1 ; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc -S | FileCheck %s --check-prefix=CHECK
3 ; Generated from this C++ source:
4 ; $ clang -O2 t.cpp -S -emit-llvm
6 ; struct Foo { Foo(); ~Foo(); };
20 ; FIXME: We need to do more than this. In particular, __sanitizer_cov callbacks
21 ; in funclets need token bundles.
23 ; CHECK-LABEL: define i32 @"\01?f@@YAHXZ"()
24 ; CHECK: catch.dispatch:
25 ; CHECK-NEXT: catchswitch within none [label %catch3, label %catch] unwind label %ehcleanup
28 source_filename = "t.cpp"
29 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
30 target triple = "x86_64-pc-windows-msvc19.10.24728"
32 %rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
33 %struct.Foo = type { i8 }
35 $"\01??_R0H@8" = comdat any
37 @"\01??_7type_info@@6B@" = external constant i8*
38 @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
40 ; Function Attrs: uwtable
41 define i32 @"\01?f@@YAHXZ"() local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
43 %v = alloca %struct.Foo, align 1
44 %e = alloca i32, align 4
45 %0 = getelementptr inbounds %struct.Foo, %struct.Foo* %v, i64 0, i32 0
46 call void @llvm.lifetime.start(i64 1, i8* nonnull %0) #4
47 %call = call %struct.Foo* @"\01??0Foo@@QEAA@XZ"(%struct.Foo* nonnull %v)
48 invoke void @"\01?g@@YAXXZ"()
49 to label %invoke.cont unwind label %ehcleanup
51 invoke.cont: ; preds = %entry
52 invoke void @"\01?g@@YAXXZ"()
53 to label %try.cont unwind label %catch.dispatch
55 catch.dispatch: ; preds = %invoke.cont
56 %1 = catchswitch within none [label %catch3, label %catch] unwind label %ehcleanup
58 catch3: ; preds = %catch.dispatch
59 %2 = catchpad within %1 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i32* %e]
60 invoke void @"\01?g@@YAXXZ"() [ "funclet"(token %2) ]
61 to label %invoke.cont4 unwind label %ehcleanup
63 invoke.cont4: ; preds = %catch3
64 catchret from %2 to label %try.cont
66 try.cont: ; preds = %invoke.cont, %invoke.cont2, %invoke.cont4
67 call void @"\01??1Foo@@QEAA@XZ"(%struct.Foo* nonnull %v) #4
68 call void @llvm.lifetime.end(i64 1, i8* nonnull %0) #4
71 catch: ; preds = %catch.dispatch
72 %3 = catchpad within %1 [i8* null, i32 64, i8* null]
73 invoke void @"\01?g@@YAXXZ"() [ "funclet"(token %3) ]
74 to label %invoke.cont2 unwind label %ehcleanup
76 invoke.cont2: ; preds = %catch
77 catchret from %3 to label %try.cont
79 ehcleanup: ; preds = %catch3, %catch, %catch.dispatch, %entry
80 %4 = cleanuppad within none []
81 call void @"\01??1Foo@@QEAA@XZ"(%struct.Foo* nonnull %v) #4 [ "funclet"(token %4) ]
82 call void @llvm.lifetime.end(i64 1, i8* nonnull %0) #4
83 cleanupret from %4 unwind to caller
86 ; Function Attrs: argmemonly nounwind
87 declare void @llvm.lifetime.start(i64, i8* nocapture) #1
89 declare %struct.Foo* @"\01??0Foo@@QEAA@XZ"(%struct.Foo* returned) unnamed_addr #2
91 declare void @"\01?g@@YAXXZ"() local_unnamed_addr #2
93 declare i32 @__CxxFrameHandler3(...)
95 ; Function Attrs: nounwind
96 declare void @"\01??1Foo@@QEAA@XZ"(%struct.Foo*) unnamed_addr #3
98 ; Function Attrs: argmemonly nounwind
99 declare void @llvm.lifetime.end(i64, i8* nocapture) #1
101 attributes #0 = { uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
102 attributes #1 = { argmemonly nounwind }
103 attributes #2 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
104 attributes #3 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
105 attributes #4 = { nounwind }
107 !llvm.module.flags = !{!0}
110 !0 = !{i32 1, !"PIC Level", i32 2}
111 !1 = !{!"clang version 5.0.0 "}