| ; 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 |
| |
| $"\01??_R0H@8" = comdat any |
| |
| @"\01??_7type_info@@6B@" = external constant i8* |
| @"\01??_R0N@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".N\00" }, comdat |
| @llvm.eh.handlertype.N.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0N@8" to i8*) }, section "llvm.metadata" |
| @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat |
| @llvm.eh.handlertype.H.8 = private unnamed_addr constant %eh.CatchHandlerType { i32 8, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata" |
| |
| define internal i8* @"\01?f@@YAXXZ.catch"(i8*, i8*) #4 { |
| entry: |
| %.i8 = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?f@@YAXXZ" to i8*), i8* %1, i32 0) |
| %bc2 = bitcast i8* %.i8 to i32** |
| %bc3 = bitcast i32** %bc2 to i8* |
| invoke void @"\01?may_throw@@YAXXZ"() |
| to label %invoke.cont2 unwind label %lpad1 |
| |
| invoke.cont2: ; preds = %entry |
| ret i8* blockaddress(@"\01?f@@YAXXZ", %try.cont) |
| |
| lpad1: ; preds = %entry |
| %lp4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) |
| cleanup |
| catch %eh.CatchHandlerType* @llvm.eh.handlertype.N.0 |
| %recover = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.N.0 to i8*), i32 1, i8* (i8*, i8*)* @"\01?f@@YAXXZ.catch1") |
| indirectbr i8* %recover, [label %invoke.cont2] |
| } |
| |
| ; CHECK-LABEL: "?f@@YAXXZ.catch": |
| ; No code should be generated for the indirectbr. |
| ; CHECK-NOT: jmpq * |
| ; CHECK: .seh_handlerdata |
| ; CHECK: .long ("$cppxdata$?f@@YAXXZ")@IMGREL |
| |
| |
| define internal i8* @"\01?f@@YAXXZ.catch1"(i8*, i8*) #4 { |
| entry: |
| %.i8 = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?f@@YAXXZ" to i8*), i8* %1, i32 1) |
| %2 = bitcast i8* %.i8 to double* |
| %3 = bitcast double* %2 to i8* |
| invoke void (...) @llvm.donothing() |
| to label %done unwind label %lpad |
| |
| done: |
| ret i8* blockaddress(@"\01?f@@YAXXZ", %try.cont8) |
| |
| lpad: ; preds = %entry |
| %4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) |
| cleanup |
| %recover = call i8* (...) @llvm.eh.actions() |
| unreachable |
| } |
| |
| ; CHECK-LABEL: "?f@@YAXXZ.catch1": |
| ; No code should be generated for the indirectbr. |
| ; CHECK-NOT: jmpq * |
| ; CHECK: ".L?f@@YAXXZ.catch1$parent_frame_offset" = 16 |
| ; CHECK: movq %rdx, 16(%rsp) |
| ; CHECK: .seh_handlerdata |
| ; CHECK: .long ("$cppxdata$?f@@YAXXZ")@IMGREL |
| |
| define void @"\01?f@@YAXXZ"() #0 { |
| 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 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) |
| 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 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) |
| 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" } |
