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99e7762288
This patch modularizes the way we check for no-alias call site arguments by putting the existing logic into helper functions. The reasoning was not changed but special cases for readonly/readnone were added.
106 lines
4.6 KiB
LLVM
106 lines
4.6 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* noalias 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* noalias 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* noalias 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* noalias 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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