Files
clang-p2996/clang/test/CodeGenCXX/lambda-expressions.cpp
David Majnemer 17e2633cd6 CodeGen: Compound literals with funny types shouldn't crash
CodeGen assumed that a compound literal with array type should have a
corresponding LLVM IR array type.

We had two bugs in this area:
- Zero sized arrays in compound literals would lead to the creation of
  an opaque type.  This is unnecessary, we should just create an array
  type with a bound of zero.
- Funny record types (like unions) lead to exotic IR types for compound
  literals.  In this case, CodeGen must be prepared to deal with the
  possibility that it might not have an array IR type.

This fixes PR21912.

llvm-svn: 224219
2014-12-14 12:16:43 +00:00

123 lines
3.3 KiB
C++

// 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 = []{};
int a() { return []{ return 1; }(); }
// CHECK-LABEL: define i32 @_Z1av
// CHECK: call i32 @"_ZZ1avENK3$_0clEv"
// CHECK-LABEL: define internal i32 @"_ZZ1avENK3$_0clEv"
// CHECK: ret i32 1
int b(int x) { return [x]{return x;}(); }
// CHECK-LABEL: define i32 @_Z1bi
// CHECK: store i32
// CHECK: load i32*
// CHECK: store i32
// CHECK: call i32 @"_ZZ1biENK3$_1clEv"
// CHECK-LABEL: define internal i32 @"_ZZ1biENK3$_1clEv"
// CHECK: load i32*
// CHECK: ret i32
int c(int x) { return [&x]{return x;}(); }
// CHECK-LABEL: define i32 @_Z1ci
// CHECK: store i32
// CHECK: store i32*
// CHECK: call i32 @"_ZZ1ciENK3$_2clEv"
// CHECK-LABEL: define internal i32 @"_ZZ1ciENK3$_2clEv"
// CHECK: load i32**
// CHECK: load i32*
// CHECK: ret i32
struct D { D(); D(const D&); int x; };
int d(int x) { D y[10]; [x,y] { return y[x].x; }(); }
// CHECK-LABEL: define i32 @_Z1di
// CHECK: call void @_ZN1DC1Ev
// CHECK: icmp ult i64 %{{.*}}, 10
// CHECK: call void @_ZN1DC1ERKS_
// CHECK: call i32 @"_ZZ1diENK3$_3clEv"
// CHECK-LABEL: define internal i32 @"_ZZ1diENK3$_3clEv"
// CHECK: load i32*
// CHECK: load i32*
// CHECK: ret i32
struct E { E(); E(const E&); ~E(); int x; };
int e(E a, E b, bool cond) { [a,b,cond](){ return (cond ? a : b).x; }(); }
// CHECK-LABEL: define i32 @_Z1e1ES_b
// CHECK: call void @_ZN1EC1ERKS_
// CHECK: invoke void @_ZN1EC1ERKS_
// CHECK: invoke i32 @"_ZZ1e1ES_bENK3$_4clEv"
// CHECK: call void @"_ZZ1e1ES_bEN3$_4D1Ev"
// CHECK: call void @"_ZZ1e1ES_bEN3$_4D1Ev"
// CHECK-LABEL: define internal i32 @"_ZZ1e1ES_bENK3$_4clEv"
// CHECK: trunc i8
// CHECK: load i32*
// CHECK: ret i32
void f() {
// CHECK-LABEL: define void @_Z1fv()
// CHECK: @"_ZZ1fvENK3$_5cvPFiiiEEv"
// CHECK-NEXT: store i32 (i32, i32)*
// CHECK-NEXT: ret void
int (*fp)(int, int) = [](int x, int y){ return x + y; };
}
static int k;
int g() {
int &r = k;
// CHECK-LABEL: define internal i32 @"_ZZ1gvENK3$_6clEv"(
// CHECK-NOT: }
// CHECK: load i32* @_ZL1k,
return [] { return r; } ();
};
// PR14773
// CHECK: [[ARRVAL:%[0-9a-zA-Z]*]] = load i32* getelementptr inbounds ([0 x i32]* @_ZZ14staticarrayrefvE5array, i32 0, i64 0), align 4
// CHECK-NEXT: store i32 [[ARRVAL]]
void staticarrayref(){
static int array[] = {};
(void)[](){
int (&xxx)[0] = array;
int y = xxx[0];
}();
}
// CHECK: define internal void @"_ZZ1hvEN3$_88__invokeEv"(%struct.A* noalias sret %agg.result) {{.*}} {
// CHECK-NOT: =
// CHECK: call void @"_ZZ1hvENK3$_8clEv"(%struct.A* sret %agg.result,
// CHECK-NEXT: ret void
struct A { ~A(); };
void h() {
A (*h)() = [] { return A(); };
}
// CHECK-LABEL: define internal i32 @"_ZZ1fvEN3$_58__invokeEii"
// CHECK: store i32
// CHECK-NEXT: store i32
// CHECK-NEXT: load i32*
// CHECK-NEXT: load i32*
// CHECK-NEXT: call i32 @"_ZZ1fvENK3$_5clEii"
// CHECK-NEXT: ret i32
// CHECK-LABEL: define internal void @"_ZZ1e1ES_bEN3$_4D2Ev"
// <rdar://problem/12778708>
struct XXX {};
void nestedCapture () {
XXX localKey;
^() {
[&]() {
^{ XXX k = localKey; };
};
};
}