| ; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s |
| |
| ; This test is based on the following code: |
| ; |
| ; void test() |
| ; { |
| ; try { |
| ; may_throw(); |
| ; } catch (int i) { |
| ; handle_int(i); |
| ; } catch (long long ll) { |
| ; handle_long_long(ll); |
| ; } catch (SomeClass &obj) { |
| ; handle_obj(&obj); |
| ; } catch (...) { |
| ; handle_exception(); |
| ; } |
| ; } |
| ; |
| ; The catch handlers were edited to insert 'ret void' after the endcatch call. |
| |
| ; ModuleID = 'catch-with-type.cpp' |
| target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-pc-windows-msvc" |
| |
| %rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] } |
| %eh.HandlerMapEntry = type { i32, i32 } |
| %rtti.TypeDescriptor3 = type { i8**, i8*, [4 x i8] } |
| %rtti.TypeDescriptor15 = type { i8**, i8*, [16 x i8] } |
| %class.SomeClass = type { i8 } |
| |
| $"\01??_R0H@8" = comdat any |
| |
| $"\01??_R0_J@8" = comdat any |
| |
| $"\01??_R0?AVSomeClass@@@8" = comdat any |
| |
| @"\01??_7type_info@@6B@" = external constant i8* |
| @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat |
| @__ImageBase = external constant i8 |
| @llvm.eh.handlermapentry.H = private unnamed_addr constant %eh.HandlerMapEntry { i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section "llvm.metadata" |
| @"\01??_R0_J@8" = linkonce_odr global %rtti.TypeDescriptor3 { i8** @"\01??_7type_info@@6B@", i8* null, [4 x i8] c"._J\00" }, comdat |
| @llvm.eh.handlermapentry._J = private unnamed_addr constant %eh.HandlerMapEntry { i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor3* @"\01??_R0_J@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section "llvm.metadata" |
| @"\01??_R0?AVSomeClass@@@8" = linkonce_odr global %rtti.TypeDescriptor15 { i8** @"\01??_7type_info@@6B@", i8* null, [16 x i8] c".?AVSomeClass@@\00" }, comdat |
| @"llvm.eh.handlermapentry.reference.?AVSomeClass@@" = private unnamed_addr constant %eh.HandlerMapEntry { i32 8, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor15* @"\01??_R0?AVSomeClass@@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section "llvm.metadata" |
| |
| |
| ; CHECK: define void @"\01?test@@YAXXZ"() #0 { |
| ; CHECK: entry: |
| ; CHECK: [[OBJ_PTR:\%.+]] = alloca %class.SomeClass*, align 8 |
| ; CHECK: [[LL_PTR:\%.+]] = alloca i64, align 8 |
| ; CHECK: [[I_PTR:\%.+]] = alloca i32, align 4 |
| ; CHECK: call void (...) @llvm.frameescape(i32* [[I_PTR]], i64* [[LL_PTR]], %class.SomeClass** [[OBJ_PTR]]) |
| ; CHECK: invoke void @"\01?may_throw@@YAXXZ"() |
| ; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]+]] |
| |
| ; Function Attrs: uwtable |
| define void @"\01?test@@YAXXZ"() #0 { |
| entry: |
| %exn.slot = alloca i8* |
| %ehselector.slot = alloca i32 |
| %obj = alloca %class.SomeClass*, align 8 |
| %ll = alloca i64, align 8 |
| %i = alloca i32, align 4 |
| invoke void @"\01?may_throw@@YAXXZ"() |
| to label %invoke.cont unwind label %lpad |
| |
| invoke.cont: ; preds = %entry |
| br label %try.cont |
| |
| ; CHECK: [[LPAD_LABEL]]:{{[ ]+}}; preds = %entry |
| ; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) |
| ; CHECK-NEXT: catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry.H |
| ; CHECK-NEXT: catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry._J |
| ; CHECK-NEXT: catch %eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@" |
| ; CHECK-NEXT: catch i8* null |
| ; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions( |
| ; CHECK-SAME: i32 1, i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry.H to i8*), i32 0, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch", |
| ; CHECK-SAME: i32 1, i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry._J to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch1", |
| ; CHECK-SAME: i32 1, i8* bitcast (%eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@" to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch2", |
| ; CHECK-SAME: i32 1, i8* null, i32 -1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch3") |
| ; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %catch14.split, label %catch10.split, label %catch6.split, label %catch.split] |
| |
| lpad: ; preds = %entry |
| %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) |
| catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry.H |
| catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry._J |
| catch %eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@" |
| catch i8* null |
| %1 = extractvalue { i8*, i32 } %0, 0 |
| store i8* %1, i8** %exn.slot |
| %2 = extractvalue { i8*, i32 } %0, 1 |
| store i32 %2, i32* %ehselector.slot |
| br label %catch.dispatch |
| |
| ; CHECK-NOT: catch.dispatch: |
| catch.dispatch: ; preds = %lpad |
| %sel = load i32, i32* %ehselector.slot |
| %3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry.H to i8*)) #3 |
| %matches = icmp eq i32 %sel, %3 |
| br i1 %matches, label %catch14, label %catch.fallthrough |
| |
| ; CHECK-NOT: catch14: |
| ; CHECK: catch14.split: |
| ; CHECK-NEXT: ret void |
| catch14: ; preds = %catch.dispatch |
| %exn15 = load i8*, i8** %exn.slot |
| %4 = bitcast i32* %i to i8* |
| call void @llvm.eh.begincatch(i8* %exn15, i8* %4) #3 |
| %5 = load i32, i32* %i, align 4 |
| call void @"\01?handle_int@@YAXH@Z"(i32 %5) |
| call void @llvm.eh.endcatch() #3 |
| ret void |
| |
| try.cont: ; preds = %invoke.cont |
| ret void |
| |
| ; CHECK-NOT: catch.fallthrough: |
| catch.fallthrough: ; preds = %catch.dispatch |
| %6 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry._J to i8*)) #3 |
| %matches1 = icmp eq i32 %sel, %6 |
| br i1 %matches1, label %catch10, label %catch.fallthrough2 |
| |
| ; CHECK-NOT: catch10: |
| ; CHECK: catch10.split: |
| ; CHECK-NEXT: ret void |
| catch10: ; preds = %catch.fallthrough |
| %exn11 = load i8*, i8** %exn.slot |
| %7 = bitcast i64* %ll to i8* |
| call void @llvm.eh.begincatch(i8* %exn11, i8* %7) #3 |
| %8 = load i64, i64* %ll, align 8 |
| call void @"\01?handle_long_long@@YAX_J@Z"(i64 %8) |
| call void @llvm.eh.endcatch() #3 |
| ret void |
| |
| ; CHECK-NOT: catch.fallthrough2: |
| catch.fallthrough2: ; preds = %catch.fallthrough |
| %9 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@" to i8*)) #3 |
| %matches3 = icmp eq i32 %sel, %9 |
| br i1 %matches3, label %catch6, label %catch |
| |
| ; CHECK-NOT: catch6: |
| ; CHECK: catch6.split: |
| ; CHECK-NEXT: ret void |
| catch6: ; preds = %catch.fallthrough2 |
| %exn7 = load i8*, i8** %exn.slot |
| %10 = bitcast %class.SomeClass** %obj to i8* |
| call void @llvm.eh.begincatch(i8* %exn7, i8* %10) #3 |
| %11 = load %class.SomeClass*, %class.SomeClass** %obj, align 8 |
| call void @"\01?handle_obj@@YAXPEAVSomeClass@@@Z"(%class.SomeClass* %11) |
| call void @llvm.eh.endcatch() #3 |
| ret void |
| |
| ; CHECK-NOT: catch: |
| ; CHECK: catch.split: |
| ; CHECK-NEXT: ret void |
| catch: ; preds = %catch.fallthrough2 |
| %exn = load i8*, i8** %exn.slot |
| call void @llvm.eh.begincatch(i8* %exn, i8* null) #3 |
| call void @"\01?handle_exception@@YAXXZ"() call void @llvm.eh.endcatch() #3 |
| ret void |
| ; CHECK: } |
| } |
| |
| ; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*) |
| ; CHECK: entry: |
| ; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0) |
| ; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32* |
| ; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4 |
| ; CHECK: call void @"\01?handle_int@@YAXH@Z"(i32 [[TMP1]]) |
| ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %catch14.split) |
| ; CHECK: } |
| |
| ; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch1"(i8*, i8*) |
| ; CHECK: entry: |
| ; CHECK: [[RECOVER_LL:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1) |
| ; CHECK: [[LL_PTR:\%.+]] = bitcast i8* [[RECOVER_LL]] to i64* |
| ; CHECK: [[TMP2:\%.+]] = load i64, i64* [[LL_PTR]], align 8 |
| ; CHECK: call void @"\01?handle_long_long@@YAX_J@Z"(i64 [[TMP2]]) |
| ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %catch10.split) |
| ; CHECK: } |
| |
| ; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch2"(i8*, i8*) |
| ; CHECK: entry: |
| ; CHECK: [[RECOVER_OBJ:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 2) |
| ; CHECK: [[OBJ_PTR:\%.+]] = bitcast i8* [[RECOVER_OBJ]] to %class.SomeClass** |
| ; CHECK: [[TMP3:\%.+]] = load %class.SomeClass*, %class.SomeClass** [[OBJ_PTR]], align 8 |
| ; CHECK: call void @"\01?handle_obj@@YAXPEAVSomeClass@@@Z"(%class.SomeClass* [[TMP3]]) |
| ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %catch6.split) |
| ; CHECK: } |
| |
| ; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch3"(i8*, i8*) |
| ; CHECK: entry: |
| ; CHECK: call void @"\01?handle_exception@@YAXXZ"() |
| ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %catch.split) |
| ; CHECK: } |
| |
| |
| declare void @"\01?may_throw@@YAXXZ"() #1 |
| |
| declare i32 @__CxxFrameHandler3(...) |
| |
| ; Function Attrs: nounwind readnone |
| declare i32 @llvm.eh.typeid.for(i8*) #2 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3 |
| |
| declare void @"\01?handle_exception@@YAXXZ"() #1 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.eh.endcatch() #3 |
| |
| declare void @"\01?handle_obj@@YAXPEAVSomeClass@@@Z"(%class.SomeClass*) #1 |
| |
| declare void @"\01?handle_long_long@@YAX_J@Z"(i64) #1 |
| |
| declare void @"\01?handle_int@@YAXH@Z"(i32) #1 |
| |
| attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #2 = { nounwind readnone } |
| attributes #3 = { nounwind } |
| |
| !llvm.module.flags = !{!0} |
| !llvm.ident = !{!1} |
| |
| !0 = !{i32 1, !"PIC Level", i32 2} |
| !1 = !{!"clang version 3.7.0 (trunk 233155) (llvm/trunk 233153)"} |