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jrtc27
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[NFC][clang] Add test showing getSizeOfUnwindException is wrong for purecap
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‎clang/test/CodeGenCXX/cheri/size-of-unwind-exception.cpp‎

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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 2
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// RUN: %cheri128_purecap_cc1 -fexceptions -fcxx-exceptions -disable-O0-optnone -emit-llvm %s -o - \
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// RUN: | opt -S -passes=mem2reg | FileCheck %s --check-prefix=CHECK-MIPS
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// RUN: %riscv32_cheri_purecap_cc1 -fexceptions -fcxx-exceptions -disable-O0-optnone -emit-llvm %s -o - \
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// RUN: | opt -S -passes=mem2reg | FileCheck %s --check-prefix=CHECK-RV32
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// RUN: %riscv64_cheri_purecap_cc1 -fexceptions -fcxx-exceptions -disable-O0-optnone -emit-llvm %s -o - \
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// RUN: | opt -S -passes=mem2reg | FileCheck %s --check-prefix=CHECK-RV64
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/// Check that we use the correct size for struct _Unwind_Exception
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/// TODO: 64-bit CHERI architectures use the wrong size
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void foo();
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void bar(int *&);
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// CHECK-MIPS-LABEL: define dso_local void @_Z3bazv
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// CHECK-MIPS-SAME: () addrspace(200) #[[ATTR0:[0-9]+]] personality ptr addrspace(200) @__gxx_personality_v0 {
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// CHECK-MIPS-NEXT: entry:
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// CHECK-MIPS-NEXT: invoke void @_Z3foov()
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// CHECK-MIPS-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[LPAD:%.*]]
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// CHECK-MIPS: invoke.cont:
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// CHECK-MIPS-NEXT: br label [[TRY_CONT:%.*]]
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// CHECK-MIPS: lpad:
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// CHECK-MIPS-NEXT: [[TMP0:%.*]] = landingpad { ptr addrspace(200), i32 }
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// CHECK-MIPS-NEXT: catch ptr addrspace(200) @_ZTIPi
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// CHECK-MIPS-NEXT: [[TMP1:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP0]], 0
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// CHECK-MIPS-NEXT: [[TMP2:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP0]], 1
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// CHECK-MIPS-NEXT: br label [[CATCH_DISPATCH:%.*]]
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// CHECK-MIPS: catch.dispatch:
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// CHECK-MIPS-NEXT: [[TMP3:%.*]] = call i32 @llvm.eh.typeid.for(ptr addrspacecast (ptr addrspace(200) @_ZTIPi to ptr)) #[[ATTR3:[0-9]+]]
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// CHECK-MIPS-NEXT: [[MATCHES:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]]
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// CHECK-MIPS-NEXT: br i1 [[MATCHES]], label [[CATCH:%.*]], label [[EH_RESUME:%.*]]
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// CHECK-MIPS: catch:
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// CHECK-MIPS-NEXT: [[TMP4:%.*]] = call ptr addrspace(200) @__cxa_begin_catch(ptr addrspace(200) [[TMP1]]) #[[ATTR3]]
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// CHECK-MIPS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr addrspace(200) [[TMP1]], i32 32
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// CHECK-MIPS-NEXT: invoke void @_Z3barRPi(ptr addrspace(200) noundef nonnull align 16 dereferenceable(16) [[TMP5]])
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// CHECK-MIPS-NEXT: to label [[INVOKE_CONT2:%.*]] unwind label [[LPAD1:%.*]]
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// CHECK-MIPS: invoke.cont2:
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// CHECK-MIPS-NEXT: call void @__cxa_end_catch() #[[ATTR3]]
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// CHECK-MIPS-NEXT: br label [[TRY_CONT]]
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// CHECK-MIPS: try.cont:
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// CHECK-MIPS-NEXT: ret void
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// CHECK-MIPS: lpad1:
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// CHECK-MIPS-NEXT: [[TMP6:%.*]] = landingpad { ptr addrspace(200), i32 }
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// CHECK-MIPS-NEXT: cleanup
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// CHECK-MIPS-NEXT: [[TMP7:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP6]], 0
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// CHECK-MIPS-NEXT: [[TMP8:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP6]], 1
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// CHECK-MIPS-NEXT: call void @__cxa_end_catch() #[[ATTR3]]
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// CHECK-MIPS-NEXT: br label [[EH_RESUME]]
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// CHECK-MIPS: eh.resume:
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// CHECK-MIPS-NEXT: [[EHSELECTOR_SLOT_0:%.*]] = phi i32 [ [[TMP8]], [[LPAD1]] ], [ [[TMP2]], [[CATCH_DISPATCH]] ]
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// CHECK-MIPS-NEXT: [[EXN_SLOT_0:%.*]] = phi ptr addrspace(200) [ [[TMP7]], [[LPAD1]] ], [ [[TMP1]], [[CATCH_DISPATCH]] ]
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// CHECK-MIPS-NEXT: [[LPAD_VAL:%.*]] = insertvalue { ptr addrspace(200), i32 } poison, ptr addrspace(200) [[EXN_SLOT_0]], 0
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// CHECK-MIPS-NEXT: [[LPAD_VAL5:%.*]] = insertvalue { ptr addrspace(200), i32 } [[LPAD_VAL]], i32 [[EHSELECTOR_SLOT_0]], 1
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// CHECK-MIPS-NEXT: resume { ptr addrspace(200), i32 } [[LPAD_VAL5]]
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//
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// CHECK-RV32-LABEL: define dso_local void @_Z3bazv
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// CHECK-RV32-SAME: () addrspace(200) #[[ATTR0:[0-9]+]] personality ptr addrspace(200) @__gxx_personality_v0 {
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// CHECK-RV32-NEXT: entry:
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// CHECK-RV32-NEXT: invoke void @_Z3foov()
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// CHECK-RV32-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[LPAD:%.*]]
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// CHECK-RV32: invoke.cont:
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// CHECK-RV32-NEXT: br label [[TRY_CONT:%.*]]
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// CHECK-RV32: lpad:
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// CHECK-RV32-NEXT: [[TMP0:%.*]] = landingpad { ptr addrspace(200), i32 }
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// CHECK-RV32-NEXT: catch ptr addrspace(200) @_ZTIPi
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// CHECK-RV32-NEXT: [[TMP1:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP0]], 0
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// CHECK-RV32-NEXT: [[TMP2:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP0]], 1
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// CHECK-RV32-NEXT: br label [[CATCH_DISPATCH:%.*]]
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// CHECK-RV32: catch.dispatch:
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// CHECK-RV32-NEXT: [[TMP3:%.*]] = call i32 @llvm.eh.typeid.for(ptr addrspacecast (ptr addrspace(200) @_ZTIPi to ptr)) #[[ATTR3:[0-9]+]]
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// CHECK-RV32-NEXT: [[MATCHES:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]]
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// CHECK-RV32-NEXT: br i1 [[MATCHES]], label [[CATCH:%.*]], label [[EH_RESUME:%.*]]
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// CHECK-RV32: catch:
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// CHECK-RV32-NEXT: [[TMP4:%.*]] = call ptr addrspace(200) @__cxa_begin_catch(ptr addrspace(200) [[TMP1]]) #[[ATTR3]]
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// CHECK-RV32-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr addrspace(200) [[TMP1]], i32 32
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// CHECK-RV32-NEXT: invoke void @_Z3barRPi(ptr addrspace(200) noundef nonnull align 8 dereferenceable(8) [[TMP5]])
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// CHECK-RV32-NEXT: to label [[INVOKE_CONT2:%.*]] unwind label [[LPAD1:%.*]]
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// CHECK-RV32: invoke.cont2:
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// CHECK-RV32-NEXT: call void @__cxa_end_catch() #[[ATTR3]]
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// CHECK-RV32-NEXT: br label [[TRY_CONT]]
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// CHECK-RV32: try.cont:
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// CHECK-RV32-NEXT: ret void
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// CHECK-RV32: lpad1:
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// CHECK-RV32-NEXT: [[TMP6:%.*]] = landingpad { ptr addrspace(200), i32 }
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// CHECK-RV32-NEXT: cleanup
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// CHECK-RV32-NEXT: [[TMP7:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP6]], 0
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// CHECK-RV32-NEXT: [[TMP8:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP6]], 1
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// CHECK-RV32-NEXT: call void @__cxa_end_catch() #[[ATTR3]]
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// CHECK-RV32-NEXT: br label [[EH_RESUME]]
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// CHECK-RV32: eh.resume:
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// CHECK-RV32-NEXT: [[EHSELECTOR_SLOT_0:%.*]] = phi i32 [ [[TMP8]], [[LPAD1]] ], [ [[TMP2]], [[CATCH_DISPATCH]] ]
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// CHECK-RV32-NEXT: [[EXN_SLOT_0:%.*]] = phi ptr addrspace(200) [ [[TMP7]], [[LPAD1]] ], [ [[TMP1]], [[CATCH_DISPATCH]] ]
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// CHECK-RV32-NEXT: [[LPAD_VAL:%.*]] = insertvalue { ptr addrspace(200), i32 } poison, ptr addrspace(200) [[EXN_SLOT_0]], 0
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// CHECK-RV32-NEXT: [[LPAD_VAL5:%.*]] = insertvalue { ptr addrspace(200), i32 } [[LPAD_VAL]], i32 [[EHSELECTOR_SLOT_0]], 1
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// CHECK-RV32-NEXT: resume { ptr addrspace(200), i32 } [[LPAD_VAL5]]
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//
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// CHECK-RV64-LABEL: define dso_local void @_Z3bazv
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// CHECK-RV64-SAME: () addrspace(200) #[[ATTR0:[0-9]+]] personality ptr addrspace(200) @__gxx_personality_v0 {
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// CHECK-RV64-NEXT: entry:
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// CHECK-RV64-NEXT: invoke void @_Z3foov()
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// CHECK-RV64-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[LPAD:%.*]]
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// CHECK-RV64: invoke.cont:
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// CHECK-RV64-NEXT: br label [[TRY_CONT:%.*]]
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// CHECK-RV64: lpad:
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// CHECK-RV64-NEXT: [[TMP0:%.*]] = landingpad { ptr addrspace(200), i32 }
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// CHECK-RV64-NEXT: catch ptr addrspace(200) @_ZTIPi
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// CHECK-RV64-NEXT: [[TMP1:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP0]], 0
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// CHECK-RV64-NEXT: [[TMP2:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP0]], 1
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// CHECK-RV64-NEXT: br label [[CATCH_DISPATCH:%.*]]
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// CHECK-RV64: catch.dispatch:
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// CHECK-RV64-NEXT: [[TMP3:%.*]] = call i32 @llvm.eh.typeid.for(ptr addrspacecast (ptr addrspace(200) @_ZTIPi to ptr)) #[[ATTR3:[0-9]+]]
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// CHECK-RV64-NEXT: [[MATCHES:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]]
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// CHECK-RV64-NEXT: br i1 [[MATCHES]], label [[CATCH:%.*]], label [[EH_RESUME:%.*]]
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// CHECK-RV64: catch:
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// CHECK-RV64-NEXT: [[TMP4:%.*]] = call ptr addrspace(200) @__cxa_begin_catch(ptr addrspace(200) [[TMP1]]) #[[ATTR3]]
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// CHECK-RV64-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr addrspace(200) [[TMP1]], i32 32
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// CHECK-RV64-NEXT: invoke void @_Z3barRPi(ptr addrspace(200) noundef nonnull align 16 dereferenceable(16) [[TMP5]])
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// CHECK-RV64-NEXT: to label [[INVOKE_CONT2:%.*]] unwind label [[LPAD1:%.*]]
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// CHECK-RV64: invoke.cont2:
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// CHECK-RV64-NEXT: call void @__cxa_end_catch() #[[ATTR3]]
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// CHECK-RV64-NEXT: br label [[TRY_CONT]]
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// CHECK-RV64: try.cont:
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// CHECK-RV64-NEXT: ret void
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// CHECK-RV64: lpad1:
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// CHECK-RV64-NEXT: [[TMP6:%.*]] = landingpad { ptr addrspace(200), i32 }
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// CHECK-RV64-NEXT: cleanup
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// CHECK-RV64-NEXT: [[TMP7:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP6]], 0
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// CHECK-RV64-NEXT: [[TMP8:%.*]] = extractvalue { ptr addrspace(200), i32 } [[TMP6]], 1
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// CHECK-RV64-NEXT: call void @__cxa_end_catch() #[[ATTR3]]
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// CHECK-RV64-NEXT: br label [[EH_RESUME]]
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// CHECK-RV64: eh.resume:
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// CHECK-RV64-NEXT: [[EHSELECTOR_SLOT_0:%.*]] = phi i32 [ [[TMP8]], [[LPAD1]] ], [ [[TMP2]], [[CATCH_DISPATCH]] ]
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// CHECK-RV64-NEXT: [[EXN_SLOT_0:%.*]] = phi ptr addrspace(200) [ [[TMP7]], [[LPAD1]] ], [ [[TMP1]], [[CATCH_DISPATCH]] ]
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// CHECK-RV64-NEXT: [[LPAD_VAL:%.*]] = insertvalue { ptr addrspace(200), i32 } poison, ptr addrspace(200) [[EXN_SLOT_0]], 0
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// CHECK-RV64-NEXT: [[LPAD_VAL5:%.*]] = insertvalue { ptr addrspace(200), i32 } [[LPAD_VAL]], i32 [[EHSELECTOR_SLOT_0]], 1
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// CHECK-RV64-NEXT: resume { ptr addrspace(200), i32 } [[LPAD_VAL5]]
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//
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void baz() {
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try {
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foo();
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} catch (int *&p) {
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bar(p);
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}
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}

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