Author: Roman Lebedev Date: 2022-11-13T02:39:52+03:00 New Revision: 6daa005b90c8122751d04c6eba0fa1259e912cfe
URL: https://github.com/llvm/llvm-project/commit/6daa005b90c8122751d04c6eba0fa1259e912cfe DIFF: https://github.com/llvm/llvm-project/commit/6daa005b90c8122751d04c6eba0fa1259e912cfe.diff LOG: [NFC][Clang] Add some codegen tests for https://github.com/llvm/llvm-project/issues/58798 Added: clang/test/CodeGenCXX/pr58798.cpp Modified: Removed: ################################################################################ diff --git a/clang/test/CodeGenCXX/pr58798.cpp b/clang/test/CodeGenCXX/pr58798.cpp new file mode 100644 index 0000000000000..607b36aa7f69a --- /dev/null +++ b/clang/test/CodeGenCXX/pr58798.cpp @@ -0,0 +1,186 @@ +// 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); +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits