| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fblocks -fexceptions -fobjc-exceptions -O2 -disable-llvm-passes -o - %s | FileCheck %s |
| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fblocks -fexceptions -fobjc-exceptions -disable-llvm-passes -o - %s | FileCheck -check-prefix=NO-METADATA %s |
| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fblocks -fexceptions -fobjc-exceptions -O2 -disable-llvm-passes -o - %s -fobjc-arc-exceptions | FileCheck -check-prefix=NO-METADATA %s |
| |
| // The front-end should emit clang.arc.no_objc_arc_exceptions in -fobjc-arc-exceptions |
| // mode when optimization is enabled, and not otherwise. |
| |
| void thrower(void); |
| void not(void) __attribute__((nothrow)); |
| |
| // CHECK-LABEL: define void @test0( |
| // CHECK: call void @thrower(), !clang.arc.no_objc_arc_exceptions ! |
| // CHECK: call void @not() [[NUW:#[0-9]+]], !clang.arc.no_objc_arc_exceptions ! |
| // NO-METADATA-LABEL: define void @test0( |
| // NO-METADATA-NOT: !clang.arc.no_objc_arc_exceptions |
| // NO-METADATA: } |
| void test0(void) { |
| thrower(); |
| not(); |
| } |
| |
| // CHECK-LABEL: define void @test1( |
| // CHECK: call void @thrower(), !clang.arc.no_objc_arc_exceptions ! |
| // CHECK: call void @not() [[NUW]], !clang.arc.no_objc_arc_exceptions ! |
| // NO-METADATA-LABEL: define void @test1( |
| // NO-METADATA-NOT: !clang.arc.no_objc_arc_exceptions |
| // NO-METADATA: } |
| void test1(id x) { |
| id y = x; |
| thrower(); |
| not(); |
| } |
| |
| void NSLog(id, ...); |
| |
| // CHECK-LABEL: define void @test2( |
| // CHECK: invoke void (i8*, ...) @NSLog(i8* bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to i8*), i32* %{{.*}}) |
| // CHECK: to label %{{.*}} unwind label %{{.*}}, !clang.arc.no_objc_arc_exceptions ! |
| // NO-METADATA-LABEL: define void @test2( |
| // NO-METADATA-NOT: !clang.arc.no_objc_arc_exceptions |
| // NO-METADATA: } |
| void test2(void) { |
| @autoreleasepool { |
| __attribute__((__blocks__(byref))) int x; |
| ^{ (void)x; }; |
| NSLog(@"Address of x outside of block: %p", &x); |
| } |
| } |
| |
| // CHECK-LABEL: define void @test3( |
| // CHECK: invoke void %{{.*}}(i8* %{{.*}}) |
| // CHECK: to label %{{.*}} unwind label %{{.*}}, !clang.arc.no_objc_arc_exceptions ! |
| // NO-METADATA-LABEL: define void @test3( |
| // NO-METADATA-NOT: !clang.arc.no_objc_arc_exceptions |
| // NO-METADATA: } |
| void test3(void) { |
| @autoreleasepool { |
| __attribute__((__blocks__(byref))) int x; |
| ^{ |
| NSLog(@"Address of x in non-assigned block: %p", &x); |
| }(); |
| } |
| } |
| |
| // CHECK-LABEL: define void @test4( |
| // CHECK: invoke void %{{.*}}(i8* %{{.*}}) |
| // CHECK: to label %{{.*}} unwind label %{{.*}}, !clang.arc.no_objc_arc_exceptions ! |
| // NO-METADATA-LABEL: define void @test4( |
| // NO-METADATA-NOT: !clang.arc.no_objc_arc_exceptions |
| // NO-METADATA: } |
| void test4(void) { |
| @autoreleasepool { |
| __attribute__((__blocks__(byref))) int x; |
| void (^b)(void) = ^{ |
| NSLog(@"Address of x in assigned block: %p", &x); |
| }; |
| b(); |
| } |
| } |
| |
| // CHECK: attributes [[NUW]] = { nounwind } |