2888019871
Especially for callbacks, annotating the call site arguments is important. Doing so exposed a too strong dependence of AAMemoryBehavior on AANoCapture since we handle the case of potentially captured pointers explicitly. The changes to the tests are all mechanical.
106 lines
4.7 KiB
LLVM
106 lines
4.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
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; RUN: opt -S -attributor -attributor-disable=false < %s | FileCheck %s --check-prefixes=ALL,CHECK
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; RUN: opt -S -aa-pipeline='basic-aa' -passes=attributor -attributor-disable=false -attributor-annotate-decl-cs < %s | FileCheck %s --check-prefixes=ALL,DECL_CS
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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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; CHECK-LABEL: define {{[^@]+}}@internal
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; CHECK-SAME: (void (i8*)* [[FP:%.*]])
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
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; CHECK-NEXT: [[TMP:%.*]] = bitcast i32* [[A]] to i8*
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; CHECK-NEXT: call void @foo(i32* nocapture nofree nonnull readnone align 4 dereferenceable(4) undef)
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; CHECK-NEXT: call void [[FP]](i8* bitcast (void (i32*)* @foo to i8*))
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; CHECK-NEXT: call void @callback1(void (i32*)* nonnull @foo)
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; CHECK-NEXT: call void @callback2(void (i8*)* bitcast (void (i32*)* @foo to void (i8*)*))
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; CHECK-NEXT: call void @callback2(void (i8*)* [[FP]])
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[A]] to i8*
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; CHECK-NEXT: call void [[FP]](i8* [[TMP1]])
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; CHECK-NEXT: ret void
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;
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; DECL_CS-LABEL: define {{[^@]+}}@internal
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; DECL_CS-SAME: (void (i8*)* [[FP:%.*]])
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; DECL_CS-NEXT: entry:
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; DECL_CS-NEXT: [[A:%.*]] = alloca i32, align 4
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; DECL_CS-NEXT: [[TMP:%.*]] = bitcast i32* [[A]] to i8*
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; DECL_CS-NEXT: call void @foo(i32* nocapture nofree nonnull readnone align 4 dereferenceable(4) undef)
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; DECL_CS-NEXT: call void [[FP]](i8* bitcast (void (i32*)* @foo to i8*))
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; DECL_CS-NEXT: call void @callback1(void (i32*)* nonnull @foo)
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; DECL_CS-NEXT: call void @callback2(void (i8*)* nonnull bitcast (void (i32*)* @foo to void (i8*)*))
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; DECL_CS-NEXT: call void @callback2(void (i8*)* [[FP]])
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; DECL_CS-NEXT: [[TMP1:%.*]] = bitcast i32* [[A]] to i8*
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; DECL_CS-NEXT: call void [[FP]](i8* [[TMP1]])
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; DECL_CS-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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; CHECK-LABEL: define {{[^@]+}}@external
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; CHECK-SAME: (void (i8*)* [[FP:%.*]])
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
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; CHECK-NEXT: [[TMP:%.*]] = bitcast i32* [[A]] to i8*
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; CHECK-NEXT: call void @foo(i32* nocapture nofree nonnull readnone align 4 dereferenceable(4) undef)
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; CHECK-NEXT: call void @callback1(void (i32*)* nonnull @foo)
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; CHECK-NEXT: call void @callback2(void (i8*)* bitcast (void (i32*)* @foo to void (i8*)*))
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; CHECK-NEXT: call void @callback2(void (i8*)* [[FP]])
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; CHECK-NEXT: call void [[FP]](i8* bitcast (void (i32*)* @foo to i8*))
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[A]] to i8*
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; CHECK-NEXT: call void [[FP]](i8* [[TMP1]])
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; CHECK-NEXT: call void @internal(void (i8*)* [[FP]])
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; CHECK-NEXT: ret void
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;
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; DECL_CS-LABEL: define {{[^@]+}}@external
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; DECL_CS-SAME: (void (i8*)* [[FP:%.*]])
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; DECL_CS-NEXT: entry:
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; DECL_CS-NEXT: [[A:%.*]] = alloca i32, align 4
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; DECL_CS-NEXT: [[TMP:%.*]] = bitcast i32* [[A]] to i8*
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; DECL_CS-NEXT: call void @foo(i32* nocapture nofree nonnull readnone align 4 dereferenceable(4) undef)
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; DECL_CS-NEXT: call void @callback1(void (i32*)* nonnull @foo)
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; DECL_CS-NEXT: call void @callback2(void (i8*)* nonnull bitcast (void (i32*)* @foo to void (i8*)*))
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; DECL_CS-NEXT: call void @callback2(void (i8*)* [[FP]])
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; DECL_CS-NEXT: call void [[FP]](i8* bitcast (void (i32*)* @foo to i8*))
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; DECL_CS-NEXT: [[TMP1:%.*]] = bitcast i32* [[A]] to i8*
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; DECL_CS-NEXT: call void [[FP]](i8* [[TMP1]])
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; DECL_CS-NEXT: call void @internal(void (i8*)* [[FP]])
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; DECL_CS-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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; ALL-LABEL: define {{[^@]+}}@foo
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; ALL-SAME: (i32* nocapture nofree readnone [[A:%.*]])
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; ALL-NEXT: entry:
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; ALL-NEXT: ret void
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;
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entry:
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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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