; 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
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
; Test 0
;
; Make sure we propagate information from the caller to the callback callee but
; only for arguments that are mapped through the callback metadata. Here, the
; first two arguments of the call and the callback callee do not correspond to
; each other but argument 3-5 of the transitive call site in the caller match
; arguments 2-4 of the callback callee. Here we should see information and value
; transfer in both directions.
define void @t0_caller(ptr %a) {
; TUNIT-LABEL: define {{[^@]+}}@t0_caller
; TUNIT-SAME: (ptr align 256 [[A:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[B:%.*]] = alloca i32, align 32
; TUNIT-NEXT: [[C:%.*]] = alloca ptr, align 64
; TUNIT-NEXT: [[PTR:%.*]] = alloca i32, align 128
; TUNIT-NEXT: store i32 42, ptr [[B]], align 32
; TUNIT-NEXT: store ptr [[B]], ptr [[C]], align 64
; TUNIT-NEXT: call void (ptr, ptr, ptr, ...) @t0_callback_broker(ptr noundef align 4294967296 null, ptr noundef nonnull align 128 dereferenceable(4) [[PTR]], ptr noundef nonnull @t0_callback_callee, ptr align 256 [[A]], i64 undef, ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C]])
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@t0_caller
; CGSCC-SAME: (ptr align 256 [[A:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[B:%.*]] = alloca i32, align 32
; CGSCC-NEXT: [[C:%.*]] = alloca ptr, align 64
; CGSCC-NEXT: [[PTR:%.*]] = alloca i32, align 128
; CGSCC-NEXT: store i32 42, ptr [[B]], align 32
; CGSCC-NEXT: store ptr [[B]], ptr [[C]], align 64
; CGSCC-NEXT: call void (ptr, ptr, ptr, ...) @t0_callback_broker(ptr noundef align 4294967296 null, ptr noundef nonnull align 128 dereferenceable(4) [[PTR]], ptr noundef nonnull @t0_callback_callee, ptr align 256 [[A]], i64 noundef 99, ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C]])
; CGSCC-NEXT: ret void
;
entry:
%b = alloca i32, align 32
%c = alloca ptr, align 64
%ptr = alloca i32, align 128
store i32 42, ptr %b, align 4
store ptr %b, ptr %c, align 8
call void (ptr, ptr, ptr, ...) @t0_callback_broker(ptr null, ptr %ptr, ptr @t0_callback_callee, ptr %a, i64 99, ptr %c)
ret void
}
; Note that the first two arguments are provided by the callback_broker according to the callback in !1 below!
; The others are annotated with alignment information, amongst others, or even replaced by the constants passed to the call.
define internal void @t0_callback_callee(ptr %is_not_null, ptr %ptr, ptr %a, i64 %b, ptr %c) {
;
; TUNIT-LABEL: define {{[^@]+}}@t0_callback_callee
; TUNIT-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[IS_NOT_NULL:%.*]], ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(4) [[PTR:%.*]], ptr align 256 [[A:%.*]], i64 [[B:%.*]], ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[PTR_VAL:%.*]] = load i32, ptr [[PTR]], align 8
; TUNIT-NEXT: store i32 [[PTR_VAL]], ptr [[IS_NOT_NULL]], align 4
; TUNIT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[C]], align 64
; TUNIT-NEXT: tail call void @t0_check(ptr align 256 [[A]], i64 noundef 99, ptr align 32 [[TMP0]])
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@t0_callback_callee
; CGSCC-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[IS_NOT_NULL:%.*]], ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(4) [[PTR:%.*]], ptr align 256 [[A:%.*]], i64 [[B:%.*]], ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[PTR_VAL:%.*]] = load i32, ptr [[PTR]], align 8
; CGSCC-NEXT: store i32 [[PTR_VAL]], ptr [[IS_NOT_NULL]], align 4
; CGSCC-NEXT: [[TMP0:%.*]] = load ptr, ptr [[C]], align 64
; CGSCC-NEXT: tail call void @t0_check(ptr align 256 [[A]], i64 noundef 99, ptr [[TMP0]])
; CGSCC-NEXT: ret void
;
entry:
%ptr_val = load i32, ptr %ptr, align 8
store i32 %ptr_val, ptr %is_not_null
%0 = load ptr, ptr %c, align 8
tail call void @t0_check(ptr %a, i64 %b, ptr %0)
ret void
}
declare void @t0_check(ptr align 256, i64, ptr)
declare !callback !0 void @t0_callback_broker(ptr, ptr, ptr, ...)
; Test 1
;
; Similar to test 0 but with some additional annotations (noalias/nocapute) to make sure
; we deduce and propagate noalias and others properly.
define void @t1_caller(ptr noalias %a) {
;
; TUNIT-LABEL: define {{[^@]+}}@t1_caller
; TUNIT-SAME: (ptr noalias nocapture align 256 [[A:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[B:%.*]] = alloca i32, align 32
; TUNIT-NEXT: [[C:%.*]] = alloca ptr, align 64
; TUNIT-NEXT: [[PTR:%.*]] = alloca i32, align 128
; TUNIT-NEXT: store i32 42, ptr [[B]], align 32
; TUNIT-NEXT: store ptr [[B]], ptr [[C]], align 64
; TUNIT-NEXT: call void (ptr, ptr, ptr, ...) @t1_callback_broker(ptr noundef align 4294967296 null, ptr noalias nocapture noundef nonnull align 128 dereferenceable(4) [[PTR]], ptr nocapture noundef nonnull @t1_callback_callee, ptr nocapture align 256 [[A]], i64 undef, ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C]])
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@t1_caller
; CGSCC-SAME: (ptr noalias nocapture align 256 [[A:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[B:%.*]] = alloca i32, align 32
; CGSCC-NEXT: [[C:%.*]] = alloca ptr, align 64
; CGSCC-NEXT: [[PTR:%.*]] = alloca i32, align 128
; CGSCC-NEXT: store i32 42, ptr [[B]], align 32
; CGSCC-NEXT: store ptr [[B]], ptr [[C]], align 64
; CGSCC-NEXT: call void (ptr, ptr, ptr, ...) @t1_callback_broker(ptr noundef align 4294967296 null, ptr noalias nocapture noundef nonnull align 128 dereferenceable(4) [[PTR]], ptr nocapture noundef nonnull @t1_callback_callee, ptr nocapture align 256 [[A]], i64 noundef 99, ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C]])
; CGSCC-NEXT: ret void
;
entry:
%b = alloca i32, align 32
%c = alloca ptr, align 64
%ptr = alloca i32, align 128
store i32 42, ptr %b, align 4
store ptr %b, ptr %c, align 8
call void (ptr, ptr, ptr, ...) @t1_callback_broker(ptr null, ptr %ptr, ptr @t1_callback_callee, ptr %a, i64 99, ptr %c)
ret void
}
; Note that the first two arguments are provided by the callback_broker according to the callback in !1 below!
; The others are annotated with alignment information, amongst others, or even replaced by the constants passed to the call.
define internal void @t1_callback_callee(ptr %is_not_null, ptr %ptr, ptr %a, i64 %b, ptr %c) {
;
; TUNIT: Function Attrs: nosync
; TUNIT-LABEL: define {{[^@]+}}@t1_callback_callee
; TUNIT-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[IS_NOT_NULL:%.*]], ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(4) [[PTR:%.*]], ptr nocapture align 256 [[A:%.*]], i64 [[B:%.*]], ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C:%.*]]) #[[ATTR0:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[PTR_VAL:%.*]] = load i32, ptr [[PTR]], align 8
; TUNIT-NEXT: store i32 [[PTR_VAL]], ptr [[IS_NOT_NULL]], align 4
; TUNIT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[C]], align 64
; TUNIT-NEXT: tail call void @t1_check(ptr nocapture align 256 [[A]], i64 noundef 99, ptr nocapture align 32 [[TMP0]])
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: nosync
; CGSCC-LABEL: define {{[^@]+}}@t1_callback_callee
; CGSCC-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[IS_NOT_NULL:%.*]], ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(4) [[PTR:%.*]], ptr nocapture align 256 [[A:%.*]], i64 [[B:%.*]], ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C:%.*]]) #[[ATTR0:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[PTR_VAL:%.*]] = load i32, ptr [[PTR]], align 8
; CGSCC-NEXT: store i32 [[PTR_VAL]], ptr [[IS_NOT_NULL]], align 4
; CGSCC-NEXT: [[TMP0:%.*]] = load ptr, ptr [[C]], align 64
; CGSCC-NEXT: tail call void @t1_check(ptr nocapture align 256 [[A]], i64 noundef 99, ptr nocapture [[TMP0]])
; CGSCC-NEXT: ret void
;
entry:
%ptr_val = load i32, ptr %ptr, align 8
store i32 %ptr_val, ptr %is_not_null
%0 = load ptr, ptr %c, align 8
tail call void @t1_check(ptr %a, i64 %b, ptr %0)
ret void
}
declare void @t1_check(ptr nocapture align 256, i64, ptr nocapture) nosync
declare !callback !0 void @t1_callback_broker(ptr nocapture , ptr nocapture , ptr nocapture, ...)
; Test 2
;
; Similar to test 1 but checking that the noalias is only placed if potential synchronization through @t2_check is preserved.
define void @t2_caller(ptr noalias %a) {
; TUNIT-LABEL: define {{[^@]+}}@t2_caller
; TUNIT-SAME: (ptr noalias nocapture align 256 [[A:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[B:%.*]] = alloca i32, align 32
; TUNIT-NEXT: [[C:%.*]] = alloca ptr, align 64
; TUNIT-NEXT: [[PTR:%.*]] = alloca i32, align 128
; TUNIT-NEXT: store i32 42, ptr [[B]], align 32
; TUNIT-NEXT: store ptr [[B]], ptr [[C]], align 64
; TUNIT-NEXT: call void (ptr, ptr, ptr, ...) @t2_callback_broker(ptr noundef align 4294967296 null, ptr noalias nocapture noundef nonnull align 128 dereferenceable(4) [[PTR]], ptr nocapture noundef nonnull @t2_callback_callee, ptr nocapture align 256 [[A]], i64 undef, ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C]])
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@t2_caller
; CGSCC-SAME: (ptr noalias nocapture align 256 [[A:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[B:%.*]] = alloca i32, align 32
; CGSCC-NEXT: [[C:%.*]] = alloca ptr, align 64
; CGSCC-NEXT: [[PTR:%.*]] = alloca i32, align 128
; CGSCC-NEXT: store i32 42, ptr [[B]], align 32
; CGSCC-NEXT: store ptr [[B]], ptr [[C]], align 64
; CGSCC-NEXT: call void (ptr, ptr, ptr, ...) @t2_callback_broker(ptr noundef align 4294967296 null, ptr noalias nocapture noundef nonnull align 128 dereferenceable(4) [[PTR]], ptr nocapture noundef nonnull @t2_callback_callee, ptr nocapture align 256 [[A]], i64 noundef 99, ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C]])
; CGSCC-NEXT: ret void
;
entry:
%b = alloca i32, align 32
%c = alloca ptr, align 64
%ptr = alloca i32, align 128
store i32 42, ptr %b, align 4
store ptr %b, ptr %c, align 8
call void (ptr, ptr, ptr, ...) @t2_callback_broker(ptr null, ptr %ptr, ptr @t2_callback_callee, ptr %a, i64 99, ptr %c)
ret void
}
; Note that the first two arguments are provided by the callback_broker according to the callback in !1 below!
; The others are annotated with alignment information, amongst others, or even replaced by the constants passed to the call.
;
; FIXME: We should derive noalias for %a and add a "fake use" of %a in all potentially synchronizing calls.
define internal void @t2_callback_callee(ptr %is_not_null, ptr %ptr, ptr %a, i64 %b, ptr %c) {
;
; TUNIT-LABEL: define {{[^@]+}}@t2_callback_callee
; TUNIT-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[IS_NOT_NULL:%.*]], ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(4) [[PTR:%.*]], ptr nocapture align 256 [[A:%.*]], i64 [[B:%.*]], ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[PTR_VAL:%.*]] = load i32, ptr [[PTR]], align 8
; TUNIT-NEXT: store i32 [[PTR_VAL]], ptr [[IS_NOT_NULL]], align 4
; TUNIT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[C]], align 64
; TUNIT-NEXT: tail call void @t2_check(ptr nocapture align 256 [[A]], i64 noundef 99, ptr nocapture align 32 [[TMP0]])
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@t2_callback_callee
; CGSCC-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[IS_NOT_NULL:%.*]], ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(4) [[PTR:%.*]], ptr nocapture align 256 [[A:%.*]], i64 [[B:%.*]], ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[PTR_VAL:%.*]] = load i32, ptr [[PTR]], align 8
; CGSCC-NEXT: store i32 [[PTR_VAL]], ptr [[IS_NOT_NULL]], align 4
; CGSCC-NEXT: [[TMP0:%.*]] = load ptr, ptr [[C]], align 64
; CGSCC-NEXT: tail call void @t2_check(ptr nocapture align 256 [[A]], i64 noundef 99, ptr nocapture [[TMP0]])
; CGSCC-NEXT: ret void
;
entry:
%ptr_val = load i32, ptr %ptr, align 8
store i32 %ptr_val, ptr %is_not_null
%0 = load ptr, ptr %c, align 8
tail call void @t2_check(ptr %a, i64 %b, ptr %0)
ret void
}
declare void @t2_check(ptr nocapture align 256, i64, ptr nocapture)
declare !callback !0 void @t2_callback_broker(ptr nocapture , ptr nocapture , ptr nocapture, ...)
; Test 3
;
; Basically test 2 with the casted callback callee used twice.
define void @t3_caller(ptr noalias %a) {
; TUNIT-LABEL: define {{[^@]+}}@t3_caller
; TUNIT-SAME: (ptr noalias nocapture align 256 [[A:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[B:%.*]] = alloca i32, align 32
; TUNIT-NEXT: [[C:%.*]] = alloca ptr, align 64
; TUNIT-NEXT: [[PTR:%.*]] = alloca i32, align 128
; TUNIT-NEXT: store i32 42, ptr [[B]], align 32
; TUNIT-NEXT: store ptr [[B]], ptr [[C]], align 64
; TUNIT-NEXT: call void (ptr, ptr, ptr, ...) @t3_callback_broker(ptr noundef align 4294967296 null, ptr noalias nocapture noundef nonnull align 128 dereferenceable(4) [[PTR]], ptr nocapture noundef nonnull @t3_callback_callee, ptr nocapture align 256 [[A]], i64 undef, ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C]])
; TUNIT-NEXT: call void (ptr, ptr, ptr, ...) @t3_callback_broker(ptr noundef align 4294967296 null, ptr noalias nocapture noundef nonnull align 128 dereferenceable(4) [[PTR]], ptr nocapture noundef nonnull @t3_callback_callee, ptr nocapture align 256 [[A]], i64 undef, ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C]])
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@t3_caller
; CGSCC-SAME: (ptr noalias nocapture align 256 [[A:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[B:%.*]] = alloca i32, align 32
; CGSCC-NEXT: [[C:%.*]] = alloca ptr, align 64
; CGSCC-NEXT: [[PTR:%.*]] = alloca i32, align 128
; CGSCC-NEXT: store i32 42, ptr [[B]], align 32
; CGSCC-NEXT: store ptr [[B]], ptr [[C]], align 64
; CGSCC-NEXT: call void (ptr, ptr, ptr, ...) @t3_callback_broker(ptr noundef align 4294967296 null, ptr noalias nocapture noundef nonnull align 128 dereferenceable(4) [[PTR]], ptr nocapture noundef nonnull @t3_callback_callee, ptr nocapture align 256 [[A]], i64 noundef 99, ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C]])
; CGSCC-NEXT: call void (ptr, ptr, ptr, ...) @t3_callback_broker(ptr noundef align 4294967296 null, ptr noalias nocapture noundef nonnull align 128 dereferenceable(4) [[PTR]], ptr nocapture noundef nonnull @t3_callback_callee, ptr nocapture align 256 [[A]], i64 noundef 99, ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C]])
; CGSCC-NEXT: ret void
;
entry:
%b = alloca i32, align 32
%c = alloca ptr, align 64
%ptr = alloca i32, align 128
store i32 42, ptr %b, align 4
store ptr %b, ptr %c, align 8
call void (ptr, ptr, ptr, ...) @t3_callback_broker(ptr null, ptr %ptr, ptr @t3_callback_callee, ptr %a, i64 99, ptr %c)
call void (ptr, ptr, ptr, ...) @t3_callback_broker(ptr null, ptr %ptr, ptr @t3_callback_callee, ptr %a, i64 99, ptr %c)
ret void
}
; Note that the first two arguments are provided by the callback_broker according to the callback in !1 below!
; The others are annotated with alignment information, amongst others, or even replaced by the constants passed to the call.
;
; FIXME: We should derive noalias for %a and add a "fake use" of %a in all potentially synchronizing calls.
define internal void @t3_callback_callee(ptr %is_not_null, ptr %ptr, ptr %a, i64 %b, ptr %c) {
;
; TUNIT-LABEL: define {{[^@]+}}@t3_callback_callee
; TUNIT-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[IS_NOT_NULL:%.*]], ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(4) [[PTR:%.*]], ptr nocapture align 256 [[A:%.*]], i64 [[B:%.*]], ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[PTR_VAL:%.*]] = load i32, ptr [[PTR]], align 8
; TUNIT-NEXT: store i32 [[PTR_VAL]], ptr [[IS_NOT_NULL]], align 4
; TUNIT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[C]], align 64
; TUNIT-NEXT: tail call void @t3_check(ptr nocapture align 256 [[A]], i64 noundef 99, ptr nocapture align 32 [[TMP0]])
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@t3_callback_callee
; CGSCC-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[IS_NOT_NULL:%.*]], ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(4) [[PTR:%.*]], ptr nocapture align 256 [[A:%.*]], i64 [[B:%.*]], ptr noalias nocapture nofree noundef nonnull readonly align 64 dereferenceable(8) [[C:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[PTR_VAL:%.*]] = load i32, ptr [[PTR]], align 8
; CGSCC-NEXT: store i32 [[PTR_VAL]], ptr [[IS_NOT_NULL]], align 4
; CGSCC-NEXT: [[TMP0:%.*]] = load ptr, ptr [[C]], align 64
; CGSCC-NEXT: tail call void @t3_check(ptr nocapture align 256 [[A]], i64 noundef 99, ptr nocapture [[TMP0]])
; CGSCC-NEXT: ret void
;
entry:
%ptr_val = load i32, ptr %ptr, align 8
store i32 %ptr_val, ptr %is_not_null
%0 = load ptr, ptr %c, align 8
tail call void @t3_check(ptr %a, i64 %b, ptr %0)
ret void
}
declare void @t3_check(ptr nocapture align 256, i64, ptr nocapture)
declare !callback !0 void @t3_callback_broker(ptr nocapture , ptr nocapture , ptr nocapture, ...)
!0 = !{!1}
!1 = !{i64 2, i64 -1, i64 -1, i1 true}
;.
; TUNIT: attributes #[[ATTR0]] = { nosync }
;.
; CGSCC: attributes #[[ATTR0]] = { nosync }
;.
; TUNIT: [[META0:![0-9]+]] = !{[[META1:![0-9]+]]}
; TUNIT: [[META1]] = !{i64 2, i64 -1, i64 -1, i1 true}
;.
; CGSCC: [[META0:![0-9]+]] = !{[[META1:![0-9]+]]}
; CGSCC: [[META1]] = !{i64 2, i64 -1, i64 -1, i1 true}
;.
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK: {{.*}}
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