; RUN: llc < %s | FileCheck %s target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-pc-windows-msvc" ; This test case is equivalent to: ; void f() { ; try { ; try { ; may_throw(); ; } catch (int &) { ; may_throw(); ; } ; may_throw(); ; } catch (double) { ; } ; } %rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] } %eh.CatchHandlerType = type { i32, i8* } $"\01??_R0N@8" = comdat any $"\01??_R0H@8" = comdat any @"\01??_7type_info@@6B@" = external constant i8* @"\01??_R0N@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".N\00" }, comdat @llvm.eh.handlertype.N.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0N@8" to i8*) }, section "llvm.metadata" @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat @llvm.eh.handlertype.H.8 = private unnamed_addr constant %eh.CatchHandlerType { i32 8, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata" define internal i8* @"\01?f@@YAXXZ.catch"(i8*, i8*) #4 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { entry: %.i8 = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?f@@YAXXZ" to i8*), i8* %1, i32 0) %bc2 = bitcast i8* %.i8 to i32** %bc3 = bitcast i32** %bc2 to i8* invoke void @"\01?may_throw@@YAXXZ"() to label %invoke.cont2 unwind label %lpad1 invoke.cont2: ; preds = %entry ret i8* blockaddress(@"\01?f@@YAXXZ", %try.cont) lpad1: ; preds = %entry %lp4 = landingpad { i8*, i32 } cleanup catch %eh.CatchHandlerType* @llvm.eh.handlertype.N.0 %recover = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.N.0 to i8*), i32 1, i8* (i8*, i8*)* @"\01?f@@YAXXZ.catch1") indirectbr i8* %recover, [label %invoke.cont2] } ; CHECK-LABEL: "?f@@YAXXZ.catch": ; No code should be generated for the indirectbr. ; CHECK-NOT: jmpq * ; CHECK: .seh_handlerdata ; CHECK: .long ("$cppxdata$?f@@YAXXZ")@IMGREL define internal i8* @"\01?f@@YAXXZ.catch1"(i8*, i8*) #4 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { entry: %.i8 = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?f@@YAXXZ" to i8*), i8* %1, i32 1) %2 = bitcast i8* %.i8 to double* %3 = bitcast double* %2 to i8* invoke void () @llvm.donothing() to label %done unwind label %lpad done: ret i8* blockaddress(@"\01?f@@YAXXZ", %try.cont8) lpad: ; preds = %entry %4 = landingpad { i8*, i32 } cleanup %recover = call i8* (...) @llvm.eh.actions() unreachable } ; CHECK-LABEL: "?f@@YAXXZ.catch1": ; No code should be generated for the indirectbr. ; CHECK-NOT: jmpq * ; CHECK: ".L?f@@YAXXZ.catch1$parent_frame_offset" = 16 ; CHECK: movq %rdx, 16(%rsp) ; CHECK: .seh_handlerdata ; CHECK: .long ("$cppxdata$?f@@YAXXZ")@IMGREL define void @"\01?f@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { entry: %exn.slot = alloca i8* %ehselector.slot = alloca i32 %0 = alloca i32*, align 8 %1 = alloca double, align 8 call void (...) @llvm.frameescape(i32** %0, double* %1) invoke void @"\01?may_throw@@YAXXZ"() to label %invoke.cont unwind label %lpad2 invoke.cont: ; preds = %entry br label %try.cont lpad2: ; preds = %entry %2 = landingpad { i8*, i32 } catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.8 catch %eh.CatchHandlerType* @llvm.eh.handlertype.N.0 %recover = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.8 to i8*), i32 0, i8* (i8*, i8*)* @"\01?f@@YAXXZ.catch", i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.N.0 to i8*), i32 1, i8* (i8*, i8*)* @"\01?f@@YAXXZ.catch1") indirectbr i8* %recover, [label %try.cont, label %try.cont8] try.cont: ; preds = %lpad2, %invoke.cont invoke void @"\01?may_throw@@YAXXZ"() to label %try.cont8 unwind label %lpad1 lpad1: %3 = landingpad { i8*, i32 } catch %eh.CatchHandlerType* @llvm.eh.handlertype.N.0 %recover2 = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.N.0 to i8*), i32 1, i8* (i8*, i8*)* @"\01?f@@YAXXZ.catch1") indirectbr i8* %recover2, [label %try.cont8] try.cont8: ; preds = %lpad2, %try.cont ret void } ; CHECK-LABEL: "?f@@YAXXZ": ; No code should be generated for the indirectbr. ; CHECK-NOT: jmpq * ; CHECK: .seh_handlerdata ; CHECK-NEXT: .long ("$cppxdata$?f@@YAXXZ")@IMGREL ; CHECK-NEXT:"$cppxdata$?f@@YAXXZ": ; CHECK-NEXT: .long 429065506 ; CHECK-NEXT: .long 4 ; CHECK-NEXT: .long ("$stateUnwindMap$?f@@YAXXZ")@IMGREL ; CHECK-NEXT: .long 2 ; CHECK-NEXT: .long ("$tryMap$?f@@YAXXZ")@IMGREL ; CHECK-NEXT: .long 6 ; CHECK-NEXT: .long ("$ip2state$?f@@YAXXZ")@IMGREL ; CHECK-NEXT: .long 32 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 1 ; CHECK-NEXT:"$stateUnwindMap$?f@@YAXXZ": ; CHECK-NEXT: .long -1 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long -1 ; CHECK-NEXT: .long 0 ; CHECK-NEXT:"$tryMap$?f@@YAXXZ": ; CHECK-NEXT: .long 1 ; CHECK-NEXT: .long 1 ; CHECK-NEXT: .long 2 ; CHECK-NEXT: .long 1 ; CHECK-NEXT: .long ("$handlerMap$0$?f@@YAXXZ")@IMGREL ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 2 ; CHECK-NEXT: .long 3 ; CHECK-NEXT: .long 1 ; CHECK-NEXT: .long ("$handlerMap$1$?f@@YAXXZ")@IMGREL ; CHECK-NEXT:"$handlerMap$0$?f@@YAXXZ": ; CHECK-NEXT: .long 8 ; CHECK-NEXT: .long "??_R0H@8"@IMGREL ; CHECK-NEXT: .long ".L?f@@YAXXZ$frame_escape_0" ; CHECK-NEXT: .long "?f@@YAXXZ.catch"@IMGREL ; CHECK-NEXT: .long ".L?f@@YAXXZ.catch$parent_frame_offset" ; CHECK-NEXT:"$handlerMap$1$?f@@YAXXZ": ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long "??_R0N@8"@IMGREL ; CHECK-NEXT: .long ".L?f@@YAXXZ$frame_escape_1" ; CHECK-NEXT: .long "?f@@YAXXZ.catch1"@IMGREL ; CHECK-NEXT: .long ".L?f@@YAXXZ.catch1$parent_frame_offset" ; CHECK-NEXT:"$ip2state$?f@@YAXXZ": ; CHECK-NEXT: .long .Lfunc_begin0@IMGREL ; CHECK-NEXT: .long 2 ; CHECK-NEXT: .long .Ltmp0@IMGREL ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long .Lfunc_begin1@IMGREL ; CHECK-NEXT: .long 3 ; CHECK-NEXT: .long .Lfunc_begin2@IMGREL ; CHECK-NEXT: .long -1 ; CHECK-NEXT: .long .Ltmp13@IMGREL ; CHECK-NEXT: .long 1 ; CHECK-NEXT: .long .Ltmp16@IMGREL ; CHECK-NEXT: .long 0 declare void @"\01?may_throw@@YAXXZ"() #1 declare i32 @__CxxFrameHandler3(...) ; Function Attrs: nounwind readnone declare i32 @llvm.eh.typeid.for(i8*) #2 ; Function Attrs: nounwind declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3 ; Function Attrs: nounwind declare void @llvm.eh.endcatch() #3 ; Function Attrs: nounwind declare i8* @llvm.eh.actions(...) #3 ; Function Attrs: nounwind declare void @llvm.frameescape(...) #3 ; Function Attrs: nounwind readnone declare i8* @llvm.framerecover(i8*, i8*, i32) #2 declare void @llvm.donothing() attributes #0 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" "wineh-parent"="?f@@YAXXZ" } attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #2 = { nounwind readnone } attributes #3 = { nounwind } attributes #4 = { "wineh-parent"="?f@@YAXXZ" }