06d367c6c6
This reverts commit r285007 and reapply r284990, with a fix for the opencl test that I broke. Original commit message follows: These new builtins support a mechanism for logging OS events, using a printf-like format string to specify the layout of data in a buffer. The _buffer_size version of the builtin can be used to determine the size of the buffer to allocate to hold the data, and then __builtin_os_log_format can write data into that buffer. This implements format checking to report mismatches between the format string and the data arguments. Most of this code was written by Chris Willmore. Differential Revision: https://reviews.llvm.org/D25888 llvm-svn: 285019
40 lines
1.5 KiB
Objective-C
40 lines
1.5 KiB
Objective-C
// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -fobjc-arc -O2 | FileCheck %s
|
|
|
|
// Make sure we emit clang.arc.use before calling objc_release as part of the
|
|
// cleanup. This way we make sure the object will not be released until the
|
|
// end of the full expression.
|
|
|
|
// rdar://problem/24528966
|
|
|
|
@class NSString;
|
|
extern __attribute__((visibility("default"))) NSString *GenString();
|
|
|
|
// Behavior of __builtin_os_log differs between platforms, so only test on X86
|
|
#ifdef __x86_64__
|
|
// CHECK-LABEL: define i8* @test_builtin_os_log
|
|
void *test_builtin_os_log(void *buf) {
|
|
return __builtin_os_log_format(buf, "capabilities: %@", GenString());
|
|
|
|
// CHECK: store i8 2, i8*
|
|
// CHECK: [[NUM_ARGS:%.*]] = getelementptr i8, i8* {{.*}}, i64 1
|
|
// CHECK: store i8 1, i8* [[NUM_ARGS]]
|
|
//
|
|
// CHECK: [[ARG1_DESC:%.*]] = getelementptr i8, i8* {{.*}}, i64 2
|
|
// CHECK: store i8 64, i8* [[ARG1_DESC]]
|
|
// CHECK: [[ARG1_SIZE:%.*]] = getelementptr i8, i8* {{.*}}, i64 3
|
|
// CHECK: store i8 8, i8* [[ARG1_SIZE]]
|
|
// CHECK: [[ARG1:%.*]] = getelementptr i8, i8* {{.*}}, i64 4
|
|
// CHECK: [[ARG1_CAST:%.*]] = bitcast i8* [[ARG1]] to
|
|
|
|
// CHECK: [[STRING:%.*]] = {{.*}} call {{.*}} @GenString()
|
|
// CHECK: [[STRING_CAST:%.*]] = bitcast {{.*}} [[STRING]] to
|
|
// CHECK: call {{.*}} @objc_retainAutoreleasedReturnValue(i8* [[STRING_CAST]])
|
|
// CHECK: store {{.*}} [[STRING]], {{.*}} [[ARG1_CAST]]
|
|
|
|
// CHECK: call void (...) @clang.arc.use({{.*}} [[STRING]])
|
|
// CHECK: call void @objc_release(i8* [[STRING_CAST]])
|
|
// CHECK: ret i8*
|
|
}
|
|
|
|
#endif
|