1 ; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
3 ; This test is based on the following code:
11 ; } catch (long long ll) {
12 ; handle_long_long(ll);
13 ; } catch (SomeClass &obj) {
20 ; The catch handlers were edited to insert 'ret void' after the endcatch call.
22 ; ModuleID = 'catch-with-type.cpp'
23 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
24 target triple = "x86_64-pc-windows-msvc"
26 %rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
27 %eh.HandlerMapEntry = type { i32, i32 }
28 %rtti.TypeDescriptor3 = type { i8**, i8*, [4 x i8] }
29 %rtti.TypeDescriptor15 = type { i8**, i8*, [16 x i8] }
30 %class.SomeClass = type { i8 }
32 $"\01??_R0H@8" = comdat any
34 $"\01??_R0_J@8" = comdat any
36 $"\01??_R0?AVSomeClass@@@8" = comdat any
38 @"\01??_7type_info@@6B@" = external constant i8*
39 @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
40 @__ImageBase = external constant i8
41 @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"
42 @"\01??_R0_J@8" = linkonce_odr global %rtti.TypeDescriptor3 { i8** @"\01??_7type_info@@6B@", i8* null, [4 x i8] c"._J\00" }, comdat
43 @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"
44 @"\01??_R0?AVSomeClass@@@8" = linkonce_odr global %rtti.TypeDescriptor15 { i8** @"\01??_7type_info@@6B@", i8* null, [16 x i8] c".?AVSomeClass@@\00" }, comdat
45 @"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"
48 ; CHECK: define void @"\01?test@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
50 ; CHECK: [[OBJ_PTR:\%.+]] = alloca %class.SomeClass*, align 8
51 ; CHECK: [[LL_PTR:\%.+]] = alloca i64, align 8
52 ; CHECK: [[I_PTR:\%.+]] = alloca i32, align 4
53 ; CHECK: call void (...) @llvm.localescape(i32* [[I_PTR]], i64* [[LL_PTR]], %class.SomeClass** [[OBJ_PTR]])
54 ; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
55 ; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
57 ; Function Attrs: uwtable
58 define void @"\01?test@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
60 %exn.slot = alloca i8*
61 %ehselector.slot = alloca i32
62 %obj = alloca %class.SomeClass*, align 8
63 %ll = alloca i64, align 8
64 %i = alloca i32, align 4
65 invoke void @"\01?may_throw@@YAXXZ"()
66 to label %invoke.cont unwind label %lpad
68 invoke.cont: ; preds = %entry
71 ; CHECK: [[LPAD_LABEL]]:{{[ ]+}}; preds = %entry
72 ; CHECK: landingpad { i8*, i32 }
73 ; CHECK-NEXT: catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry.H
74 ; CHECK-NEXT: catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry._J
75 ; CHECK-NEXT: catch %eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@"
76 ; CHECK-NEXT: catch i8* null
77 ; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(
78 ; CHECK-SAME: i32 1, i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry.H to i8*), i32 0, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch",
79 ; CHECK-SAME: i32 1, i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry._J to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.1",
80 ; CHECK-SAME: i32 1, i8* bitcast (%eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@" to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.2",
81 ; CHECK-SAME: i32 1, i8* null, i32 -1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.3")
82 ; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %ret]
84 lpad: ; preds = %entry
85 %0 = landingpad { i8*, i32 }
86 catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry.H
87 catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry._J
88 catch %eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@"
90 %1 = extractvalue { i8*, i32 } %0, 0
91 store i8* %1, i8** %exn.slot
92 %2 = extractvalue { i8*, i32 } %0, 1
93 store i32 %2, i32* %ehselector.slot
94 br label %catch.dispatch
96 ; CHECK-NOT: catch.dispatch:
97 catch.dispatch: ; preds = %lpad
98 %sel = load i32, i32* %ehselector.slot
99 %3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry.H to i8*)) #3
100 %matches = icmp eq i32 %sel, %3
101 br i1 %matches, label %catch14, label %catch.fallthrough
106 ; CHECK-NOT: catch14:
108 ; CHECK-NEXT: ret void
109 catch14: ; preds = %catch.dispatch
110 %exn15 = load i8*, i8** %exn.slot
111 %4 = bitcast i32* %i to i8*
112 call void @llvm.eh.begincatch(i8* %exn15, i8* %4) #3
113 %5 = load i32, i32* %i, align 4
114 call void @"\01?handle_int@@YAXH@Z"(i32 %5)
115 call void @llvm.eh.endcatch() #3
118 try.cont: ; preds = %invoke.cont
121 ; CHECK-NOT: catch.fallthrough:
122 catch.fallthrough: ; preds = %catch.dispatch
123 %6 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry._J to i8*)) #3
124 %matches1 = icmp eq i32 %sel, %6
125 br i1 %matches1, label %catch10, label %catch.fallthrough2
127 ; CHECK-NOT: catch10:
128 catch10: ; preds = %catch.fallthrough
129 %exn11 = load i8*, i8** %exn.slot
130 %7 = bitcast i64* %ll to i8*
131 call void @llvm.eh.begincatch(i8* %exn11, i8* %7) #3
132 %8 = load i64, i64* %ll, align 8
133 call void @"\01?handle_long_long@@YAX_J@Z"(i64 %8)
134 call void @llvm.eh.endcatch() #3
137 ; CHECK-NOT: catch.fallthrough2:
138 catch.fallthrough2: ; preds = %catch.fallthrough
139 %9 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@" to i8*)) #3
140 %matches3 = icmp eq i32 %sel, %9
141 br i1 %matches3, label %catch6, label %catch
144 catch6: ; preds = %catch.fallthrough2
145 %exn7 = load i8*, i8** %exn.slot
146 %10 = bitcast %class.SomeClass** %obj to i8*
147 call void @llvm.eh.begincatch(i8* %exn7, i8* %10) #3
148 %11 = load %class.SomeClass*, %class.SomeClass** %obj, align 8
149 call void @"\01?handle_obj@@YAXPEAVSomeClass@@@Z"(%class.SomeClass* %11)
150 call void @llvm.eh.endcatch() #3
154 catch: ; preds = %catch.fallthrough2
155 %exn = load i8*, i8** %exn.slot
156 call void @llvm.eh.begincatch(i8* %exn, i8* null) #3
157 call void @"\01?handle_exception@@YAXXZ"() call void @llvm.eh.endcatch() #3
162 ; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*)
164 ; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
165 ; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32*
166 ; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4
167 ; CHECK: call void @"\01?handle_int@@YAXH@Z"(i32 [[TMP1]])
168 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %ret)
171 ; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch.1"(i8*, i8*)
173 ; CHECK: [[RECOVER_LL:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
174 ; CHECK: [[LL_PTR:\%.+]] = bitcast i8* [[RECOVER_LL]] to i64*
175 ; CHECK: [[TMP2:\%.+]] = load i64, i64* [[LL_PTR]], align 8
176 ; CHECK: call void @"\01?handle_long_long@@YAX_J@Z"(i64 [[TMP2]])
177 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %ret)
180 ; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch.2"(i8*, i8*)
182 ; CHECK: [[RECOVER_OBJ:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 2)
183 ; CHECK: [[OBJ_PTR:\%.+]] = bitcast i8* [[RECOVER_OBJ]] to %class.SomeClass**
184 ; CHECK: [[TMP3:\%.+]] = load %class.SomeClass*, %class.SomeClass** [[OBJ_PTR]], align 8
185 ; CHECK: call void @"\01?handle_obj@@YAXPEAVSomeClass@@@Z"(%class.SomeClass* [[TMP3]])
186 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %ret)
189 ; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch.3"(i8*, i8*)
191 ; CHECK: call void @"\01?handle_exception@@YAXXZ"()
192 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %ret)
196 declare void @"\01?may_throw@@YAXXZ"() #1
198 declare i32 @__CxxFrameHandler3(...)
200 ; Function Attrs: nounwind readnone
201 declare i32 @llvm.eh.typeid.for(i8*) #2
203 ; Function Attrs: nounwind
204 declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3
206 declare void @"\01?handle_exception@@YAXXZ"() #1
208 ; Function Attrs: nounwind
209 declare void @llvm.eh.endcatch() #3
211 declare void @"\01?handle_obj@@YAXPEAVSomeClass@@@Z"(%class.SomeClass*) #1
213 declare void @"\01?handle_long_long@@YAX_J@Z"(i64) #1
215 declare void @"\01?handle_int@@YAXH@Z"(i32) #1
217 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" }
218 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" }
219 attributes #2 = { nounwind readnone }
220 attributes #3 = { nounwind }
222 !llvm.module.flags = !{!0}
225 !0 = !{i32 1, !"PIC Level", i32 2}
226 !1 = !{!"clang version 3.7.0 (trunk 233155) (llvm/trunk 233153)"}