forked from OSchip/llvm-project
93 lines
3.2 KiB
Plaintext
93 lines
3.2 KiB
Plaintext
// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s -fexceptions -std=c++11 -fblocks -fobjc-arc | FileCheck -check-prefix=ARC %s
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s -fexceptions -std=c++11 -fblocks | FileCheck -check-prefix=MRC %s
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typedef int (^fp)();
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fp f() { auto x = []{ return 3; }; return x; }
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// MRC: @OBJC_METH_VAR_NAME{{.*}} = private global [5 x i8] c"copy\00"
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// MRC: @OBJC_METH_VAR_NAME{{.*}} = private global [12 x i8] c"autorelease\00"
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// MRC-LABEL: define i32 ()* @_Z1fv(
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// MRC-LABEL: define internal i32 ()* @"_ZZ1fvENK3$_0cvU13block_pointerFivEEv"
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// MRC: store i8* bitcast (i8** @_NSConcreteStackBlock to i8*)
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// MRC: store i8* bitcast (i32 (i8*)* @"___ZZ1fvENK3$_0cvU13block_pointerFivEEv_block_invoke" to i8*)
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// MRC: call i32 ()* (i8*, i8*)* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 ()* (i8*, i8*)*)
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// MRC: call i32 ()* (i8*, i8*)* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 ()* (i8*, i8*)*)
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// MRC: ret i32 ()*
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// ARC-LABEL: define i32 ()* @_Z1fv(
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// ARC-LABEL: define internal i32 ()* @"_ZZ1fvENK3$_0cvU13block_pointerFivEEv"
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// ARC: store i8* bitcast (i8** @_NSConcreteStackBlock to i8*)
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// ARC: store i8* bitcast (i32 (i8*)* @"___ZZ1fvENK3$_0cvU13block_pointerFivEEv_block_invoke" to i8*)
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// ARC: call i8* @objc_retainBlock
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// ARC: call i8* @objc_autoreleaseReturnValue
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typedef int (^fp)();
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fp global;
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void f2() { global = []{ return 3; }; }
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// MRC: define void @_Z2f2v() [[NUW:#[0-9]+]] {
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// MRC: store i8* bitcast (i32 (i8*)* @___Z2f2v_block_invoke to i8*),
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// MRC-NOT: call
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// MRC: ret void
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// ("global" contains a dangling pointer after this function runs.)
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// ARC: define void @_Z2f2v() [[NUW:#[0-9]+]] {
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// ARC: store i8* bitcast (i32 (i8*)* @___Z2f2v_block_invoke to i8*),
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// ARC: call i8* @objc_retainBlock
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// ARC: call void @objc_release
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// ARC-LABEL: define internal i32 @___Z2f2v_block_invoke
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// ARC: call i32 @"_ZZ2f2vENK3$_1clEv
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template <class T> void take_lambda(T &&lambda) { lambda(); }
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void take_block(void (^block)()) { block(); }
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// rdar://13800041
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@interface A
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- (void) test;
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@end
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@interface B : A @end
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@implementation B
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- (void) test {
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take_block(^{
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take_lambda([=]{
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take_block(^{
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take_lambda([=] {
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[super test];
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});
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});
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});
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});
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}
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@end
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// Check lines for BlockInLambda test below
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// ARC-LABEL: define internal i32 @___ZZN13BlockInLambda1X1fEvENKUlvE_clEv_block_invoke
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// ARC: [[Y:%.*]] = getelementptr inbounds %"struct.BlockInLambda::X"* {{.*}}, i32 0, i32 1
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// ARC-NEXT: [[YVAL:%.*]] = load i32* [[Y]], align 4
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// ARC-NEXT: ret i32 [[YVAL]]
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typedef int (^fptr)();
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template<typename T> struct StaticMembers {
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static fptr f;
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};
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template<typename T>
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fptr StaticMembers<T>::f = [] { auto f = []{return 5;}; return fptr(f); }();
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template fptr StaticMembers<float>::f;
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// ARC-LABEL: define linkonce_odr i32 ()* @_ZZNK13StaticMembersIfE1fMUlvE_clEvENKUlvE_cvU13block_pointerFivEEv
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namespace BlockInLambda {
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struct X {
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int x,y;
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void f() {
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[this]{return ^{return y;}();}();
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};
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};
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void g(X& x) {
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x.f();
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};
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}
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// ARC: attributes [[NUW]] = { nounwind{{.*}} }
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// MRC: attributes [[NUW]] = { nounwind{{.*}} }
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