llvm-for-llvmta/tools/clang/test/CodeGenCXX/aix-destructor-attribute.cpp

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2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -x c++ -emit-llvm \
// RUN: -fno-use-cxa-atexit < %s | \
// RUN: FileCheck --check-prefix=NO-REGISTER %s
// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -x c++ -emit-llvm \
// RUN: -fno-use-cxa-atexit < %s | \
// RUN: FileCheck --check-prefix=NO-REGISTER %s
// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -x c++ -emit-llvm \
// RUN: -fno-use-cxa-atexit -fregister-global-dtors-with-atexit < %s | \
// RUN: FileCheck --check-prefix=REGISTER %s
// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -x c++ -emit-llvm \
// RUN: -fno-use-cxa-atexit -fregister-global-dtors-with-atexit < %s | \
// RUN: FileCheck --check-prefix=REGISTER %s
struct test {
test();
~test();
} t;
int bar() __attribute__((destructor(100)));
int bar2() __attribute__((destructor(65535)));
int bar3(int) __attribute__((destructor(65535)));
int bar() {
return 1;
}
int bar2() {
return 2;
}
int bar3(int a) {
return a;
}
// NO-REGISTER: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I__, i8* null }]
// NO-REGISTER: @llvm.global_dtors = appending global [4 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 100, void ()* bitcast (i32 ()* @_Z3barv to void ()*), i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* bitcast (i32 ()* @_Z4bar2v to void ()*), i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* bitcast (i32 (i32)* @_Z4bar3i to void ()*), i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__D_a, i8* null }]
// REGISTER: @llvm.global_ctors = appending global [3 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I__, i8* null }, { i32, void ()*, i8* } { i32 100, void ()* @__GLOBAL_init_100, i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* @__GLOBAL_init_65535, i8* null }]
// REGISTER: @llvm.global_dtors = appending global [3 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__D_a, i8* null }, { i32, void ()*, i8* } { i32 100, void ()* @__GLOBAL_cleanup_100, i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* @__GLOBAL_cleanup_65535, i8* null }]
// REGISTER: define internal void @__GLOBAL_init_100() [[ATTR:#[0-9]+]] {
// REGISTER: entry:
// REGISTER: %0 = call i32 @atexit(void ()* bitcast (i32 ()* @_Z3barv to void ()*))
// REGISTER: ret void
// REGISTER: }
// REGISTER: define internal void @__GLOBAL_init_65535() [[ATTR:#[0-9]+]] {
// REGISTER: entry:
// REGISTER: %0 = call i32 @atexit(void ()* bitcast (i32 ()* @_Z4bar2v to void ()*))
// REGISTER: %1 = call i32 @atexit(void ()* bitcast (i32 (i32)* @_Z4bar3i to void ()*))
// REGISTER: ret void
// REGISTER: }
// REGISTER: define internal void @__GLOBAL_cleanup_100() [[ATTR:#[0-9]+]] {
// REGISTER: entry:
// REGISTER: %0 = call i32 @unatexit(void ()* bitcast (i32 ()* @_Z3barv to void ()*))
// REGISTER: %needs_destruct = icmp eq i32 %0, 0
// REGISTER: br i1 %needs_destruct, label %destruct.call, label %destruct.end
// REGISTER: destruct.call:
// REGISTER: call void bitcast (i32 ()* @_Z3barv to void ()*)()
// REGISTER: br label %destruct.end
// REGISTER: destruct.end:
// REGISTER: ret void
// REGISTER: }
// REGISTER: define internal void @__GLOBAL_cleanup_65535() [[ATTR:#[0-9]+]] {
// REGISTER: entry:
// REGISTER: %0 = call i32 @unatexit(void ()* bitcast (i32 (i32)* @_Z4bar3i to void ()*))
// REGISTER: %needs_destruct = icmp eq i32 %0, 0
// REGISTER: br i1 %needs_destruct, label %destruct.call, label %unatexit.call
// REGISTER: destruct.call:
// REGISTER: call void bitcast (i32 (i32)* @_Z4bar3i to void ()*)()
// REGISTER: br label %unatexit.call
// REGISTER: unatexit.call:
// REGISTER: %1 = call i32 @unatexit(void ()* bitcast (i32 ()* @_Z4bar2v to void ()*))
// REGISTER: %needs_destruct1 = icmp eq i32 %1, 0
// REGISTER: br i1 %needs_destruct1, label %destruct.call2, label %destruct.end
// REGISTER: destruct.call2:
// REGISTER: call void bitcast (i32 ()* @_Z4bar2v to void ()*)()
// REGISTER: br label %destruct.end
// REGISTER: destruct.end:
// REGISTER: ret void
// REGISTER: }