diff options
Diffstat (limited to 'test/CodeGen/WinEH/cppeh-prepared-catch.ll')
| -rw-r--r-- | test/CodeGen/WinEH/cppeh-prepared-catch.ll | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/test/CodeGen/WinEH/cppeh-prepared-catch.ll b/test/CodeGen/WinEH/cppeh-prepared-catch.ll new file mode 100644 index 0000000..98b4afc --- /dev/null +++ b/test/CodeGen/WinEH/cppeh-prepared-catch.ll @@ -0,0 +1,203 @@ +; 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 + 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$?f@@YAXXZ")@IMGREL +; CHECK-NEXT: .long 3 +; CHECK-NEXT: .long ("$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 .Ltmp0@IMGREL +; CHECK-NEXT: .long 0 +; 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" } |