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| ; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"
%eh.ThrowInfo = type { i32, i32, i32, i32 }
%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
@"\01??_7type_info@@6B@" = external constant i8*
@"\01??_R0H@8" = internal global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }
declare void @llvm.trap()
define void @test1(i1 %B) personality i32 (...)* @__CxxFrameHandler3 {
entry:
invoke void @g()
to label %unreachable unwind label %catch.dispatch
catch.dispatch:
%cs1 = catchswitch within none [label %catch] unwind to caller
catch:
%cp = catchpad within %cs1 [i8* null, i32 64, i8* null]
br label %catch.loop
catch.loop:
br i1 %B, label %catchret, label %catch.loop
catchret:
catchret from %cp to label %try.cont
try.cont:
ret void
unreachable:
call void @llvm.trap()
unreachable
}
; CHECK-LABEL: test1:
; The entry funclet contains %entry and %try.cont
; CHECK: # %entry
; CHECK: # %try.cont
; CHECK: retq
; The catch funclet contains %catch and %catchret
; CHECK: # %catch{{$}}
; CHECK: # %catchret
; CHECK: retq
declare void @g()
define i32 @test2(i1 %B) personality i32 (...)* @__CxxFrameHandler3 {
entry:
invoke void @_CxxThrowException(i8* null, %eh.ThrowInfo* null) #1
to label %unreachable unwind label %catch.dispatch
catch.dispatch: ; preds = %entry
%cs1 = catchswitch within none [label %catch] unwind to caller
catch: ; preds = %catch.dispatch
%0 = catchpad within %cs1 [i8* null, i32 64, i8* null]
invoke void @_CxxThrowException(i8* null, %eh.ThrowInfo* null) #1 ["funclet"(token %0)]
to label %unreachable unwind label %catch.dispatch.1
catch.dispatch.1: ; preds = %catch
%cs2 = catchswitch within %0 [label %catch.3] unwind to caller
catch.3: ; preds = %catch.dispatch.1
%1 = catchpad within %cs2 [i8* null, i32 64, i8* null]
catchret from %1 to label %try.cont
try.cont: ; preds = %catch.3
catchret from %0 to label %try.cont.5
try.cont.5: ; preds = %try.cont
ret i32 0
unreachable: ; preds = %catch, %entry
call void @llvm.trap()
unreachable
}
; CHECK-LABEL: test2:
; The parent function contains %entry and %try.cont.5
; CHECK: .seh_proc
; CHECK: # %entry
; CHECK: # %try.cont.5
; CHECK: retq
; The inner catch funclet contains %catch.3
; CHECK: .seh_proc
; CHECK: # %catch.3{{$}}
; CHECK: retq
; The outer catch funclet contains %catch
; CHECK: .seh_proc
; CHECK: # %catch{{$}}
; CHECK: callq _CxxThrowException
; CHECK: # %unreachable
; CHECK: ud2
define void @test3(i1 %V) #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
entry:
invoke void @g()
to label %try.cont unwind label %catch.dispatch
catch.dispatch: ; preds = %entry
%cs1 = catchswitch within none [label %catch.2] unwind label %catch.dispatch.1
catch.2: ; preds = %catch.dispatch
%0 = catchpad within %cs1 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
tail call void @exit(i32 0) #2 [ "funclet"(token %0) ]
unreachable
catch.dispatch.1: ; preds = %catch.dispatch
%cs2 = catchswitch within none [label %catch] unwind to caller
catch: ; preds = %catch.dispatch.1
%1 = catchpad within %cs2 [i8* null, i32 64, i8* null]
tail call void @exit(i32 0) #2 [ "funclet"(token %1) ]
unreachable
try.cont: ; preds = %entry
br i1 %V, label %exit_one, label %exit_two
exit_one:
tail call void @g()
call void @llvm.trap()
unreachable
exit_two:
tail call void @g()
call void @llvm.trap()
unreachable
}
; CHECK-LABEL: test3:
; The entry funclet contains %entry and %try.cont
; CHECK: # %entry
; CHECK: # %try.cont
; CHECK: callq g
; CHECK-NOT: # exit_one
; CHECK-NOT: # exit_two
; CHECK: ud2
; The catch(...) funclet contains %catch.2
; CHECK: # %catch.2{{$}}
; CHECK: callq exit
; CHECK-NEXT: int3
; The catch(int) funclet contains %catch
; CHECK: # %catch{{$}}
; CHECK: callq exit
; CHECK-NEXT: int3
declare void @exit(i32) noreturn nounwind
declare void @_CxxThrowException(i8*, %eh.ThrowInfo*)
declare i32 @__CxxFrameHandler3(...)
|