1 ; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
4 ; This test is based on the following code:
20 ; ModuleID = 'cppeh-nested-1.cpp'
21 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
22 target triple = "x86_64-pc-windows-msvc"
24 %rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
26 $"\01??_R0M@8" = comdat any
28 $"\01??_R0H@8" = comdat any
30 @"\01??_7type_info@@6B@" = external constant i8*
31 @"\01??_R0M@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".M\00" }, comdat
32 @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
34 ; CHECK: define void @"\01?test@@YAXXZ"() #0 {
36 ; CHECK: %i = alloca i32, align 4
37 ; CHECK: %f = alloca float, align 4
38 ; CHECK: call void (...)* @llvm.frameescape(i32* %i, float* %f)
39 ; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
40 ; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
42 ; Function Attrs: uwtable
43 define void @"\01?test@@YAXXZ"() #0 {
45 %exn.slot = alloca i8*
46 %ehselector.slot = alloca i32
47 %i = alloca i32, align 4
48 %f = alloca float, align 4
49 invoke void @"\01?may_throw@@YAXXZ"()
50 to label %invoke.cont unwind label %lpad
52 invoke.cont: ; preds = %entry
55 ; CHECK: [[LPAD_LABEL]]:
56 ; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
57 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
58 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
59 ; CHECK: [[RECOVER:\%.+]] = call i8* (...)* @llvm.eh.actions(i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32* %i, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch" to i8*), i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), float* %f, i8* bitcast (i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch1")
60 ; CHECK: indirectbr i8* [[RECOVER]], [label %try.cont, label %try.cont10]
62 lpad: ; preds = %entry
63 %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
64 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
65 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
66 %1 = extractvalue { i8*, i32 } %0, 0
67 store i8* %1, i8** %exn.slot
68 %2 = extractvalue { i8*, i32 } %0, 1
69 store i32 %2, i32* %ehselector.slot
70 br label %catch.dispatch
72 ; CHECK-NOT: catch.dispatch:
73 catch.dispatch: ; preds = %lpad
74 %sel = load i32, i32* %ehselector.slot
75 %3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3
76 %matches = icmp eq i32 %sel, %3
77 br i1 %matches, label %catch, label %catch.dispatch3
80 catch: ; preds = %catch.dispatch
81 %exn = load i8*, i8** %exn.slot
82 %4 = bitcast i32* %i to i8*
83 call void @llvm.eh.begincatch(i8* %exn, i8* %4) #3
84 %5 = load i32, i32* %i, align 4
85 invoke void @"\01?handle_int@@YAXH@Z"(i32 %5)
86 to label %invoke.cont2 unwind label %lpad1
88 ; CHECK-NOT: invoke.cont2:
89 invoke.cont2: ; preds = %catch
90 call void @llvm.eh.endcatch() #3
93 try.cont: ; preds = %invoke.cont2, %invoke.cont
97 lpad1: ; preds = %catch
98 %6 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
99 catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
100 %7 = extractvalue { i8*, i32 } %6, 0
101 store i8* %7, i8** %exn.slot
102 %8 = extractvalue { i8*, i32 } %6, 1
103 store i32 %8, i32* %ehselector.slot
104 call void @llvm.eh.endcatch() #3
105 br label %catch.dispatch3
107 ; CHECK-NOT: catch.dispatch3:
108 catch.dispatch3: ; preds = %lpad1, %catch.dispatch
109 %sel4 = load i32, i32* %ehselector.slot
110 %9 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)) #3
111 %matches5 = icmp eq i32 %sel4, %9
112 br i1 %matches5, label %catch6, label %eh.resume
115 catch6: ; preds = %catch.dispatch3
116 %exn7 = load i8*, i8** %exn.slot
117 %10 = bitcast float* %f to i8*
118 call void @llvm.eh.begincatch(i8* %exn7, i8* %10) #3
119 %11 = load float, float* %f, align 4
120 call void @"\01?handle_float@@YAXM@Z"(float %11)
121 call void @llvm.eh.endcatch() #3
124 try.cont10: ; preds = %catch6, %try.cont
125 call void @"\01?done@@YAXXZ"()
128 ; CHECK-NOT: eh.resume:
129 eh.resume: ; %catch.dispatch3
130 %exn11 = load i8*, i8** %exn.slot
131 %sel12 = load i32, i32* %ehselector.slot
132 %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn11, 0
133 %lpad.val13 = insertvalue { i8*, i32 } %lpad.val, i32 %sel12, 1
134 resume { i8*, i32 } %lpad.val13
138 ; CHECK: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*) {
140 ; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
141 ; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32*
142 ; ------------================= FAIL here =================------------
143 ; CHECK: [[RECOVER_F:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
144 ; CHECK: [[F_PTR:\%.+]] = bitcast i8* [[RECOVER_F]] to float*
145 ; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4
146 ; CHECK: invoke void @"\01?handle_int@@YAXH@Z"(i32 [[TMP1]])
147 ; CHECK: to label %invoke.cont2 unwind label %[[LPAD1_LABEL:lpad[0-9]*]]
149 ; CHECK: invoke.cont2:
150 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont)
152 ; CHECK: [[LPAD1_LABEL]]:{{[ ]+}}; preds = %entry
153 ; CHECK: [[LPAD1_VAL:\%.+]] = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
154 ; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
155 ; ------------================= FAIL here =================------------
156 ; CHECK: [[RECOVER1:\%.+]] = call i8* (...)* @llvm.eh.actions({ i8*, i32 } [[LPAD1_VAL]], i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), float* [[F_PTR]], i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch1")
157 ; CHECK: indirectbr i8* [[RECOVER1]], []
161 ; CHECK: define internal i8* @"\01?test@@YAXXZ.catch1"(i8*, i8*) {
163 ; CHECK: [[RECOVER_F1:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
164 ; CHECK: [[F_PTR1:\%.+]] = bitcast i8* [[RECOVER_F1]] to float*
165 ; CHECK: [[TMP2:\%.+]] = load float, float* [[F_PTR1]], align 4
166 ; CHECK: call void @"\01?handle_float@@YAXM@Z"(float [[TMP2]])
167 ; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont10)
171 declare void @"\01?may_throw@@YAXXZ"() #1
173 declare i32 @__CxxFrameHandler3(...)
175 ; Function Attrs: nounwind readnone
176 declare i32 @llvm.eh.typeid.for(i8*) #2
178 ; Function Attrs: nounwind
179 declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3
181 declare void @"\01?handle_int@@YAXH@Z"(i32) #1
183 ; Function Attrs: nounwind
184 declare void @llvm.eh.endcatch() #3
186 declare void @"\01?handle_float@@YAXM@Z"(float) #1
188 declare void @"\01?done@@YAXXZ"() #1
190 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" }
191 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" }
192 attributes #2 = { nounwind readnone }
193 attributes #3 = { nounwind }
195 !llvm.module.flags = !{!0}
198 !0 = !{i32 1, !"PIC Level", i32 2}
199 !1 = !{!"clang version 3.7.0 (trunk 232069) (llvm/trunk 232070)"}