1 ; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
3 ; This test was generated from the following source:
17 ; ModuleID = 'min-unwind.cpp'
18 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
19 target triple = "x86_64-pc-windows-msvc"
21 %class.SomeClass = type { [28 x i32] }
23 ; The function entry should be rewritten like this.
24 ; CHECK: define void @_Z4testv()
26 ; CHECK: [[OBJ_PTR:\%.+]] = alloca %class.SomeClass, align 4
27 ; CHECK: call void @_ZN9SomeClassC1Ev(%class.SomeClass* [[OBJ_PTR]])
28 ; CHECK: call void (...) @llvm.frameescape(%class.SomeClass* [[OBJ_PTR]])
29 ; CHECK: invoke void @_Z9may_throwv()
30 ; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]+]]
32 ; Function Attrs: uwtable
33 define void @_Z4testv() #0 {
35 %obj = alloca %class.SomeClass, align 4
36 %exn.slot = alloca i8*
37 %ehselector.slot = alloca i32
38 call void @_ZN9SomeClassC1Ev(%class.SomeClass* %obj)
39 invoke void @_Z9may_throwv()
40 to label %invoke.cont unwind label %lpad
42 invoke.cont: ; preds = %entry
43 call void @_ZN9SomeClassD1Ev(%class.SomeClass* %obj)
46 ; CHECK: [[LPAD_LABEL]]:{{[ ]+}}; preds = %entry
47 ; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
49 ; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 0, void (i8*, i8*)* @_Z4testv.cleanup)
50 ; CHECK-NEXT: indirectbr i8* [[RECOVER]], []
52 lpad: ; preds = %entry
53 %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
55 %tmp1 = extractvalue { i8*, i32 } %tmp, 0
56 store i8* %tmp1, i8** %exn.slot
57 %tmp2 = extractvalue { i8*, i32 } %tmp, 1
58 store i32 %tmp2, i32* %ehselector.slot
59 call void @_ZN9SomeClassD1Ev(%class.SomeClass* %obj)
62 ; CHECK-NOT: eh.resume:
64 eh.resume: ; preds = %lpad
65 %exn = load i8*, i8** %exn.slot
66 %sel = load i32, i32* %ehselector.slot
67 %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0
68 %lpad.val2 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1
69 resume { i8*, i32 } %lpad.val2
74 ; This cleanup handler should be outlined.
75 ; CHECK: define internal void @_Z4testv.cleanup(i8*, i8*)
77 ; CHECK: [[RECOVER_OBJ:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 0)
78 ; CHECK: [[OBJ_PTR1:\%.+]] = bitcast i8* [[RECOVER_OBJ]] to %class.SomeClass*
79 ; CHECK: call void @_ZN9SomeClassD1Ev(%class.SomeClass* [[OBJ_PTR1]])
83 declare void @_ZN9SomeClassC1Ev(%class.SomeClass*) #1
85 declare void @_Z9may_throwv() #1
87 declare i32 @__CxxFrameHandler3(...)
89 declare void @_ZN9SomeClassD1Ev(%class.SomeClass*) #1
91 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" }
92 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" }
93 attributes #2 = { noinline noreturn nounwind }
94 attributes #3 = { noreturn nounwind }
95 attributes #4 = { nounwind }
99 !0 = !{!"clang version 3.7.0 (trunk 226027)"}