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clang-p2996/clang/test/CodeGenCXX/lambda-expressions.cpp
Aaron Ballman 0f1c1be196 [clang] Remove rdar links; NFC 
We have a new policy in place making links to private resources
something we try to avoid in source and test files. Normally, we'd
organically switch to the new policy rather than make a sweeping change
across a project. However, Clang is in a somewhat special circumstance
currently: recently, I've had several new contributors run into rdar
links around test code which their patch was changing the behavior of.
This turns out to be a surprisingly bad experience, especially for
newer folks, for a handful of reasons: not understanding what the link
is and feeling intimidated by it, wondering whether their changes are
actually breaking something important to a downstream in some way,
having to hunt down strangers not involved with the patch to impose on
them for help, accidental pressure from asking for potentially private
IP to be made public, etc. Because folks run into these links entirely
by chance (through fixing bugs or working on new features), there's not
really a set of problematic links to focus on -- all of the links have
basically the same potential for causing these problems. As a result,
this is an omnibus patch to remove all such links.

This was not a mechanical change; it was done by manually searching for
rdar, radar, radr, and other variants to find all the various
problematic links. From there, I tried to retain or reword the
surrounding comments so that we would lose as little context as
possible. However, because most links were just a plain link with no
supporting context, the majority of the changes are simple removals.

Differential Review: https://reviews.llvm.org/D158071
2023-08-28 12:13:42 -04:00

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// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fblocks -emit-llvm -o - %s -fexceptions -std=c++11 | FileCheck %s
// CHECK-NOT: @unused
auto unused = [](int i) { return i+1; };
// CHECK: @used = internal global
auto used = [](int i) { return i+1; };
void *use = &used;
// CHECK: @cvar ={{.*}} global
extern "C" auto cvar = []{};
// CHECK-LABEL: define{{.*}} i32 @_Z9ARBSizeOfi(i32
int ARBSizeOf(int n) {
typedef double(T)[8][n];
using TT = double[8][n];
return [&]() -> int {
typedef double(T1)[8][n];
using TT1 = double[8][n];
return [&n]() -> int {
typedef double(T2)[8][n];
using TT2 = double[8][n];
return sizeof(T) + sizeof(T1) + sizeof(T2) + sizeof(TT) + sizeof(TT1) + sizeof(TT2);
}();
}();
}
// CHECK-LABEL: define internal noundef i32 @"_ZZ9ARBSizeOfiENK3$_0clEv"
int a() { return []{ return 1; }(); }
// CHECK-LABEL: define{{.*}} i32 @_Z1av
// CHECK: call noundef i32 @"_ZZ1avENK3$_0clEv"
// CHECK-LABEL: define internal noundef i32 @"_ZZ1avENK3$_0clEv"
// CHECK: ret i32 1
int b(int x) { return [x]{return x;}(); }
// CHECK-LABEL: define{{.*}} i32 @_Z1bi
// CHECK: store i32
// CHECK: load i32, ptr
// CHECK: store i32
// CHECK: call noundef i32 @"_ZZ1biENK3$_0clEv"
// CHECK-LABEL: define internal noundef i32 @"_ZZ1biENK3$_0clEv"
// CHECK: load i32, ptr
// CHECK: ret i32
int c(int x) { return [&x]{return x;}(); }
// CHECK-LABEL: define{{.*}} i32 @_Z1ci
// CHECK: store i32
// CHECK: store ptr
// CHECK: call noundef i32 @"_ZZ1ciENK3$_0clEv"
// CHECK-LABEL: define internal noundef i32 @"_ZZ1ciENK3$_0clEv"
// CHECK: load ptr, ptr
// CHECK: load i32, ptr
// CHECK: ret i32
struct D { D(); D(const D&); int x; };
int d(int x) { D y[10]; return [x,y] { return y[x].x; }(); }
// CHECK-LABEL: define{{.*}} i32 @_Z1di
// CHECK: call void @_ZN1DC1Ev
// CHECK: br label
// CHECK: call void @_ZN1DC1ERKS_
// CHECK: icmp eq i64 %{{.*}}, 10
// CHECK: br i1
// CHECK: call noundef i32 @"_ZZ1diENK3$_0clEv"
// CHECK-LABEL: define internal noundef i32 @"_ZZ1diENK3$_0clEv"
// CHECK: load i32, ptr
// CHECK: load i32, ptr
// CHECK: ret i32
struct E { E(); E(const E&); ~E(); int x; };
int e(E a, E b, bool cond) { return [a,b,cond](){ return (cond ? a : b).x; }(); }
// CHECK-LABEL: define{{.*}} i32 @_Z1e1ES_b
// CHECK: call void @_ZN1EC1ERKS_
// CHECK: invoke void @_ZN1EC1ERKS_
// CHECK: invoke noundef i32 @"_ZZ1e1ES_bENK3$_0clEv"
// CHECK: call void @"_ZZ1e1ES_bEN3$_0D1Ev"
// CHECK: call void @"_ZZ1e1ES_bEN3$_0D1Ev"
// CHECK-LABEL: define internal noundef i32 @"_ZZ1e1ES_bENK3$_0clEv"
// CHECK: trunc i8
// CHECK: load i32, ptr
// CHECK: ret i32
void f() {
// CHECK-LABEL: define{{.*}} void @_Z1fv()
// CHECK: @"_ZZ1fvENK3$_0cvPFiiiEEv"
// CHECK-NEXT: store ptr
// CHECK-NEXT: ret void
int (*fp)(int, int) = [](int x, int y){ return x + y; };
}
static int k;
int g() {
int &r = k;
// CHECK-LABEL: define internal noundef i32 @"_ZZ1gvENK3$_0clEv"(
// CHECK-NOT: }
// CHECK: load i32, ptr @_ZL1k,
return [] { return r; } ();
};
// PR14773
// CHECK: [[ARRVAL:%[0-9a-zA-Z]*]] = load i32, ptr @_ZZ14staticarrayrefvE5array, align 4
// CHECK-NEXT: store i32 [[ARRVAL]]
void staticarrayref(){
static int array[] = {};
(void)[](){
int (&xxx)[0] = array;
int y = xxx[0];
}();
}
// CHECK-LABEL: define internal noundef ptr @"_ZZ11PR22071_funvENK3$_0clEv"
// CHECK: ret ptr @PR22071_var
int PR22071_var;
int *PR22071_fun() {
constexpr int &y = PR22071_var;
return [&] { return &y; }();
}
namespace pr28595 {
struct Temp {
Temp();
~Temp() noexcept(false);
};
struct A {
A();
A(const A &a, const Temp &temp = Temp());
~A();
};
void after_init() noexcept;
// CHECK-LABEL: define{{.*}} void @_ZN7pr285954testEv()
void test() {
// CHECK: %[[SRC:.*]] = alloca [3 x [5 x %[[A:.*]]]], align 1
A array[3][5];
// Skip over the initialization loop.
// CHECK: call {{.*}}after_init
after_init();
// CHECK: %[[DST_0:.*]] = getelementptr {{.*}} ptr %[[DST:.*]], i64 0, i64 0
// CHECK: br label
// CHECK: %[[I:.*]] = phi i64 [ 0, %{{.*}} ], [ %[[I_NEXT:.*]], {{.*}} ]
// CHECK: %[[DST_I:.*]] = getelementptr {{.*}} ptr %[[DST_0]], i64 %[[I]]
// CHECK: %[[SRC_I:.*]] = getelementptr {{.*}} ptr %[[SRC]], i64 0, i64 %[[I]]
//
// CHECK: %[[DST_I_0:.*]] = getelementptr {{.*}} ptr %[[DST_I]], i64 0, i64 0
// CHECK: br label
// CHECK: %[[J:.*]] = phi i64 [ 0, %{{.*}} ], [ %[[J_NEXT:.*]], {{.*}} ]
// CHECK: %[[DST_I_J:.*]] = getelementptr {{.*}} ptr %[[DST_I_0]], i64 %[[J]]
// CHECK: %[[SRC_I_J:.*]] = getelementptr {{.*}} ptr %[[SRC_I]], i64 0, i64 %[[J]]
//
// CHECK: invoke void @_ZN7pr285954TempC1Ev
// CHECK: invoke void @_ZN7pr285951AC1ERKS0_RKNS_4TempE
// CHECK: invoke void @_ZN7pr285954TempD1Ev
//
// CHECK: add nuw i64 %[[J]], 1
// CHECK: icmp eq
// CHECK: br i1
//
// CHECK: add nuw i64 %[[I]], 1
// CHECK: icmp eq
// CHECK: br i1
//
// CHECK: ret void
//
// CHECK: landingpad
// CHECK: landingpad
// CHECK: br label %[[CLEANUP:.*]]{{$}}
// CHECK: landingpad
// CHECK: invoke void @_ZN7pr285954TempD1Ev
// CHECK: br label %[[CLEANUP]]
//
// CHECK: [[CLEANUP]]:
// CHECK: icmp eq ptr %[[DST_0]], %[[DST_I_J]]
// CHECK: %[[T0:.*]] = phi ptr
// CHECK: %[[T1:.*]] = getelementptr inbounds %[[A]], ptr %[[T0]], i64 -1
// CHECK: call void @_ZN7pr285951AD1Ev(ptr {{[^,]*}} %[[T1]])
// CHECK: icmp eq ptr %[[T1]], %[[DST_0]]
(void) [array]{};
}
}
// CHECK-LABEL: define internal void @"_ZZ1e1ES_bEN3$_0D2Ev"
// CHECK-LABEL: define internal noundef i32 @"_ZZ1fvEN3$_08__invokeEii"
// CHECK: store i32
// CHECK-NEXT: store i32
// CHECK-NEXT: load i32, ptr
// CHECK-NEXT: load i32, ptr
// CHECK-NEXT: call noundef i32 @"_ZZ1fvENK3$_0clEii"
// CHECK-NEXT: ret i32
// CHECK-LABEL: define internal void @"_ZZ1hvEN3$_08__invokeEv"(ptr noalias sret(%struct.A) align 1 %agg.result) {{.*}} {
// CHECK: call void @"_ZZ1hvENK3$_0clEv"(ptr sret(%struct.A) align 1 %agg.result,
// CHECK-NEXT: ret void
struct A { ~A(); };
void h() {
A (*h)() = [] { return A(); };
}
struct XXX {};
void nestedCapture () {
XXX localKey;
^() {
[&]() {
^{ XXX k = localKey; };
};
};
}
// Ensure we don't assert here.
struct CaptureArrayAndThis {
CaptureArrayAndThis() {
char array[] = "floop";
[array, this] {};
}
} capture_array_and_this;
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