[WinEH] Rip out the landingpad-based C++ EH state numbering code

It never really worked, and the new code is working better every day.

llvm-svn: 247860

1 files changed, 0 insertions, 232 deletions

diff --git a/llvm/test/CodeGen/WinEH/cppeh-prepared-catch.ll b/llvm/test/CodeGen/WinEH/cppeh-prepared-catch.ll
deleted file mode 100644
index a5d86dceea9..00000000000
--- a/llvm/test/CodeGen/WinEH/cppeh-prepared-catch.ll
+++ /dev/null
@@ -1,232 +0,0 @@
-; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s --check-prefix=CHECK --check-prefix=X64
-; RUN: llc -mtriple=i686-windows-msvc < %s | FileCheck %s --check-prefix=CHECK --check-prefix=X86
-
-; 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.localrecover(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: jmp{{[ql]}} *
-; X64:        .seh_handlerdata
-; X64-NEXT:        .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.localrecover(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: jmp{{[ql]}} *
-; X64: ".L?f@@YAXXZ.catch1$parent_frame_offset" = 16
-; X64:         movq    %rdx, 16(%rsp)
-; X64:        .seh_handlerdata
-; X64:        .long   ("$cppxdata$?f@@YAXXZ")@IMGREL
-
-define void @"\01?f@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
-entry:
-  %exn.slot = alloca i8*
-  %ehselector.slot = alloca i32
-  %0 = alloca i32*, align 8
-  %1 = alloca double, align 8
-  call void (...) @llvm.localescape(i32** %0, double* %1)
-  invoke void @"\01?may_throw@@YAXXZ"()
-          to label %invoke.cont unwind label %lpad2
-
-invoke.cont:                                      ; preds = %entry
-  br label %try.cont
-
-lpad2:                                            ; preds = %entry
-  %2 = landingpad { i8*, i32 }
-          catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.8
-          catch %eh.CatchHandlerType* @llvm.eh.handlertype.N.0
-  %recover = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.8 to i8*), i32 0, i8* (i8*, i8*)* @"\01?f@@YAXXZ.catch", i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.N.0 to i8*), i32 1, i8* (i8*, i8*)* @"\01?f@@YAXXZ.catch1")
-  indirectbr i8* %recover, [label %try.cont, label %try.cont8]
-
-try.cont:                                         ; preds = %lpad2, %invoke.cont
-  invoke void @"\01?may_throw@@YAXXZ"()
-          to label %try.cont8 unwind label %lpad1
-
-lpad1:
-  %3 = landingpad { i8*, i32 }
-          catch %eh.CatchHandlerType* @llvm.eh.handlertype.N.0
-  %recover2 = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.N.0 to i8*), i32 1, i8* (i8*, i8*)* @"\01?f@@YAXXZ.catch1")
-  indirectbr i8* %recover2, [label %try.cont8]
-
-try.cont8:                                        ; preds = %lpad2, %try.cont
-  ret void
-}
-
-; CHECK-LABEL: "?f@@YAXXZ":
-; No code should be generated for the indirectbr.
-; CHECK-NOT: jmp{{[ql]}} *
-
-; X64:             .seh_handlerdata
-; X64-NEXT:        .long   ("$cppxdata$?f@@YAXXZ")@IMGREL
-; X86:             .section .xdata,"dr"
-
-; CHECK: .align 4
-
-; X64: "$cppxdata$?f@@YAXXZ":
-; X64-NEXT:          .long   429065506
-; X64-NEXT:          .long   4
-; X64-NEXT:          .long   ("$stateUnwindMap$?f@@YAXXZ")@IMGREL
-; X64-NEXT:          .long   2
-; X64-NEXT:          .long   ("$tryMap$?f@@YAXXZ")@IMGREL
-; X64-NEXT:          .long   6
-; X64-NEXT:          .long   ("$ip2state$?f@@YAXXZ")@IMGREL
-; X64-NEXT:          .long   32
-; X64-NEXT:          .long   0
-; X64-NEXT:          .long   1
-
-; X86: "L__ehtable$?f@@YAXXZ":
-; X86-NEXT:          .long   429065506
-; X86-NEXT:          .long   4
-; X86-NEXT:          .long   ("$stateUnwindMap$?f@@YAXXZ")
-; X86-NEXT:          .long   2
-; X86-NEXT:          .long   ("$tryMap$?f@@YAXXZ")
-; X86-NEXT:          .long   0
-; X86-NEXT:          .long   0
-; X86-NEXT:          .long   0
-; X86-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")
-; CHECK-NEXT:        .long   0
-; CHECK-NEXT:        .long   2
-; CHECK-NEXT:        .long   3
-; CHECK-NEXT:        .long   1
-; CHECK-NEXT:        .long   ("$handlerMap$1$?f@@YAXXZ")
-; CHECK-NEXT:"$handlerMap$0$?f@@YAXXZ":
-; CHECK-NEXT:        .long   8
-; CHECK-NEXT:        .long   "??_R0H@8"
-; CHECK-NEXT:        .long   "{{.?}}L?f@@YAXXZ$frame_escape_0"
-; CHECK-NEXT:        .long   "?f@@YAXXZ.catch"
-; X64-NEXT:          .long   ".L?f@@YAXXZ.catch$parent_frame_offset"
-; CHECK-NEXT:"$handlerMap$1$?f@@YAXXZ":
-; CHECK-NEXT:        .long   0
-; CHECK-NEXT:        .long   "??_R0N@8"
-; CHECK-NEXT:        .long   "{{.?}}L?f@@YAXXZ$frame_escape_1"
-; CHECK-NEXT:        .long   "?f@@YAXXZ.catch1"
-; X64-NEXT:          .long   ".L?f@@YAXXZ.catch1$parent_frame_offset"
-
-; X64-NEXT:"$ip2state$?f@@YAXXZ":
-; X64-NEXT:        .long   .Lfunc_begin0
-; X64-NEXT:        .long   2
-; X64-NEXT:        .long   .Ltmp0
-; X64-NEXT:        .long   0
-; X64-NEXT:        .long   .Lfunc_begin1
-; X64-NEXT:        .long   3
-; X64-NEXT:        .long   .Lfunc_begin2
-; X64-NEXT:        .long   -1
-; X64-NEXT:        .long   .Ltmp13
-; X64-NEXT:        .long   1
-; X64-NEXT:        .long   .Ltmp16
-; X64-NEXT:        .long   0
-
-
-; X86: "___ehhandler$?f@@YAXXZ": # @"__ehhandler$?f@@YAXXZ"
-; X86: movl $"L__ehtable$?f@@YAXXZ", %eax
-; X86: jmp ___CxxFrameHandler3 # TAILCALL
-
-
-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.localescape(...) #3
-
-; Function Attrs: nounwind readnone
-declare i8* @llvm.localrecover(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" }