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| // 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 }
|