEXT: call void [[FP]](i8* [[TMP1]])
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; IS__TUNIT____-NEXT: call void @internal(void (i8*)* nonnull [[FP]])
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____-LABEL: define {{[^@]+}}@external
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; IS__CGSCC____-SAME: (void (i8*)* [[FP:%.*]]) {
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; IS__CGSCC____-NEXT: entry:
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; IS__CGSCC____-NEXT: [[A:%.*]] = alloca i32, align 4
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; IS__CGSCC____-NEXT: call void @foo(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[A]]) #[[ATTR1]]
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; IS__CGSCC____-NEXT: call void @callback1(void (i32*)* noundef nonnull @foo)
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; IS__CGSCC____-NEXT: call void @callback2(void (i8*)* noundef bitcast (void (i32*)* @foo to void (i8*)*))
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; IS__CGSCC____-NEXT: call void @callback2(void (i8*)* [[FP]])
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; IS__CGSCC____-NEXT: call void [[FP]](i8* bitcast (void (i32*)* @foo to i8*))
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; IS__CGSCC____-NEXT: [[TMP1:%.*]] = bitcast i32* [[A]] to i8*
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; IS__CGSCC____-NEXT: call void [[FP]](i8* [[TMP1]])
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; IS__CGSCC____-NEXT: call void @internal(void (i8*)* noundef nonnull [[FP]])
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; IS__CGSCC____-NEXT: ret void
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;
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entry:
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%a = alloca i32, align 4
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%tmp = bitcast i32* %a to i8*
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call void @foo(i32* nonnull %a)
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call void @callback1(void (i32*)* nonnull @foo)
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call void @callback2(void (i8*)* bitcast (void (i32*)* @foo to void (i8*)*))
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call void @callback2(void (i8*)* %fp)
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call void %fp(i8* bitcast (void (i32*)* @foo to i8*))
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%tmp1 = bitcast i32* %a to i8*
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call void %fp(i8* %tmp1)
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call void @internal(void (i8*)* %fp)
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ret void
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}
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define internal void @foo(i32* %a) {
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;
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; CHECK: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly
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; CHECK-LABEL: define {{[^@]+}}@foo
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; CHECK-SAME: (i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: store i32 0, i32* [[A]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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store i32 0, i32* %a
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ret void
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}
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declare void @callback1(void (i32*)*)
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declare void @callback2(void (i8*)*)
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;.
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; IS__TUNIT____: attributes #[[ATTR0]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly }
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; IS__TUNIT____: attributes #[[ATTR1]] = { nofree nosync nounwind willreturn writeonly }
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;.
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; IS__CGSCC____: attributes #[[ATTR0]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly }
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; IS__CGSCC____: attributes #[[ATTR1]] = { nounwind willreturn writeonly }
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;.
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