; 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 declare void @unknown() nocallback define i32 @many_writes_nosycn(i1 %c0, i1 %c1, i1 %c2) nosync { ; CHECK: Function Attrs: norecurse nosync ; CHECK-LABEL: define {{[^@]+}}@many_writes_nosycn ; CHECK-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]], i1 [[C2:%.*]]) #[[ATTR1:[0-9]+]] { ; CHECK-NEXT: [[P:%.*]] = alloca i32, align 4 ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: br i1 [[C0]], label [[T0:%.*]], label [[F0:%.*]] ; CHECK: t0: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: br i1 [[C1]], label [[T1:%.*]], label [[M1:%.*]] ; CHECK: f0: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: br i1 [[C2]], label [[F1:%.*]], label [[M1]] ; CHECK: t1: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: store i32 7, ptr [[P]], align 4 ; CHECK-NEXT: br label [[M2:%.*]] ; CHECK: f1: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: store i32 9, ptr [[P]], align 4 ; CHECK-NEXT: br label [[M2]] ; CHECK: m1: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: store i32 11, ptr [[P]], align 4 ; CHECK-NEXT: br label [[M2]] ; CHECK: m2: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4 ; CHECK-NEXT: ret i32 [[L]] ; %p = alloca i32 store i32 0, ptr %p call void @unknown() store i32 1, ptr %p br i1 %c0, label %t0, label %f0 t0: store i32 2, ptr %p call void @unknown() store i32 3, ptr %p br i1 %c1, label %t1, label %m1 f0: store i32 4, ptr %p call void @unknown() store i32 5, ptr %p br i1 %c2, label %f1, label %m1 t1: store i32 6, ptr %p call void @unknown() store i32 7, ptr %p br label %m2 f1: store i32 8, ptr %p call void @unknown() store i32 9, ptr %p br label %m2 m1: store i32 10, ptr %p call void @unknown() store i32 11, ptr %p br label %m2 m2: call void @unknown() %l = load i32, ptr %p ret i32 %l } define i32 @many_writes(i1 %c0, i1 %c1, i1 %c2) { ; CHECK: Function Attrs: norecurse ; CHECK-LABEL: define {{[^@]+}}@many_writes ; CHECK-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]], i1 [[C2:%.*]]) #[[ATTR2:[0-9]+]] { ; CHECK-NEXT: [[P:%.*]] = alloca i32, align 4 ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: br i1 [[C0]], label [[T0:%.*]], label [[F0:%.*]] ; CHECK: t0: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: br i1 [[C1]], label [[T1:%.*]], label [[M1:%.*]] ; CHECK: f0: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: br i1 [[C2]], label [[F1:%.*]], label [[M1]] ; CHECK: t1: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: store i32 7, ptr [[P]], align 4 ; CHECK-NEXT: br label [[M2:%.*]] ; CHECK: f1: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: store i32 9, ptr [[P]], align 4 ; CHECK-NEXT: br label [[M2]] ; CHECK: m1: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: store i32 11, ptr [[P]], align 4 ; CHECK-NEXT: br label [[M2]] ; CHECK: m2: ; CHECK-NEXT: call void @unknown() ; CHECK-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4 ; CHECK-NEXT: ret i32 [[L]] ; %p = alloca i32 store i32 0, ptr %p call void @unknown() store i32 1, ptr %p br i1 %c0, label %t0, label %f0 t0: store i32 2, ptr %p call void @unknown() store i32 3, ptr %p br i1 %c1, label %t1, label %m1 f0: store i32 4, ptr %p call void @unknown() store i32 5, ptr %p br i1 %c2, label %f1, label %m1 t1: store i32 6, ptr %p call void @unknown() store i32 7, ptr %p br label %m2 f1: store i32 8, ptr %p call void @unknown() store i32 9, ptr %p br label %m2 m1: store i32 10, ptr %p call void @unknown() store i32 11, ptr %p br label %m2 m2: call void @unknown() %l = load i32, ptr %p ret i32 %l } declare void @usei32(i32) nocallback ; Ensure we use 42, not undef, for %l in the usei32 call and %r in the return. define internal i32 @remote_write_and_read(ptr %p) norecurse { ; TUNIT: Function Attrs: norecurse ; TUNIT-LABEL: define {{[^@]+}}@remote_write_and_read ; TUNIT-SAME: (ptr noalias nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR2]] { ; TUNIT-NEXT: call void @usei32(i32 noundef 42) ; TUNIT-NEXT: ret i32 undef ; ; CGSCC: Function Attrs: norecurse ; CGSCC-LABEL: define {{[^@]+}}@remote_write_and_read ; CGSCC-SAME: (ptr noalias nocapture nofree noundef nonnull align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR2]] { ; CGSCC-NEXT: store i32 42, ptr [[P]], align 4 ; CGSCC-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4 ; CGSCC-NEXT: call void @usei32(i32 [[L]]) ; CGSCC-NEXT: ret i32 [[L]] ; store i32 42, ptr %p %l = load i32, ptr %p call void @usei32(i32 %l) ret i32 %l } define i32 @local_stack_remote_write_and_read() norecurse { ; TUNIT: Function Attrs: norecurse ; TUNIT-LABEL: define {{[^@]+}}@local_stack_remote_write_and_read ; TUNIT-SAME: () #[[ATTR2]] { ; TUNIT-NEXT: [[A:%.*]] = alloca i32, align 4 ; TUNIT-NEXT: [[R:%.*]] = call i32 @remote_write_and_read(ptr noalias nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[A]]) ; TUNIT-NEXT: ret i32 42 ; ; CGSCC: Function Attrs: norecurse ; CGSCC-LABEL: define {{[^@]+}}@local_stack_remote_write_and_read ; CGSCC-SAME: () #[[ATTR2]] { ; CGSCC-NEXT: [[A:%.*]] = alloca i32, align 4 ; CGSCC-NEXT: [[R:%.*]] = call i32 @remote_write_and_read(ptr noalias nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]]) ; CGSCC-NEXT: ret i32 [[R]] ; %a = alloca i32 %r = call i32 @remote_write_and_read(ptr %a) ret i32 %r } ;. ; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback } ; CHECK: attributes #[[ATTR1]] = { norecurse nosync } ; CHECK: attributes #[[ATTR2]] = { norecurse } ;.