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llvm-project/clang/test/CodeGenCXX/pr58798.cpp

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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --check-attributes
// RUN: %clang_cc1 -emit-llvm %s -o - -triple x86_64-linux-gnu -fexceptions -fcxx-exceptions | FileCheck %s
// CHECK: Function Attrs: mustprogress noinline nounwind optnone willreturn memory(read)
// CHECK-LABEL: define {{[^@]+}}@_Z54early_caller_of_callee_with_clang_attr_with_clang_attri
// CHECK-SAME: (i32 noundef [[A:%.*]]) #[[ATTR0:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_Z22callee_with_clang_attri(i32 noundef [[TMP0]]) #[[ATTR3:[0-9]+]]
// CHECK-NEXT: ret i32 [[CALL]]
//
// CHECK: Function Attrs: mustprogress noinline nounwind optnone willreturn memory(read)
// CHECK-LABEL: define {{[^@]+}}@_Z22callee_with_clang_attri
// CHECK-SAME: (i32 noundef [[A:%.*]]) #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0
// CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
// CHECK: if.then:
// CHECK-NEXT: [[EXCEPTION:%.*]] = call ptr @__cxa_allocate_exception(i64 4) #[[ATTR4:[0-9]+]]
// CHECK-NEXT: store i32 42, ptr [[EXCEPTION]], align 16
// CHECK-NEXT: call void @__cxa_throw(ptr [[EXCEPTION]], ptr @_ZTIi, ptr null) #[[ATTR5:[0-9]+]]
// CHECK-NEXT: unreachable
// CHECK: if.end:
// CHECK-NEXT: ret i32 24
//
// CHECK: Function Attrs: mustprogress noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@_Z52early_caller_of_callee_with_clang_attr_with_cxx_attri
// CHECK-SAME: (i32 noundef [[A:%.*]]) #[[ATTR1:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_Z22callee_with_clang_attri(i32 noundef [[TMP0]]) #[[ATTR3]]
// CHECK-NEXT: ret i32 [[CALL]]
//
// CHECK: Function Attrs: mustprogress noinline nounwind optnone willreturn memory(read)
// CHECK-LABEL: define {{[^@]+}}@_Z52early_caller_of_callee_with_cxx_attr_with_clang_attri
// CHECK-SAME: (i32 noundef [[A:%.*]]) #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_Z20callee_with_cxx_attri(i32 noundef [[TMP0]]) #[[ATTR4]]
// CHECK-NEXT: ret i32 [[CALL]]
//
// CHECK: Function Attrs: mustprogress noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@_Z20callee_with_cxx_attri
// CHECK-SAME: (i32 noundef [[A:%.*]]) #[[ATTR1]] personality ptr @__gxx_personality_v0 {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0
// CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
// CHECK: if.then:
// CHECK-NEXT: [[EXCEPTION:%.*]] = call ptr @__cxa_allocate_exception(i64 4) #[[ATTR4]]
// CHECK-NEXT: store i32 42, ptr [[EXCEPTION]], align 16
// CHECK-NEXT: invoke void @__cxa_throw(ptr [[EXCEPTION]], ptr @_ZTIi, ptr null) #[[ATTR5]]
// CHECK-NEXT: to label [[UNREACHABLE:%.*]] unwind label [[TERMINATE_LPAD:%.*]]
// CHECK: if.end:
// CHECK-NEXT: ret i32 24
// CHECK: terminate.lpad:
// CHECK-NEXT: [[TMP1:%.*]] = landingpad { ptr, i32 }
// CHECK-NEXT: catch ptr null
// CHECK-NEXT: [[TMP2:%.*]] = extractvalue { ptr, i32 } [[TMP1]], 0
// CHECK-NEXT: call void @__clang_call_terminate(ptr [[TMP2]]) #[[ATTR6:[0-9]+]]
// CHECK-NEXT: unreachable
// CHECK: unreachable:
// CHECK-NEXT: unreachable
//
// CHECK: Function Attrs: mustprogress noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@_Z50early_caller_of_callee_with_cxx_attr_with_cxx_attri
// CHECK-SAME: (i32 noundef [[A:%.*]]) #[[ATTR1]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_Z20callee_with_cxx_attri(i32 noundef [[TMP0]]) #[[ATTR4]]
// CHECK-NEXT: ret i32 [[CALL]]
//
// Forward declarations:
__attribute__((pure)) int callee_with_clang_attr(int a);
int callee_with_cxx_attr(int a) noexcept;
// Calls to forward declarations:
__attribute__((pure)) int early_caller_of_callee_with_clang_attr_with_clang_attr(int a) {
return callee_with_clang_attr(a);
}
int early_caller_of_callee_with_clang_attr_with_cxx_attr(int a) noexcept {
return callee_with_clang_attr(a);
}
__attribute__((pure)) int early_caller_of_callee_with_cxx_attr_with_clang_attr(int a) {
return callee_with_cxx_attr(a);
}
int early_caller_of_callee_with_cxx_attr_with_cxx_attr(int a) noexcept {
return callee_with_cxx_attr(a);
}
// Definitions:
__attribute__((pure)) int callee_with_clang_attr(int a) {
if(a)
throw int(42);
return 24;
}
int callee_with_cxx_attr(int a) noexcept {
if(a)
throw int(42);
return 24;
}
// Calls to definitions:
// CHECK: Function Attrs: mustprogress noinline nounwind optnone willreturn memory(read)
// CHECK-LABEL: define {{[^@]+}}@_Z53late_caller_of_callee_with_clang_attr_with_clang_attri
// CHECK-SAME: (i32 noundef [[A:%.*]]) #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_Z22callee_with_clang_attri(i32 noundef [[TMP0]]) #[[ATTR3]]
// CHECK-NEXT: ret i32 [[CALL]]
//
__attribute__((pure)) int late_caller_of_callee_with_clang_attr_with_clang_attr(int a) {
return callee_with_clang_attr(a);
}
// CHECK: Function Attrs: mustprogress noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@_Z51late_caller_of_callee_with_clang_attr_with_cxx_attri
// CHECK-SAME: (i32 noundef [[A:%.*]]) #[[ATTR1]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_Z22callee_with_clang_attri(i32 noundef [[TMP0]]) #[[ATTR3]]
// CHECK-NEXT: ret i32 [[CALL]]
//
int late_caller_of_callee_with_clang_attr_with_cxx_attr(int a) noexcept {
return callee_with_clang_attr(a);
}
// CHECK: Function Attrs: mustprogress noinline nounwind optnone willreturn memory(read)
// CHECK-LABEL: define {{[^@]+}}@_Z51late_caller_of_callee_with_cxx_attr_with_clang_attri
// CHECK-SAME: (i32 noundef [[A:%.*]]) #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_Z20callee_with_cxx_attri(i32 noundef [[TMP0]]) #[[ATTR4]]
// CHECK-NEXT: ret i32 [[CALL]]
//
__attribute__((pure)) int late_caller_of_callee_with_cxx_attr_with_clang_attr(int a) {
return callee_with_cxx_attr(a);
}
// CHECK: Function Attrs: mustprogress noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@_Z49late_caller_of_callee_with_cxx_attr_with_cxx_attri
// CHECK-SAME: (i32 noundef [[A:%.*]]) #[[ATTR1]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_Z20callee_with_cxx_attri(i32 noundef [[TMP0]]) #[[ATTR4]]
// CHECK-NEXT: ret i32 [[CALL]]
//
int late_caller_of_callee_with_cxx_attr_with_cxx_attr(int a) noexcept {
return callee_with_cxx_attr(a);
}
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