1 ; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
3 ; This test is based on the following code:
25 ; ModuleID = 'cppeh-nested-3.cpp'
26 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
27 target triple = "x86_64-pc-windows-msvc"
29 %rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
31 $"\01??_R0M@8" = comdat any
33 $"\01??_R0H@8" = comdat any
35 @"\01??_7type_info@@6B@" = external constant i8*
36 @"\01??_R0M@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".M\00" }, comdat
37 @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
39 ; CHECK: define void @"\01?test@@YAXXZ"()
41 ; CHECK: %i = alloca i32, align 4
42 ; CHECK: %j = alloca i32, align 4
43 ; CHECK: %f = alloca float, align 4
44 ; CHECK: call void (...) @llvm.localescape(i32* %j, i32* %i, float* %f)
45 ; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
46 ; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
48 ; Function Attrs: uwtable
49 define void @"\01?test@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
51 %exn.slot = alloca i8*
52 %ehselector.slot = alloca i32
53 %i = alloca i32, align 4
54 %j = alloca i32, align 4
55 %f = alloca float, align 4
56 invoke void @"\01?may_throw@@YAXXZ"()
57 to label %invoke.cont unwind label %lpad
59 invoke.cont: ; preds = %entry
62 ; CHECK: [[LPAD_LABEL]]:
63 ; CHECK: landingpad { i8*, i32 }
64 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
65 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
66 ; CHECK: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.2", i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.1")
67 ; CHECK: indirectbr i8* [[RECOVER]], [label %try.cont10, label %try.cont19]
69 lpad: ; preds = %entry
70 %0 = landingpad { i8*, i32 }
71 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
72 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
73 %1 = extractvalue { i8*, i32 } %0, 0
74 store i8* %1, i8** %exn.slot
75 %2 = extractvalue { i8*, i32 } %0, 1
76 store i32 %2, i32* %ehselector.slot
77 br label %catch.dispatch
79 ; CHECK-NOT: catch.dispatch:
80 catch.dispatch: ; preds = %lpad
81 %sel = load i32, i32* %ehselector.slot
82 %3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3
83 %matches = icmp eq i32 %sel, %3
84 br i1 %matches, label %catch, label %catch.dispatch11
87 catch: ; preds = %catch.dispatch
88 %exn = load i8*, i8** %exn.slot
89 %4 = bitcast i32* %i to i8*
90 call void @llvm.eh.begincatch(i8* %exn, i8* %4) #3
91 invoke void @"\01?may_throw@@YAXXZ"()
92 to label %invoke.cont2 unwind label %lpad1
94 ; CHECK-NOT: invoke.cont2:
95 invoke.cont2: ; preds = %catch
99 lpad1: ; preds = %catch
100 %5 = landingpad { i8*, i32 }
101 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
102 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
103 %6 = extractvalue { i8*, i32 } %5, 0
104 store i8* %6, i8** %exn.slot
105 %7 = extractvalue { i8*, i32 } %5, 1
106 store i32 %7, i32* %ehselector.slot
107 br label %catch.dispatch3
109 ; CHECK-NOT: catch.dispatch3:
110 catch.dispatch3: ; preds = %lpad1
111 %sel4 = load i32, i32* %ehselector.slot
112 %8 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3
113 %matches5 = icmp eq i32 %sel4, %8
114 br i1 %matches5, label %catch6, label %catch.dispatch11
117 catch6: ; preds = %catch.dispatch3
118 %exn7 = load i8*, i8** %exn.slot
119 %9 = bitcast i32* %j to i8*
120 call void @llvm.eh.begincatch(i8* %exn7, i8* %9) #3
121 %10 = load i32, i32* %j, align 4
122 store i32 %10, i32* %i, align 4
123 call void @llvm.eh.endcatch() #3
126 ; CHECK-NOT: try.cont:
127 try.cont: ; preds = %catch6, %invoke.cont2
128 %11 = load i32, i32* %i, align 4
129 invoke void @"\01?handle_int@@YAXH@Z"(i32 %11)
130 to label %invoke.cont9 unwind label %lpad8
132 ; CHECK-NOT: invoke.cont9:
133 invoke.cont9: ; preds = %try.cont
134 call void @llvm.eh.endcatch() #3
137 try.cont10: ; preds = %invoke.cont9, %invoke.cont
141 lpad8: ; preds = %try.cont
142 %12 = landingpad { i8*, i32 }
143 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
144 %13 = extractvalue { i8*, i32 } %12, 0
145 store i8* %13, i8** %exn.slot
146 %14 = extractvalue { i8*, i32 } %12, 1
147 store i32 %14, i32* %ehselector.slot
148 call void @llvm.eh.endcatch() #3
149 br label %catch.dispatch11
151 ; CHECK-NOT: catch.dispatch11:
152 catch.dispatch11: ; preds = %lpad8, %catch.dispatch3, %catch.dispatch
153 %sel12 = load i32, i32* %ehselector.slot
154 %15 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)) #3
155 %matches13 = icmp eq i32 %sel12, %15
156 br i1 %matches13, label %catch14, label %eh.resume
158 ; CHECK-NOT: catch14:
159 catch14: ; preds = %catch.dispatch11
160 %exn15 = load i8*, i8** %exn.slot
161 %16 = bitcast float* %f to i8*
162 call void @llvm.eh.begincatch(i8* %exn15, i8* %16) #3
163 %17 = load float, float* %f, align 4
164 call void @"\01?handle_float@@YAXM@Z"(float %17)
165 call void @llvm.eh.endcatch() #3
168 try.cont19: ; preds = %catch14, %try.cont10
169 call void @"\01?done@@YAXXZ"()
172 ; CHECK-NOT: eh.resume:
173 eh.resume: ; preds = %lpad16, %catch.dispatch11
174 %exn20 = load i8*, i8** %exn.slot
175 %sel21 = load i32, i32* %ehselector.slot
176 %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn20, 0
177 %lpad.val22 = insertvalue { i8*, i32 } %lpad.val, i32 %sel21, 1
178 resume { i8*, i32 } %lpad.val22
182 ; CHECK: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*)
184 ; CHECK: [[RECOVER_J:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
185 ; CHECK: [[J_PTR:\%.+]] = bitcast i8* [[RECOVER_J]] to i32*
186 ; CHECK: [[RECOVER_I1:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
187 ; CHECK: [[I_PTR1:\%.+]] = bitcast i8* [[RECOVER_I1]] to i32*
188 ; CHECK: [[TMP3:\%.+]] = load i32, i32* [[J_PTR]], align 4
189 ; CHECK: store i32 [[TMP3]], i32* [[I_PTR1]]
190 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ.catch.2", %invoke.cont2)
193 ; CHECK: define internal i8* @"\01?test@@YAXXZ.catch.1"(i8*, i8*)
195 ; CHECK: [[RECOVER_F:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 2)
196 ; CHECK: [[F_PTR:\%.+]] = bitcast i8* [[RECOVER_F]] to float*
197 ; CHECK: [[TMP2:\%.+]] = load float, float* [[F_PTR]], align 4
198 ; CHECK: call void @"\01?handle_float@@YAXM@Z"(float [[TMP2]])
199 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont19)
202 ; CHECK: define internal i8* @"\01?test@@YAXXZ.catch.2"(i8*, i8*)
204 ; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
205 ; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32*
206 ; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
207 ; CHECK: to label %invoke.cont2 unwind label %[[LPAD1_LABEL:lpad[0-9]*]]
209 ; CHECK: invoke.cont2: ; preds = %[[LPAD1_LABEL]], %entry
210 ; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4
211 ; CHECK: invoke void @"\01?handle_int@@YAXH@Z"(i32 [[TMP1]])
212 ; CHECK: to label %invoke.cont9 unwind label %[[LPAD8_LABEL:lpad[0-9]*]]
214 ; CHECK: [[LPAD1_LABEL]]:{{[ ]+}}; preds = %entry
215 ; CHECK: [[LPAD1_VAL:\%.+]] = landingpad { i8*, i32 }
216 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
217 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
218 ; CHECK: [[RECOVER1:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32 0, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch", i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.1")
219 ; CHECK: indirectbr i8* [[RECOVER1]], [label %invoke.cont2]
221 ; CHECK: invoke.cont9:
222 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont10)
224 ; CHECK: [[LPAD8_LABEL]]:{{[ ]+}}; preds = %invoke.cont2
225 ; CHECK: [[LPAD8_VAL:\%.+]] = landingpad { i8*, i32 }
226 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
227 ; CHECK: [[RECOVER2:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.1")
228 ; CHECK: indirectbr i8* [[RECOVER2]], []
232 declare void @"\01?may_throw@@YAXXZ"() #1
234 declare i32 @__CxxFrameHandler3(...)
236 ; Function Attrs: nounwind readnone
237 declare i32 @llvm.eh.typeid.for(i8*) #2
239 ; Function Attrs: nounwind
240 declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3
242 ; Function Attrs: nounwind
243 declare void @llvm.eh.endcatch() #3
245 declare void @"\01?handle_int@@YAXH@Z"(i32) #1
247 declare void @"\01?handle_float@@YAXM@Z"(float) #1
249 declare void @"\01?done@@YAXXZ"() #1
251 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" }
252 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" }
253 attributes #2 = { nounwind readnone }
254 attributes #3 = { nounwind }
256 !llvm.module.flags = !{!0}
259 !0 = !{i32 1, !"PIC Level", i32 2}
260 !1 = !{!"clang version 3.7.0 (trunk 232069) (llvm/trunk 232070)"}