1 ; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
3 ; This test is based on the following code:
19 ; ModuleID = 'cppeh-nested-1.cpp'
20 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
21 target triple = "x86_64-pc-windows-msvc"
23 %rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
25 $"\01??_R0M@8" = comdat any
27 $"\01??_R0H@8" = comdat any
29 @"\01??_7type_info@@6B@" = external constant i8*
30 @"\01??_R0M@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".M\00" }, comdat
31 @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
33 ; CHECK: define void @"\01?test@@YAXXZ"()
35 ; CHECK: %i = alloca i32, align 4
36 ; CHECK: %f = alloca float, align 4
37 ; CHECK: call void (...) @llvm.localescape(float* %f, i32* %i)
38 ; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
39 ; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
41 ; Function Attrs: uwtable
42 define void @"\01?test@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
44 %exn.slot = alloca i8*
45 %ehselector.slot = alloca i32
46 %i = alloca i32, align 4
47 %f = alloca float, align 4
48 invoke void @"\01?may_throw@@YAXXZ"()
49 to label %invoke.cont unwind label %lpad
51 invoke.cont: ; preds = %entry
54 ; CHECK: [[LPAD_LABEL]]:
55 ; CHECK: landingpad { i8*, i32 }
56 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
57 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
58 ; 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.1", i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), i32 0, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch")
59 ; CHECK: indirectbr i8* [[RECOVER]], [label %try.cont, label %try.cont10]
61 lpad: ; preds = %entry
62 %0 = landingpad { i8*, i32 }
63 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
64 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
65 %1 = extractvalue { i8*, i32 } %0, 0
66 store i8* %1, i8** %exn.slot
67 %2 = extractvalue { i8*, i32 } %0, 1
68 store i32 %2, i32* %ehselector.slot
69 br label %catch.dispatch
71 ; CHECK-NOT: catch.dispatch:
72 catch.dispatch: ; preds = %lpad
73 %sel = load i32, i32* %ehselector.slot
74 %3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3
75 %matches = icmp eq i32 %sel, %3
76 br i1 %matches, label %catch, label %catch.dispatch3
79 catch: ; preds = %catch.dispatch
80 %exn = load i8*, i8** %exn.slot
81 %4 = bitcast i32* %i to i8*
82 call void @llvm.eh.begincatch(i8* %exn, i8* %4) #3
83 %5 = load i32, i32* %i, align 4
84 invoke void @"\01?handle_int@@YAXH@Z"(i32 %5)
85 to label %invoke.cont2 unwind label %lpad1
87 ; CHECK-NOT: invoke.cont2:
88 invoke.cont2: ; preds = %catch
89 call void @llvm.eh.endcatch() #3
92 try.cont: ; preds = %invoke.cont2, %invoke.cont
96 lpad1: ; preds = %catch
97 %6 = landingpad { i8*, i32 }
98 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
99 %7 = extractvalue { i8*, i32 } %6, 0
100 store i8* %7, i8** %exn.slot
101 %8 = extractvalue { i8*, i32 } %6, 1
102 store i32 %8, i32* %ehselector.slot
103 call void @llvm.eh.endcatch() #3
104 br label %catch.dispatch3
106 ; CHECK-NOT: catch.dispatch3:
107 catch.dispatch3: ; preds = %lpad1, %catch.dispatch
108 %sel4 = load i32, i32* %ehselector.slot
109 %9 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)) #3
110 %matches5 = icmp eq i32 %sel4, %9
111 br i1 %matches5, label %catch6, label %eh.resume
114 catch6: ; preds = %catch.dispatch3
115 %exn7 = load i8*, i8** %exn.slot
116 %10 = bitcast float* %f to i8*
117 call void @llvm.eh.begincatch(i8* %exn7, i8* %10) #3
118 %11 = load float, float* %f, align 4
119 call void @"\01?handle_float@@YAXM@Z"(float %11)
120 call void @llvm.eh.endcatch() #3
123 try.cont10: ; preds = %catch6, %try.cont
124 call void @"\01?done@@YAXXZ"()
127 ; CHECK-NOT: eh.resume:
128 eh.resume: ; %catch.dispatch3
129 %exn11 = load i8*, i8** %exn.slot
130 %sel12 = load i32, i32* %ehselector.slot
131 %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn11, 0
132 %lpad.val13 = insertvalue { i8*, i32 } %lpad.val, i32 %sel12, 1
133 resume { i8*, i32 } %lpad.val13
137 ; CHECK: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*)
139 ; CHECK: [[RECOVER_F1:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
140 ; CHECK: [[F_PTR1:\%.+]] = bitcast i8* [[RECOVER_F1]] to float*
141 ; CHECK: [[TMP2:\%.+]] = load float, float* [[F_PTR1]], align 4
142 ; CHECK: call void @"\01?handle_float@@YAXM@Z"(float [[TMP2]])
143 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont10)
146 ; CHECK: define internal i8* @"\01?test@@YAXXZ.catch.1"(i8*, i8*)
148 ; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
149 ; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32*
150 ; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4
151 ; CHECK: invoke void @"\01?handle_int@@YAXH@Z"(i32 [[TMP1]])
152 ; CHECK: to label %invoke.cont2 unwind label %[[LPAD1_LABEL:lpad[0-9]*]]
154 ; CHECK: invoke.cont2:
155 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont)
157 ; CHECK: [[LPAD1_LABEL]]:{{[ ]+}}; preds = %entry
158 ; CHECK: [[LPAD1_VAL:\%.+]] = landingpad { i8*, i32 }
159 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
160 ; CHECK: [[RECOVER1:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), i32 0, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch")
161 ; CHECK: indirectbr i8* [[RECOVER1]], []
166 declare void @"\01?may_throw@@YAXXZ"() #1
168 declare i32 @__CxxFrameHandler3(...)
170 ; Function Attrs: nounwind readnone
171 declare i32 @llvm.eh.typeid.for(i8*) #2
173 ; Function Attrs: nounwind
174 declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3
176 declare void @"\01?handle_int@@YAXH@Z"(i32) #1
178 ; Function Attrs: nounwind
179 declare void @llvm.eh.endcatch() #3
181 declare void @"\01?handle_float@@YAXM@Z"(float) #1
183 declare void @"\01?done@@YAXXZ"() #1
185 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" }
186 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" }
187 attributes #2 = { nounwind readnone }
188 attributes #3 = { nounwind }
190 !llvm.module.flags = !{!0}
193 !0 = !{i32 1, !"PIC Level", i32 2}
194 !1 = !{!"clang version 3.7.0 (trunk 232069) (llvm/trunk 232070)"}