diff options
Diffstat (limited to 'test/CodeGen/WinEH/cppeh-multi-catch.ll')
-rw-r--r-- | test/CodeGen/WinEH/cppeh-multi-catch.ll | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/test/CodeGen/WinEH/cppeh-multi-catch.ll b/test/CodeGen/WinEH/cppeh-multi-catch.ll new file mode 100644 index 0000000..6052629 --- /dev/null +++ b/test/CodeGen/WinEH/cppeh-multi-catch.ll @@ -0,0 +1,229 @@ +; 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)"} |