1 ; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
3 ; This test is based on the following code:
30 ; ModuleID = 'nested-2.cpp'
31 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
32 target triple = "x86_64-pc-windows-msvc"
34 %class.Outer = type { i8 }
35 %class.Inner = type { i8 }
37 @_ZTIf = external constant i8*
38 @_ZTIi = external constant i8*
40 ; The function entry should be rewritten like this.
41 ; CHECK: define void @_Z4testv()
43 ; CHECK: %outer = alloca %class.Outer, align 1
44 ; CHECK: %inner = alloca %class.Inner, align 1
45 ; CHECK: %i = alloca i32, align 4
46 ; CHECK: %f = alloca float, align 4
47 ; CHECK: call void (...) @llvm.frameescape(float* %f, i32* %i, %class.Outer* %outer, %class.Inner* %inner)
48 ; CHECK: invoke void @_ZN5OuterC1Ev(%class.Outer* %outer)
49 ; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
51 ; Function Attrs: uwtable
52 define void @_Z4testv() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
54 %outer = alloca %class.Outer, align 1
55 %exn.slot = alloca i8*
56 %ehselector.slot = alloca i32
57 %inner = alloca %class.Inner, align 1
58 %i = alloca i32, align 4
59 %f = alloca float, align 4
60 invoke void @_ZN5OuterC1Ev(%class.Outer* %outer)
61 to label %invoke.cont unwind label %lpad
64 ; CHECK: invoke void @_ZN5InnerC1Ev(%class.Inner* %inner)
65 ; CHECK: to label %invoke.cont2 unwind label %[[LPAD1_LABEL:lpad[0-9]*]]
67 invoke.cont: ; preds = %entry
68 invoke void @_ZN5InnerC1Ev(%class.Inner* %inner)
69 to label %invoke.cont2 unwind label %lpad1
71 ; CHECK: invoke.cont2:
72 ; CHECK: invoke void @_Z9may_throwv()
73 ; CHECK: to label %invoke.cont4 unwind label %[[LPAD3_LABEL:lpad[0-9]*]]
75 invoke.cont2: ; preds = %invoke.cont
76 invoke void @_Z9may_throwv()
77 to label %invoke.cont4 unwind label %lpad3
79 ; CHECK: invoke.cont4:
80 ; CHECK: invoke void @_ZN5InnerD1Ev(%class.Inner* %inner)
81 ; CHECK: to label %invoke.cont5 unwind label %[[LPAD1_LABEL]]
83 invoke.cont4: ; preds = %invoke.cont2
84 invoke void @_ZN5InnerD1Ev(%class.Inner* %inner)
85 to label %invoke.cont5 unwind label %lpad1
87 ; CHECK: invoke.cont5:
88 ; CHECK: br label %try.cont
90 invoke.cont5: ; preds = %invoke.cont4
93 ; CHECK: [[LPAD_LABEL]]:
94 ; CHECK: landingpad { i8*, i32 }
95 ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIf to i8*)
96 ; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (i8** @_ZTIf to i8*), i32 0, i8* (i8*, i8*)* @_Z4testv.catch)
97 ; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %try.cont19]
99 lpad: ; preds = %try.cont, %entry
100 %tmp = landingpad { i8*, i32 }
101 catch i8* bitcast (i8** @_ZTIf to i8*)
102 %tmp1 = extractvalue { i8*, i32 } %tmp, 0
103 store i8* %tmp1, i8** %exn.slot
104 %tmp2 = extractvalue { i8*, i32 } %tmp, 1
105 store i32 %tmp2, i32* %ehselector.slot
106 br label %catch.dispatch11
108 ; CHECK: [[LPAD1_LABEL]]:
109 ; CHECK: landingpad { i8*, i32 }
110 ; CHECK-NEXT: cleanup
111 ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
112 ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIf to i8*)
113 ; CHECK-NEXT: [[RECOVER1:\%.+]] = call i8* (...) @llvm.eh.actions(
114 ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIi to i8*), i32 1, i8* (i8*, i8*)* @_Z4testv.catch.1,
115 ; CHECK-SAME: i32 0, void (i8*, i8*)* @_Z4testv.cleanup,
116 ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIf to i8*), i32 0, i8* (i8*, i8*)* @_Z4testv.catch)
117 ; CHECK-NEXT: indirectbr i8* [[RECOVER1]], [label %try.cont, label %try.cont19]
119 lpad1: ; preds = %invoke.cont4, %invoke.cont
120 %tmp3 = landingpad { i8*, i32 }
122 catch i8* bitcast (i8** @_ZTIi to i8*)
123 catch i8* bitcast (i8** @_ZTIf to i8*)
124 %tmp4 = extractvalue { i8*, i32 } %tmp3, 0
125 store i8* %tmp4, i8** %exn.slot
126 %tmp5 = extractvalue { i8*, i32 } %tmp3, 1
127 store i32 %tmp5, i32* %ehselector.slot
128 br label %catch.dispatch
130 ; CHECK: [[LPAD3_LABEL]]:
131 ; CHECK: landingpad { i8*, i32 }
132 ; CHECK-NEXT: cleanup
133 ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
134 ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIf to i8*)
135 ; CHECK-NEXT: [[RECOVER3:\%.+]] = call i8* (...) @llvm.eh.actions(
136 ; CHECK-SAME: i32 0, void (i8*, i8*)* @_Z4testv.cleanup.2,
137 ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIi to i8*), i32 1, i8* (i8*, i8*)* @_Z4testv.catch.1,
138 ; CHECK-SAME: i32 0, void (i8*, i8*)* @_Z4testv.cleanup,
139 ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIf to i8*), i32 0, i8* (i8*, i8*)* @_Z4testv.catch)
140 ; CHECK-NEXT: indirectbr i8* [[RECOVER3]], [label %try.cont, label %try.cont19]
142 lpad3: ; preds = %invoke.cont2
143 %tmp6 = landingpad { i8*, i32 }
145 catch i8* bitcast (i8** @_ZTIi to i8*)
146 catch i8* bitcast (i8** @_ZTIf to i8*)
147 %tmp7 = extractvalue { i8*, i32 } %tmp6, 0
148 store i8* %tmp7, i8** %exn.slot
149 %tmp8 = extractvalue { i8*, i32 } %tmp6, 1
150 store i32 %tmp8, i32* %ehselector.slot
151 call void @_ZN5InnerD1Ev(%class.Inner* %inner)
152 br label %catch.dispatch
154 ; CHECK-NOT: catch.dispatch:
156 catch.dispatch: ; preds = %lpad3, %lpad1
157 %sel = load i32, i32* %ehselector.slot
158 %tmp9 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #4
159 %matches = icmp eq i32 %sel, %tmp9
160 br i1 %matches, label %catch, label %ehcleanup
164 catch: ; preds = %catch.dispatch
165 %exn = load i8*, i8** %exn.slot
166 %i.i8 = bitcast i32* %i to i8*
167 call void @llvm.eh.begincatch(i8* %exn, i8* %i.i8) #4
168 %tmp13 = load i32, i32* %i, align 4
169 invoke void @_Z10handle_inti(i32 %tmp13)
170 to label %invoke.cont8 unwind label %lpad7
172 ; CHECK-NOT: invoke.cont8:
174 invoke.cont8: ; preds = %catch
175 call void @llvm.eh.endcatch() #4
179 ; CHECK: invoke void @_ZN5OuterD1Ev(%class.Outer* %outer)
180 ; CHECK: to label %invoke.cont9 unwind label %[[LPAD_LABEL]]
182 try.cont: ; preds = %invoke.cont8, %invoke.cont5
183 invoke void @_ZN5OuterD1Ev(%class.Outer* %outer)
184 to label %invoke.cont9 unwind label %lpad
186 invoke.cont9: ; preds = %try.cont
191 lpad7: ; preds = %catch
192 %tmp14 = landingpad { i8*, i32 }
194 catch i8* bitcast (i8** @_ZTIf to i8*)
195 %tmp15 = extractvalue { i8*, i32 } %tmp14, 0
196 store i8* %tmp15, i8** %exn.slot
197 %tmp16 = extractvalue { i8*, i32 } %tmp14, 1
198 store i32 %tmp16, i32* %ehselector.slot
199 call void @llvm.eh.endcatch() #4
202 ; CHECK-NOT: ehcleanup: ; preds = %lpad7, %catch.dispatch
204 ehcleanup: ; preds = %lpad7, %catch.dispatch
205 call void @_ZN5OuterD1Ev(%class.Outer* %outer)
206 br label %catch.dispatch11
208 ; CHECK-NOT: catch.dispatch11:
210 catch.dispatch11: ; preds = %ehcleanup, %lpad
211 %sel12 = load i32, i32* %ehselector.slot
212 %tmp17 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIf to i8*)) #4
213 %matches13 = icmp eq i32 %sel12, %tmp17
214 br i1 %matches13, label %catch14, label %eh.resume
216 ; CHECK-NOT: catch14:
218 catch14: ; preds = %catch.dispatch11
219 %exn15 = load i8*, i8** %exn.slot
220 %f.i8 = bitcast float* %f to i8*
221 call void @llvm.eh.begincatch(i8* %exn15, i8* %f.i8) #4
222 %tmp21 = load float, float* %f, align 4
223 call void @_Z12handle_floatf(float %tmp21)
224 call void @llvm.eh.endcatch() #4
227 try.cont19: ; preds = %catch14, %invoke.cont9
228 call void @_Z4donev()
231 ; CHECK-NOT: eh.resume:
233 eh.resume: ; preds = %catch.dispatch11
234 %exn20 = load i8*, i8** %exn.slot
235 %sel21 = load i32, i32* %ehselector.slot
236 %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn20, 0
237 %lpad.val22 = insertvalue { i8*, i32 } %lpad.val, i32 %sel21, 1
238 resume { i8*, i32 } %lpad.val22
243 ; This catch handler should be outlined.
244 ; CHECK: define internal i8* @_Z4testv.catch(i8*, i8*)
246 ; CHECK: [[RECOVER_F:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 0)
247 ; CHECK: [[F_PTR:\%.+]] = bitcast i8* [[RECOVER_F]] to float*
248 ; CHECK: [[TMP:\%.+]] = load float, float* [[F_PTR]], align 4
249 ; CHECK: call void @_Z12handle_floatf(float [[TMP]])
250 ; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont19)
253 ; This catch handler should be outlined.
254 ; CHECK: define internal i8* @_Z4testv.catch.1(i8*, i8*)
256 ; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 1)
257 ; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32*
258 ; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4
259 ; CHECK: invoke void @_Z10handle_inti(i32 [[TMP1]])
260 ; CHECK: to label %invoke.cont8 unwind label %[[LPAD7_LABEL:lpad[0-9]*]]
262 ; CHECK: invoke.cont8: ; preds = %entry
263 ; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont)
265 ; CHECK: [[LPAD7_LABEL]]:{{[ ]+}}; preds = %entry
266 ; CHECK: [[LPAD7_VAL:\%.+]] = landingpad { i8*, i32 }
267 ; (FIXME) The nested handler body isn't being populated yet.
270 ; This cleanup handler should be outlined.
271 ; CHECK: define internal void @_Z4testv.cleanup(i8*, i8*)
273 ; CHECK: [[RECOVER_OUTER:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 2)
274 ; CHECK: [[OUTER_PTR:\%.+]] = bitcast i8* [[RECOVER_OUTER]] to %class.Outer*
275 ; CHECK: call void @_ZN5OuterD1Ev(%class.Outer* [[OUTER_PTR]])
279 ; This cleanup handler should be outlined.
280 ; CHECK: define internal void @_Z4testv.cleanup.2(i8*, i8*)
282 ; CHECK: [[RECOVER_INNER:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 3)
283 ; CHECK: [[INNER_PTR:\%.+]] = bitcast i8* [[RECOVER_INNER]] to %class.Inner*
284 ; CHECK: call void @_ZN5InnerD1Ev(%class.Inner* [[INNER_PTR]])
290 declare void @_ZN5OuterC1Ev(%class.Outer*) #1
292 declare i32 @__CxxFrameHandler3(...)
294 declare void @_ZN5InnerC1Ev(%class.Inner*) #1
296 declare void @_Z9may_throwv() #1
298 declare void @_ZN5InnerD1Ev(%class.Inner*) #1
300 declare void @llvm.eh.begincatch(i8*, i8*)
302 ; Function Attrs: nounwind readnone
303 declare i32 @llvm.eh.typeid.for(i8*) #3
305 declare void @_Z10handle_inti(i32) #1
307 declare void @llvm.eh.endcatch()
309 declare void @_ZN5OuterD1Ev(%class.Outer*) #1
311 declare void @_Z12handle_floatf(float) #1
313 declare void @_Z4donev() #1
315 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
316 attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
317 attributes #2 = { noinline noreturn nounwind }
318 attributes #3 = { nounwind readnone }
319 attributes #4 = { nounwind }
320 attributes #5 = { noreturn nounwind }
324 !0 = !{!"clang version 3.7.0 (trunk 226027)"}