; 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
; TEST 1 - negative.
; void *G;
; void *foo(){
; void *V = malloc(4);
; G = V;
; return V;
; }
@G = external global ptr
;.
; CHECK: @G = external global ptr
; CHECK: @alias_of_p = external global ptr
;.
define ptr @foo() {
; CHECK-LABEL: define {{[^@]+}}@foo() {
; CHECK-NEXT: [[TMP1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: store ptr [[TMP1]], ptr @G, align 8
; CHECK-NEXT: ret ptr [[TMP1]]
;
%1 = tail call noalias ptr @malloc(i64 4)
store ptr %1, ptr @G, align 8
ret ptr %1
}
declare noalias ptr @malloc(i64)
; TEST 2
; call noalias function in return instruction.
define ptr @return_noalias(){
; CHECK-LABEL: define {{[^@]+}}@return_noalias() {
; CHECK-NEXT: [[TMP1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: ret ptr [[TMP1]]
;
%1 = tail call noalias ptr @malloc(i64 4)
ret ptr %1
}
define void @nocapture(ptr %a){
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@nocapture
; CHECK-SAME: (ptr nocapture nofree readnone [[A:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: ret void
;
ret void
}
define ptr @return_noalias_looks_like_capture(){
; CHECK-LABEL: define {{[^@]+}}@return_noalias_looks_like_capture() {
; CHECK-NEXT: [[TMP1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: ret ptr [[TMP1]]
;
%1 = tail call noalias ptr @malloc(i64 4)
call void @nocapture(ptr %1)
ret ptr %1
}
define ptr @return_noalias_casted(){
; CHECK-LABEL: define {{[^@]+}}@return_noalias_casted() {
; CHECK-NEXT: [[TMP1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: ret ptr [[TMP1]]
;
%1 = tail call noalias ptr @malloc(i64 4)
ret ptr %1
}
declare ptr @alias()
; TEST 3
define ptr @call_alias(){
; CHECK-LABEL: define {{[^@]+}}@call_alias() {
; CHECK-NEXT: [[TMP1:%.*]] = tail call ptr @alias()
; CHECK-NEXT: ret ptr [[TMP1]]
;
%1 = tail call ptr @alias()
ret ptr %1
}
; TEST 4
; void *baz();
; void *foo(int a);
;
; void *bar() {
; foo(0);
; return baz();
; }
;
; void *foo(int a) {
; if (a)
; bar();
; return malloc(4);
; }
define ptr @bar() nounwind uwtable {
; TUNIT: Function Attrs: nounwind uwtable
; TUNIT-LABEL: define {{[^@]+}}@bar
; TUNIT-SAME: () #[[ATTR1:[0-9]+]] {
; TUNIT-NEXT: [[TMP1:%.*]] = tail call ptr (...) @baz() #[[ATTR2:[0-9]+]]
; TUNIT-NEXT: ret ptr [[TMP1]]
;
; CGSCC: Function Attrs: nounwind uwtable
; CGSCC-LABEL: define {{[^@]+}}@bar
; CGSCC-SAME: () #[[ATTR1:[0-9]+]] {
; CGSCC-NEXT: [[TMP1:%.*]] = tail call ptr (...) @baz() #[[ATTR3:[0-9]+]]
; CGSCC-NEXT: ret ptr [[TMP1]]
;
%1 = tail call ptr (...) @baz()
ret ptr %1
}
define ptr @foo1(i32 %0) nounwind uwtable {
; TUNIT: Function Attrs: nounwind uwtable
; TUNIT-LABEL: define {{[^@]+}}@foo1
; TUNIT-SAME: (i32 [[TMP0:%.*]]) #[[ATTR1]] {
; TUNIT-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP0]], 0
; TUNIT-NEXT: br i1 [[TMP2]], label [[TMP5:%.*]], label [[TMP3:%.*]]
; TUNIT: 3:
; TUNIT-NEXT: [[TMP4:%.*]] = tail call ptr (...) @baz() #[[ATTR2]]
; TUNIT-NEXT: br label [[TMP5]]
; TUNIT: 5:
; TUNIT-NEXT: [[TMP6:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; TUNIT-NEXT: ret ptr [[TMP6]]
;
; CGSCC: Function Attrs: nounwind uwtable
; CGSCC-LABEL: define {{[^@]+}}@foo1
; CGSCC-SAME: (i32 [[TMP0:%.*]]) #[[ATTR1]] {
; CGSCC-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP0]], 0
; CGSCC-NEXT: br i1 [[TMP2]], label [[TMP5:%.*]], label [[TMP3:%.*]]
; CGSCC: 3:
; CGSCC-NEXT: [[TMP4:%.*]] = tail call ptr (...) @baz() #[[ATTR3]]
; CGSCC-NEXT: br label [[TMP5]]
; CGSCC: 5:
; CGSCC-NEXT: [[TMP6:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CGSCC-NEXT: ret ptr [[TMP6]]
;
%2 = icmp eq i32 %0, 0
br i1 %2, label %5, label %3
3: ; preds = %1
%4 = tail call ptr (...) @baz()
br label %5
5: ; preds = %1, %3
%6 = tail call noalias ptr @malloc(i64 4)
ret ptr %6
}
declare ptr @baz(...) nounwind uwtable
; TEST 5
; Returning global pointer. Should not be noalias.
define ptr @getter() {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@getter
; CHECK-SAME: () #[[ATTR0]] {
; CHECK-NEXT: ret ptr @G
;
ret ptr @G
}
; Returning global pointer. Should not be noalias.
define ptr @calle1(){
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@calle1
; TUNIT-SAME: () #[[ATTR0]] {
; TUNIT-NEXT: ret ptr @G
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@calle1
; CGSCC-SAME: () #[[ATTR2:[0-9]+]] {
; CGSCC-NEXT: [[TMP1:%.*]] = call noundef nonnull align 8 dereferenceable(8) ptr @getter() #[[ATTR12:[0-9]+]]
; CGSCC-NEXT: ret ptr [[TMP1]]
;
%1 = call ptr @getter()
ret ptr %1
}
; TEST 6
declare noalias ptr @strdup(ptr nocapture) nounwind
define ptr @test6() nounwind uwtable ssp {
; TUNIT: Function Attrs: nounwind ssp uwtable
; TUNIT-LABEL: define {{[^@]+}}@test6
; TUNIT-SAME: () #[[ATTR3:[0-9]+]] {
; TUNIT-NEXT: [[X:%.*]] = alloca [2 x i8], align 1
; TUNIT-NEXT: store i8 97, ptr [[X]], align 1
; TUNIT-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds [2 x i8], ptr [[X]], i64 0, i64 1
; TUNIT-NEXT: store i8 0, ptr [[ARRAYIDX1]], align 1
; TUNIT-NEXT: [[CALL:%.*]] = call noalias ptr @strdup(ptr noalias nocapture noundef nonnull dereferenceable(2) [[X]]) #[[ATTR2]]
; TUNIT-NEXT: ret ptr [[CALL]]
;
; CGSCC: Function Attrs: nounwind ssp uwtable
; CGSCC-LABEL: define {{[^@]+}}@test6
; CGSCC-SAME: () #[[ATTR4:[0-9]+]] {
; CGSCC-NEXT: [[X:%.*]] = alloca [2 x i8], align 1
; CGSCC-NEXT: store i8 97, ptr [[X]], align 1
; CGSCC-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds [2 x i8], ptr [[X]], i64 0, i64 1
; CGSCC-NEXT: store i8 0, ptr [[ARRAYIDX1]], align 1
; CGSCC-NEXT: [[CALL:%.*]] = call noalias ptr @strdup(ptr noalias nocapture noundef nonnull dereferenceable(2) [[X]]) #[[ATTR3]]
; CGSCC-NEXT: ret ptr [[CALL]]
;
%x = alloca [2 x i8], align 1
store i8 97, ptr %x, align 1
%arrayidx1 = getelementptr inbounds [2 x i8], ptr %x, i64 0, i64 1
store i8 0, ptr %arrayidx1, align 1
%call = call noalias ptr @strdup(ptr %x) nounwind
ret ptr %call
}
; TEST 7
define ptr @test7() nounwind {
; TUNIT: Function Attrs: nounwind
; TUNIT-LABEL: define {{[^@]+}}@test7
; TUNIT-SAME: () #[[ATTR2]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[A:%.*]] = call noalias ptr @malloc(i64 noundef 4) #[[ATTR2]]
; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp eq ptr [[A]], null
; TUNIT-NEXT: br i1 [[TOBOOL]], label [[RETURN:%.*]], label [[IF_END:%.*]]
; TUNIT: if.end:
; TUNIT-NEXT: store i8 7, ptr [[A]], align 1
; TUNIT-NEXT: br label [[RETURN]]
; TUNIT: return:
; TUNIT-NEXT: [[RETVAL_0:%.*]] = phi ptr [ [[A]], [[IF_END]] ], [ null, [[ENTRY:%.*]] ]
; TUNIT-NEXT: ret ptr [[RETVAL_0]]
;
; CGSCC: Function Attrs: nounwind
; CGSCC-LABEL: define {{[^@]+}}@test7
; CGSCC-SAME: () #[[ATTR3]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[A:%.*]] = call noalias ptr @malloc(i64 noundef 4) #[[ATTR3]]
; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp eq ptr [[A]], null
; CGSCC-NEXT: br i1 [[TOBOOL]], label [[RETURN:%.*]], label [[IF_END:%.*]]
; CGSCC: if.end:
; CGSCC-NEXT: store i8 7, ptr [[A]], align 1
; CGSCC-NEXT: br label [[RETURN]]
; CGSCC: return:
; CGSCC-NEXT: [[RETVAL_0:%.*]] = phi ptr [ [[A]], [[IF_END]] ], [ null, [[ENTRY:%.*]] ]
; CGSCC-NEXT: ret ptr [[RETVAL_0]]
;
entry:
%A = call noalias ptr @malloc(i64 4) nounwind
%tobool = icmp eq ptr %A, null
br i1 %tobool, label %return, label %if.end
if.end:
store i8 7, ptr %A
br label %return
return:
%retval.0 = phi ptr [ %A, %if.end ], [ null, %entry ]
ret ptr %retval.0
}
; TEST 8
define ptr @test8(ptr %0) nounwind uwtable {
; CHECK: Function Attrs: nounwind uwtable
; CHECK-LABEL: define {{[^@]+}}@test8
; CHECK-SAME: (ptr [[TMP0:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT: [[TMP2:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: [[TMP3:%.*]] = icmp ne ptr [[TMP0]], null
; CHECK-NEXT: br i1 [[TMP3]], label [[TMP4:%.*]], label [[TMP5:%.*]]
; CHECK: 4:
; CHECK-NEXT: store i8 10, ptr [[TMP2]], align 1
; CHECK-NEXT: br label [[TMP5]]
; CHECK: 5:
; CHECK-NEXT: ret ptr [[TMP2]]
;
%2 = tail call noalias ptr @malloc(i64 4)
%3 = icmp ne ptr %0, null
br i1 %3, label %4, label %5
4: ; preds = %1
store i8 10, ptr %2
br label %5
5: ; preds = %1, %4
ret ptr %2
}
; TEST 9
; Simple Argument Test
declare void @use_i8(ptr nocapture)
define internal void @test9a(ptr %a, ptr %b) {
; TUNIT: Function Attrs: memory(readwrite, argmem: none)
; TUNIT-LABEL: define {{[^@]+}}@test9a
; TUNIT-SAME: () #[[ATTR4:[0-9]+]] {
; TUNIT-NEXT: call void @use_i8(ptr noundef align 4294967296 null)
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: memory(readwrite, argmem: none)
; CGSCC-LABEL: define {{[^@]+}}@test9a
; CGSCC-SAME: () #[[ATTR5:[0-9]+]] {
; CGSCC-NEXT: call void @use_i8(ptr noundef align 4294967296 null)
; CGSCC-NEXT: ret void
;
call void @use_i8(ptr null)
ret void
}
define internal void @test9b(ptr %a, ptr %b) {
; FIXME: %b should be noalias
; CHECK-LABEL: define {{[^@]+}}@test9b
; CHECK-SAME: (ptr noalias nocapture [[A:%.*]], ptr nocapture [[B:%.*]]) {
; CHECK-NEXT: call void @use_i8(ptr noalias nocapture [[A]])
; CHECK-NEXT: call void @use_i8(ptr nocapture [[B]])
; CHECK-NEXT: ret void
;
call void @use_i8(ptr %a)
call void @use_i8(ptr %b)
ret void
}
define internal void @test9c(ptr %a, ptr %b, ptr %c) {
; CHECK-LABEL: define {{[^@]+}}@test9c
; CHECK-SAME: (ptr noalias nocapture [[A:%.*]], ptr nocapture [[B:%.*]], ptr nocapture [[C:%.*]]) {
; CHECK-NEXT: call void @use_i8(ptr noalias nocapture [[A]])
; CHECK-NEXT: call void @use_i8(ptr nocapture [[B]])
; CHECK-NEXT: call void @use_i8(ptr nocapture [[C]])
; CHECK-NEXT: ret void
;
call void @use_i8(ptr %a)
call void @use_i8(ptr %b)
call void @use_i8(ptr %c)
ret void
}
define void @test9_helper(ptr %a, ptr %b) {
; CHECK-LABEL: define {{[^@]+}}@test9_helper
; CHECK-SAME: (ptr nocapture [[A:%.*]], ptr nocapture [[B:%.*]]) {
; CHECK-NEXT: tail call void @test9a()
; CHECK-NEXT: tail call void @test9a()
; CHECK-NEXT: tail call void @test9b(ptr noalias nocapture [[A]], ptr nocapture [[B]])
; CHECK-NEXT: tail call void @test9b(ptr noalias nocapture [[B]], ptr noalias nocapture [[A]])
; CHECK-NEXT: tail call void @test9c(ptr noalias nocapture [[A]], ptr nocapture [[B]], ptr nocapture [[B]])
; CHECK-NEXT: tail call void @test9c(ptr noalias nocapture [[B]], ptr noalias nocapture [[A]], ptr noalias nocapture [[A]])
; CHECK-NEXT: ret void
;
tail call void @test9a(ptr noalias %a, ptr %b)
tail call void @test9a(ptr noalias %b, ptr noalias %a)
tail call void @test9b(ptr noalias %a, ptr %b)
tail call void @test9b(ptr noalias %b, ptr noalias %a)
tail call void @test9c(ptr noalias %a, ptr %b, ptr %b)
tail call void @test9c(ptr noalias %b, ptr noalias %a, ptr noalias %a)
ret void
}
; TEST 10
; Simple CallSite Test
declare void @test10_helper_1(ptr %a)
define void @test10_helper_2(ptr noalias %a) {
; CHECK-LABEL: define {{[^@]+}}@test10_helper_2
; CHECK-SAME: (ptr noalias [[A:%.*]]) {
; CHECK-NEXT: tail call void @test10_helper_1(ptr [[A]])
; CHECK-NEXT: ret void
;
tail call void @test10_helper_1(ptr %a)
ret void
}
define void @test10(ptr noalias %a) {
; CHECK-LABEL: define {{[^@]+}}@test10
; CHECK-SAME: (ptr noalias [[A:%.*]]) {
; CHECK-NEXT: tail call void @test10_helper_1(ptr [[A]])
; CHECK-NEXT: tail call void @test10_helper_2(ptr [[A]])
; CHECK-NEXT: ret void
;
; FIXME: missing noalias
tail call void @test10_helper_1(ptr %a)
tail call void @test10_helper_2(ptr %a)
ret void
}
; TEST 11
; CallSite Test
declare void @test11_helper(ptr %a, ptr %b)
define void @test11(ptr noalias %a) {
; CHECK-LABEL: define {{[^@]+}}@test11
; CHECK-SAME: (ptr noalias [[A:%.*]]) {
; CHECK-NEXT: tail call void @test11_helper(ptr [[A]], ptr [[A]])
; CHECK-NEXT: ret void
;
tail call void @test11_helper(ptr %a, ptr %a)
ret void
}
; TEST 12
; CallSite Argument
declare void @use_nocapture(ptr nocapture)
declare void @use(ptr)
define void @test12_1() {
; CHECK-LABEL: define {{[^@]+}}@test12_1() {
; CHECK-NEXT: [[A:%.*]] = alloca i8, align 4
; CHECK-NEXT: [[B:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: tail call void @use_nocapture(ptr noalias nocapture noundef nonnull align 4 dereferenceable(1) [[A]])
; CHECK-NEXT: tail call void @use_nocapture(ptr noalias nocapture noundef nonnull align 4 dereferenceable(1) [[A]])
; CHECK-NEXT: tail call void @use_nocapture(ptr noalias nocapture [[B]])
; CHECK-NEXT: tail call void @use_nocapture(ptr noalias nocapture [[B]])
; CHECK-NEXT: ret void
;
%A = alloca i8, align 4
%B = tail call noalias ptr @malloc(i64 4)
tail call void @use_nocapture(ptr %A)
tail call void @use_nocapture(ptr %A)
tail call void @use_nocapture(ptr %B)
tail call void @use_nocapture(ptr %B)
ret void
}
define void @test12_2(){
; CHECK-LABEL: define {{[^@]+}}@test12_2() {
; CHECK-NEXT: [[A:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: tail call void @use_nocapture(ptr nocapture [[A]])
; CHECK-NEXT: tail call void @use_nocapture(ptr nocapture [[A]])
; CHECK-NEXT: tail call void @use(ptr [[A]])
; CHECK-NEXT: tail call void @use_nocapture(ptr nocapture [[A]])
; CHECK-NEXT: ret void
;
; FIXME: This should be @use_nocapture(ptr noalias [[A]])
; FIXME: This should be @use_nocapture(ptr noalias nocapture [[A]])
%A = tail call noalias ptr @malloc(i64 4)
tail call void @use_nocapture(ptr %A)
tail call void @use_nocapture(ptr %A)
tail call void @use(ptr %A)
tail call void @use_nocapture(ptr %A)
ret void
}
declare void @two_args(ptr nocapture , ptr nocapture)
define void @test12_3(){
; CHECK-LABEL: define {{[^@]+}}@test12_3() {
; CHECK-NEXT: [[A:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: tail call void @two_args(ptr nocapture [[A]], ptr nocapture [[A]])
; CHECK-NEXT: ret void
;
%A = tail call noalias ptr @malloc(i64 4)
tail call void @two_args(ptr %A, ptr %A)
ret void
}
define void @test12_4(){
; CHECK-LABEL: define {{[^@]+}}@test12_4() {
; CHECK-NEXT: [[A:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: [[B:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: [[A_1:%.*]] = getelementptr i8, ptr [[A]], i64 1
; CHECK-NEXT: tail call void @two_args(ptr noalias nocapture [[A]], ptr noalias nocapture [[B]])
; CHECK-NEXT: tail call void @two_args(ptr nocapture [[A]], ptr nocapture [[A]])
; CHECK-NEXT: tail call void @two_args(ptr nocapture [[A]], ptr nocapture [[A_1]])
; CHECK-NEXT: tail call void @two_args(ptr noalias nocapture [[A]], ptr noalias nocapture [[B]])
; CHECK-NEXT: ret void
;
%A = tail call noalias ptr @malloc(i64 4)
%B = tail call noalias ptr @malloc(i64 4)
%A_1 = getelementptr i8, ptr %A, i64 1
tail call void @two_args(ptr %A, ptr %B)
tail call void @two_args(ptr %A, ptr %A)
tail call void @two_args(ptr %A, ptr %A_1)
; FIXME: This should be @two_args(ptr noalias nocapture %A, ptr noalias nocapture %B)
tail call void @two_args(ptr %A, ptr %B)
ret void
}
; TEST 13
define void @use_i8_internal(ptr %a) {
; CHECK-LABEL: define {{[^@]+}}@use_i8_internal
; CHECK-SAME: (ptr nocapture [[A:%.*]]) {
; CHECK-NEXT: call void @use_i8(ptr nocapture [[A]])
; CHECK-NEXT: ret void
;
call void @use_i8(ptr %a)
ret void
}
define void @test13_use_noalias(){
; CHECK-LABEL: define {{[^@]+}}@test13_use_noalias() {
; CHECK-NEXT: [[M1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: call void @use_i8_internal(ptr noalias nocapture [[M1]])
; CHECK-NEXT: ret void
;
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@test13_use_noalias()
; IS__CGSCC_OPM-NEXT: [[M1:%.*]] = tail call noalias ptr @malloc(i64 4)
; IS__CGSCC_OPM-NEXT: call void @use_i8_internal(ptr noalias [[M1]])
; IS__CGSCC_OPM-NEXT: ret void
%m1 = tail call noalias ptr @malloc(i64 4)
call void @use_i8_internal(ptr %m1)
ret void
}
define void @test13_use_alias(){
; CHECK-LABEL: define {{[^@]+}}@test13_use_alias() {
; CHECK-NEXT: [[M1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4)
; CHECK-NEXT: call void @use_i8_internal(ptr noalias nocapture [[M1]])
; CHECK-NEXT: call void @use_i8_internal(ptr noalias nocapture [[M1]])
; CHECK-NEXT: ret void
;
%m1 = tail call noalias ptr @malloc(i64 4)
call void @use_i8_internal(ptr %m1)
call void @use_i8_internal(ptr %m1)
ret void
}
; TEST 14 i2p casts
define internal i32 @p2i(ptr %arg) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@p2i
; CHECK-SAME: (ptr noalias nofree readnone [[ARG:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[P2I:%.*]] = ptrtoint ptr [[ARG]] to i32
; CHECK-NEXT: ret i32 [[P2I]]
;
%p2i = ptrtoint ptr %arg to i32
ret i32 %p2i
}
define i32 @i2p(ptr %arg) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read)
; TUNIT-LABEL: define {{[^@]+}}@i2p
; TUNIT-SAME: (ptr nofree readonly [[ARG:%.*]]) #[[ATTR5:[0-9]+]] {
; TUNIT-NEXT: [[C:%.*]] = call i32 @p2i(ptr noalias nofree readnone [[ARG]]) #[[ATTR11:[0-9]+]]
; TUNIT-NEXT: [[I2P:%.*]] = inttoptr i32 [[C]] to ptr
; TUNIT-NEXT: [[CALL:%.*]] = call i32 @ret(ptr nocapture nofree noundef readonly align 4 [[I2P]]) #[[ATTR12:[0-9]+]]
; TUNIT-NEXT: ret i32 [[CALL]]
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(read)
; CGSCC-LABEL: define {{[^@]+}}@i2p
; CGSCC-SAME: (ptr nofree readonly [[ARG:%.*]]) #[[ATTR6:[0-9]+]] {
; CGSCC-NEXT: [[C:%.*]] = call i32 @p2i(ptr noalias nofree readnone [[ARG]]) #[[ATTR12]]
; CGSCC-NEXT: [[I2P:%.*]] = inttoptr i32 [[C]] to ptr
; CGSCC-NEXT: [[CALL:%.*]] = call i32 @ret(ptr nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[I2P]]) #[[ATTR13:[0-9]+]]
; CGSCC-NEXT: ret i32 [[CALL]]
;
%c = call i32 @p2i(ptr %arg)
%i2p = inttoptr i32 %c to ptr
%call = call i32 @ret(ptr %i2p)
ret i32 %call
}
define internal i32 @ret(ptr %arg) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read)
; TUNIT-LABEL: define {{[^@]+}}@ret
; TUNIT-SAME: (ptr nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[ARG:%.*]]) #[[ATTR6:[0-9]+]] {
; TUNIT-NEXT: [[L:%.*]] = load i32, ptr [[ARG]], align 4
; TUNIT-NEXT: ret i32 [[L]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read)
; CGSCC-LABEL: define {{[^@]+}}@ret
; CGSCC-SAME: (ptr nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[ARG:%.*]]) #[[ATTR7:[0-9]+]] {
; CGSCC-NEXT: [[L:%.*]] = load i32, ptr [[ARG]], align 4
; CGSCC-NEXT: ret i32 [[L]]
;
%l = load i32, ptr %arg
ret i32 %l
}
; Test to propagate noalias where value is assumed to be no-capture in all the
; uses possibly executed before this callsite.
; IR referred from musl/src/strtod.c file
%struct._IO_FILE = type { i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, ptr, ptr, i32, i32, i32, i16, i8, i8, i32, i32, ptr, i64, ptr, ptr, ptr, [4 x i8], i64, i64, ptr, ptr, ptr, [4 x i8] }
%struct.__locale_struct = type { [6 x ptr] }
%struct.__locale_map = type opaque
; Function Attrs: nounwind optsize
define internal fastcc double @strtox(ptr %s, ptr %p, i32 %prec) unnamed_addr {
; TUNIT-LABEL: define {{[^@]+}}@strtox
; TUNIT-SAME: (ptr [[S:%.*]]) unnamed_addr {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[F:%.*]] = alloca [[STRUCT__IO_FILE:%.*]], align 8
; TUNIT-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 144, ptr nocapture nofree noundef nonnull align 8 dereferenceable(240) [[F]]) #[[ATTR13:[0-9]+]]
; TUNIT-NEXT: [[CALL:%.*]] = call i32 @sh_fromstring(ptr noundef nonnull align 8 dereferenceable(240) [[F]], ptr [[S]])
; TUNIT-NEXT: call void @__shlim(ptr noundef nonnull align 8 dereferenceable(240) [[F]], i64 noundef 0)
; TUNIT-NEXT: [[CALL1:%.*]] = call double @__floatscan(ptr noundef nonnull align 8 dereferenceable(240) [[F]], i32 noundef 1, i32 noundef 1)
; TUNIT-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 144, ptr nocapture nofree noundef nonnull align 8 dereferenceable(240) [[F]])
; TUNIT-NEXT: ret double [[CALL1]]
;
; CGSCC-LABEL: define {{[^@]+}}@strtox
; CGSCC-SAME: (ptr [[S:%.*]]) unnamed_addr {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[F:%.*]] = alloca [[STRUCT__IO_FILE:%.*]], align 8
; CGSCC-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 144, ptr nocapture nofree noundef nonnull align 8 dereferenceable(240) [[F]]) #[[ATTR14:[0-9]+]]
; CGSCC-NEXT: [[CALL:%.*]] = call i32 @sh_fromstring(ptr noundef nonnull align 8 dereferenceable(240) [[F]], ptr [[S]])
; CGSCC-NEXT: call void @__shlim(ptr noundef nonnull align 8 dereferenceable(240) [[F]], i64 noundef 0)
; CGSCC-NEXT: [[CALL1:%.*]] = call double @__floatscan(ptr noundef nonnull align 8 dereferenceable(240) [[F]], i32 noundef 1, i32 noundef 1)
; CGSCC-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 144, ptr nocapture nofree noundef nonnull align 8 dereferenceable(240) [[F]])
; CGSCC-NEXT: ret double [[CALL1]]
;
entry:
%f = alloca %struct._IO_FILE, align 8
call void @llvm.lifetime.start.p0(i64 144, ptr nonnull %f)
%call = call i32 @sh_fromstring(ptr nonnull %f, ptr %s)
call void @__shlim(ptr nonnull %f, i64 0)
%call1 = call double @__floatscan(ptr nonnull %f, i32 %prec, i32 1)
call void @llvm.lifetime.end.p0(i64 144, ptr nonnull %f)
ret double %call1
}
; Function Attrs: nounwind optsize
define dso_local double @strtod(ptr noalias %s, ptr noalias %p) {
; CHECK-LABEL: define {{[^@]+}}@strtod
; CHECK-SAME: (ptr noalias [[S:%.*]], ptr noalias nocapture nofree readnone [[P:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = tail call fastcc double @strtox(ptr [[S]])
; CHECK-NEXT: ret double [[CALL]]
;
entry:
%call = tail call fastcc double @strtox(ptr %s, ptr %p, i32 1)
ret double %call
}
; Function Attrs: argmemonly nounwind willreturn
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
; Function Attrs: optsize
declare dso_local i32 @sh_fromstring(...) local_unnamed_addr
; Function Attrs: optsize
declare dso_local void @__shlim(ptr, i64) local_unnamed_addr
; Function Attrs: optsize
declare dso_local double @__floatscan(ptr, i32, i32) local_unnamed_addr
; Function Attrs: argmemonly nounwind willreturn
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
; Test 15
; propagate noalias to some callsite arguments that there is no possibly reachable capture before it
@alias_of_p = external global ptr
define void @make_alias(ptr %p) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@make_alias
; TUNIT-SAME: (ptr nofree writeonly [[P:%.*]]) #[[ATTR8:[0-9]+]] {
; TUNIT-NEXT: store ptr [[P]], ptr @alias_of_p, align 8
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@make_alias
; CGSCC-SAME: (ptr nofree writeonly [[P:%.*]]) #[[ATTR9:[0-9]+]] {
; CGSCC-NEXT: store ptr [[P]], ptr @alias_of_p, align 8
; CGSCC-NEXT: ret void
;
store ptr %p, ptr @alias_of_p
ret void
}
define void @only_store(ptr %p) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write)
; TUNIT-LABEL: define {{[^@]+}}@only_store
; TUNIT-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR9:[0-9]+]] {
; TUNIT-NEXT: store i32 0, ptr [[P]], align 4
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write)
; CGSCC-LABEL: define {{[^@]+}}@only_store
; CGSCC-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR10:[0-9]+]] {
; CGSCC-NEXT: store i32 0, ptr [[P]], align 4
; CGSCC-NEXT: ret void
;
store i32 0, ptr %p
ret void
}
define void @test15_caller(ptr noalias %p, i32 %c) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@test15_caller
; TUNIT-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR8]] {
; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0
; TUNIT-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; TUNIT: if.then:
; TUNIT-NEXT: tail call void @only_store(ptr noalias nocapture nofree noundef writeonly align 4 [[P]]) #[[ATTR14:[0-9]+]]
; TUNIT-NEXT: br label [[IF_END]]
; TUNIT: if.end:
; TUNIT-NEXT: tail call void @make_alias(ptr nofree writeonly [[P]]) #[[ATTR14]]
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@test15_caller
; CGSCC-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR11:[0-9]+]] {
; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0
; CGSCC-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; CGSCC: if.then:
; CGSCC-NEXT: tail call void @only_store(ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15:[0-9]+]]
; CGSCC-NEXT: br label [[IF_END]]
; CGSCC: if.end:
; CGSCC-NEXT: tail call void @make_alias(ptr nofree writeonly [[P]]) #[[ATTR15]]
; CGSCC-NEXT: ret void
;
%tobool = icmp eq i32 %c, 0
br i1 %tobool, label %if.end, label %if.then
if.then:
tail call void @only_store(ptr %p)
br label %if.end
if.end:
tail call void @make_alias(ptr %p)
ret void
}
; Test 16
;
; __attribute__((noinline)) static void test16_sub(int * restrict p, int c1, int c2) {
; if (c1) {
; only_store(p);
; make_alias(p);
; }
; if (!c2) {
; only_store(p);
; }
; }
; void test16_caller(int * restrict p, int c) {
; test16_sub(p, c, c);
; }
;
; FIXME: this should be tail @only_store(ptr noalias %p)
; when test16_caller is called, c1 always equals to c2. (Note that linkage is internal)
; Therefore, only one of the two conditions of if statementes will be fulfilled.
define internal void @test16_sub(ptr noalias %p, i32 %c1, i32 %c2) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@test16_sub
; TUNIT-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C1:%.*]], i32 [[C2:%.*]]) #[[ATTR8]] {
; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C1]], 0
; TUNIT-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; TUNIT: if.then:
; TUNIT-NEXT: tail call void @only_store(ptr nocapture nofree noundef writeonly align 4 [[P]]) #[[ATTR14]]
; TUNIT-NEXT: tail call void @make_alias(ptr nofree writeonly align 4 [[P]]) #[[ATTR14]]
; TUNIT-NEXT: br label [[IF_END]]
; TUNIT: if.end:
; TUNIT-NEXT: [[TOBOOL1:%.*]] = icmp eq i32 [[C2]], 0
; TUNIT-NEXT: br i1 [[TOBOOL1]], label [[IF_THEN2:%.*]], label [[IF_END3:%.*]]
; TUNIT: if.then2:
; TUNIT-NEXT: tail call void @only_store(ptr nocapture nofree noundef writeonly align 4 [[P]]) #[[ATTR14]]
; TUNIT-NEXT: br label [[IF_END3]]
; TUNIT: if.end3:
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@test16_sub
; CGSCC-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C1:%.*]], i32 [[C2:%.*]]) #[[ATTR11]] {
; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C1]], 0
; CGSCC-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; CGSCC: if.then:
; CGSCC-NEXT: tail call void @only_store(ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]]
; CGSCC-NEXT: tail call void @make_alias(ptr nofree nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]]
; CGSCC-NEXT: br label [[IF_END]]
; CGSCC: if.end:
; CGSCC-NEXT: [[TOBOOL1:%.*]] = icmp eq i32 [[C2]], 0
; CGSCC-NEXT: br i1 [[TOBOOL1]], label [[IF_THEN2:%.*]], label [[IF_END3:%.*]]
; CGSCC: if.then2:
; CGSCC-NEXT: tail call void @only_store(ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]]
; CGSCC-NEXT: br label [[IF_END3]]
; CGSCC: if.end3:
; CGSCC-NEXT: ret void
;
%tobool = icmp eq i32 %c1, 0
br i1 %tobool, label %if.end, label %if.then
if.then:
tail call void @only_store(ptr %p)
tail call void @make_alias(ptr %p)
br label %if.end
if.end:
%tobool1 = icmp eq i32 %c2, 0
br i1 %tobool1, label %if.then2, label %if.end3
if.then2:
tail call void @only_store(ptr %p)
br label %if.end3
if.end3:
ret void
}
define void @test16_caller(ptr %p, i32 %c) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@test16_caller
; TUNIT-SAME: (ptr nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR8]] {
; TUNIT-NEXT: tail call void @test16_sub(ptr nofree writeonly [[P]], i32 [[C]], i32 [[C]]) #[[ATTR14]]
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@test16_caller
; CGSCC-SAME: (ptr nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR11]] {
; CGSCC-NEXT: tail call void @test16_sub(ptr nofree writeonly [[P]], i32 [[C]], i32 [[C]]) #[[ATTR15]]
; CGSCC-NEXT: ret void
;
tail call void @test16_sub(ptr %p, i32 %c, i32 %c)
ret void
}
; test 17
;
; only_store is not called after make_alias is called.
;
; void test17_caller(int* p, int c) {
; if(c) {
; make_alias(p);
; if(0 == 0) {
; goto l3;
; } else {
; goto l2;
; }
; }
; l2:
; only_store(p);
; l3:
; return;
; }
define void @test17_caller(ptr noalias %p, i32 %c) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@test17_caller
; TUNIT-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR8]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0
; TUNIT-NEXT: br i1 [[TOBOOL]], label [[L1:%.*]], label [[L2:%.*]]
; TUNIT: l1:
; TUNIT-NEXT: tail call void @make_alias(ptr nofree writeonly [[P]]) #[[ATTR14]]
; TUNIT-NEXT: br label [[L3:%.*]]
; TUNIT: l2:
; TUNIT-NEXT: tail call void @only_store(ptr noalias nocapture nofree noundef writeonly align 4 [[P]]) #[[ATTR14]]
; TUNIT-NEXT: br label [[L3]]
; TUNIT: l3:
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@test17_caller
; CGSCC-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR11]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0
; CGSCC-NEXT: br i1 [[TOBOOL]], label [[L1:%.*]], label [[L2:%.*]]
; CGSCC: l1:
; CGSCC-NEXT: tail call void @make_alias(ptr nofree writeonly [[P]]) #[[ATTR15]]
; CGSCC-NEXT: br label [[L3:%.*]]
; CGSCC: l2:
; CGSCC-NEXT: tail call void @only_store(ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]]
; CGSCC-NEXT: br label [[L3]]
; CGSCC: l3:
; CGSCC-NEXT: ret void
;
entry:
%tobool = icmp eq i32 %c, 0
br i1 %tobool, label %l1, label %l2
l1:
tail call void @make_alias(ptr %p)
%tobool2 = icmp eq i32 0, 0
br i1 %tobool2, label %l3, label %l2
l2:
tail call void @only_store(ptr %p)
br label %l3
l3:
ret void
}
; test 18
; void test18_caller(int* p, int c) {
; if(c) {
; make_alias(p);
; noreturn();
; }
; only_store(p);
; return;
; }
define void @noreturn() {
; TUNIT: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@noreturn
; TUNIT-SAME: () #[[ATTR10:[0-9]+]] {
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@noreturn
; CGSCC-SAME: () #[[ATTR2]] {
; CGSCC-NEXT: ret void
;
call void @noreturn()
ret void
}
define void @test18_caller(ptr noalias %p, i32 %c) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@test18_caller
; TUNIT-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR8]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0
; TUNIT-NEXT: br i1 [[TOBOOL]], label [[L1:%.*]], label [[L2:%.*]]
; TUNIT: l1:
; TUNIT-NEXT: tail call void @make_alias(ptr nofree writeonly [[P]]) #[[ATTR14]]
; TUNIT-NEXT: br label [[L2]]
; TUNIT: l2:
; TUNIT-NEXT: tail call void @only_store(ptr nocapture nofree noundef writeonly align 4 [[P]]) #[[ATTR14]]
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@test18_caller
; CGSCC-SAME: (ptr noalias nofree nonnull writeonly align 4 dereferenceable(4) [[P:%.*]], i32 [[C:%.*]]) #[[ATTR11]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0
; CGSCC-NEXT: br i1 [[TOBOOL]], label [[L1:%.*]], label [[L2:%.*]]
; CGSCC: l1:
; CGSCC-NEXT: tail call void @make_alias(ptr nofree nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]]
; CGSCC-NEXT: br label [[L2]]
; CGSCC: l2:
; CGSCC-NEXT: tail call void @only_store(ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]]
; CGSCC-NEXT: ret void
;
entry:
%tobool = icmp eq i32 %c, 0
br i1 %tobool, label %l1, label %l2
l1:
tail call void @make_alias(ptr %p)
tail call void @noreturn()
br label %l2
l2:
tail call void @only_store(ptr %p)
ret void
}
;.
; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
; TUNIT: attributes #[[ATTR1]] = { nounwind uwtable }
; TUNIT: attributes #[[ATTR2]] = { nounwind }
; TUNIT: attributes #[[ATTR3]] = { nounwind ssp uwtable }
; TUNIT: attributes #[[ATTR4]] = { memory(readwrite, argmem: none) }
; TUNIT: attributes #[[ATTR5]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(read) }
; TUNIT: attributes #[[ATTR6]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) }
; TUNIT: attributes #[[ATTR7:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
; TUNIT: attributes #[[ATTR8]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(write) }
; TUNIT: attributes #[[ATTR9]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) }
; TUNIT: attributes #[[ATTR10]] = { mustprogress nofree nosync nounwind willreturn memory(none) }
; TUNIT: attributes #[[ATTR11]] = { nofree nosync nounwind willreturn memory(none) }
; TUNIT: attributes #[[ATTR12]] = { nofree nosync nounwind willreturn memory(read) }
; TUNIT: attributes #[[ATTR13]] = { nofree willreturn memory(readwrite) }
; TUNIT: attributes #[[ATTR14]] = { nofree nosync nounwind willreturn memory(write) }
;.
; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR1]] = { nounwind uwtable }
; CGSCC: attributes #[[ATTR2]] = { mustprogress nofree nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR3]] = { nounwind }
; CGSCC: attributes #[[ATTR4]] = { nounwind ssp uwtable }
; CGSCC: attributes #[[ATTR5]] = { memory(readwrite, argmem: none) }
; CGSCC: attributes #[[ATTR6]] = { mustprogress nofree nosync nounwind willreturn memory(read) }
; CGSCC: attributes #[[ATTR7]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) }
; CGSCC: attributes #[[ATTR8:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
; CGSCC: attributes #[[ATTR9]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(write) }
; CGSCC: attributes #[[ATTR10]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) }
; CGSCC: attributes #[[ATTR11]] = { mustprogress nofree nosync nounwind willreturn memory(write) }
; CGSCC: attributes #[[ATTR12]] = { nofree nosync willreturn }
; CGSCC: attributes #[[ATTR13]] = { nofree willreturn memory(read) }
; CGSCC: attributes #[[ATTR14]] = { nofree willreturn memory(readwrite) }
; CGSCC: attributes #[[ATTR15]] = { nofree nounwind willreturn memory(write) }
;.
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