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|
; RUN: llc < %s | FileCheck %s
; This test was generated from the following code.
;
; void test() {
; try {
; try {
; try {
; two();
; throw 2;
; } catch (int x) {
; catch_two();
; }
; a();
; throw 'a';
; } catch (char c) {
; catch_a();
; }
; one();
; throw 1;
; } catch(int x) {
; catch_one();
; } catch(...) {
; catch_all();
; }
; }
;
; The function calls before the throws were declared as 'noexcept' and are
; just here to make blocks easier to identify in the IR.
; ModuleID = '<stdin>'
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"
%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
%eh.CatchHandlerType = type { i32, i8* }
%eh.CatchableType = type { i32, i32, i32, i32, i32, i32, i32 }
%eh.CatchableTypeArray.1 = type { i32, [1 x i32] }
%eh.ThrowInfo = type { i32, i32, i32, i32 }
$"\01??_R0H@8" = comdat any
$"\01??_R0D@8" = comdat any
$"_CT??_R0H@84" = comdat any
$_CTA1H = comdat any
$_TI1H = comdat any
$"_CT??_R0D@81" = comdat any
$_CTA1D = comdat any
$_TI1D = comdat any
@"\01??_7type_info@@6B@" = external constant i8*
@"\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.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata"
@"\01??_R0D@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".D\00" }, comdat
@llvm.eh.handlertype.D.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0D@8" to i8*) }, section "llvm.metadata"
@__ImageBase = external constant i8
@"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat
@_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0H@84" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
@_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1H to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
@"_CT??_R0D@81" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0D@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 1, i32 0 }, section ".xdata", comdat
@_CTA1D = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0D@81" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
@_TI1D = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1D to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
; Function Attrs: nounwind uwtable
define void @"\01?test@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
entry:
%tmp = alloca i32, align 4
%x = alloca i32, align 4
%tmp2 = alloca i8, align 1
%c = alloca i8, align 1
%tmp11 = alloca i32, align 4
%x21 = alloca i32, align 4
call void @"\01?two@@YAXXZ"() #3
store i32 2, i32* %tmp
%0 = bitcast i32* %tmp to i8*
call void (...) @llvm.frameescape(i32* %x, i8* %c, i32* %x21)
invoke void @_CxxThrowException(i8* %0, %eh.ThrowInfo* @_TI1H) #5
to label %unreachable unwind label %lpad
lpad: ; preds = %entry
%1 = landingpad { i8*, i32 }
catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)
catch %eh.CatchHandlerType* @llvm.eh.handlertype.D.0
catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
catch i8* null
%recover = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 0, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch", i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch1", i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch2", i32 1, i8* null, i32 -1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch3")
indirectbr i8* %recover, [label %try.cont, label %try.cont10, label %try.cont22]
try.cont: ; preds = %lpad
call void @"\01?a@@YAXXZ"() #3
store i8 97, i8* %tmp2
invoke void @_CxxThrowException(i8* %tmp2, %eh.ThrowInfo* @_TI1D) #5
to label %unreachable unwind label %lpad3
lpad3: ; preds = %try.cont
%2 = landingpad { i8*, i32 }
catch %eh.CatchHandlerType* @llvm.eh.handlertype.D.0
catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
catch i8* null
%recover1 = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch1", i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch2", i32 1, i8* null, i32 -1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch3")
indirectbr i8* %recover1, [label %try.cont10, label %try.cont22]
try.cont10: ; preds = %lpad3, %lpad
call void @"\01?one@@YAXXZ"() #3
store i32 1, i32* %tmp11
%3 = bitcast i32* %tmp11 to i8*
invoke void @_CxxThrowException(i8* %3, %eh.ThrowInfo* @_TI1H) #5
to label %unreachable unwind label %lpad12
lpad12: ; preds = %try.cont10
%4 = landingpad { i8*, i32 }
catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
catch i8* null
%recover2 = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch2", i32 1, i8* null, i32 -1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch3")
indirectbr i8* %recover2, [label %try.cont22]
try.cont22: ; preds = %lpad12, %lpad3, %lpad
ret void
unreachable: ; preds = %try.cont10, %try.cont, %entry
unreachable
}
; Function Attrs: nounwind
declare void @"\01?two@@YAXXZ"() #1
declare void @_CxxThrowException(i8*, %eh.ThrowInfo*)
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 @"\01?catch_two@@YAXXZ"() #1
; Function Attrs: nounwind
declare void @llvm.eh.endcatch() #3
; Function Attrs: nounwind
declare void @"\01?a@@YAXXZ"() #1
; Function Attrs: nounwind
declare void @"\01?catch_a@@YAXXZ"() #1
; Function Attrs: nounwind
declare void @"\01?one@@YAXXZ"() #1
; Function Attrs: nounwind
declare void @"\01?catch_all@@YAXXZ"() #1
; Function Attrs: nounwind
declare void @"\01?catch_one@@YAXXZ"() #1
; Function Attrs: nounwind
declare i8* @llvm.eh.actions(...) #3
define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*) #4 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
entry:
%x.i8 = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
%x = bitcast i8* %x.i8 to i32*
%2 = bitcast i32* %x to i8*
call void @"\01?catch_two@@YAXXZ"() #3
invoke void @llvm.donothing()
to label %entry.split unwind label %stub
entry.split: ; preds = %entry
ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont)
stub: ; preds = %entry
%3 = landingpad { i8*, i32 }
cleanup
%recover = call i8* (...) @llvm.eh.actions()
unreachable
}
; Function Attrs: nounwind readnone
declare void @llvm.donothing() #2
define internal i8* @"\01?test@@YAXXZ.catch1"(i8*, i8*) #4 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
entry:
call void @"\01?catch_a@@YAXXZ"() #3
invoke void @llvm.donothing()
to label %entry.split unwind label %stub
entry.split: ; preds = %entry
ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont10)
stub: ; preds = %entry
%2 = landingpad { i8*, i32 }
cleanup
%recover = call i8* (...) @llvm.eh.actions()
unreachable
}
define internal i8* @"\01?test@@YAXXZ.catch2"(i8*, i8*) #4 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
entry:
%x21.i8 = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 2)
%x21 = bitcast i8* %x21.i8 to i32*
%2 = bitcast i32* %x21 to i8*
call void @"\01?catch_one@@YAXXZ"() #3
invoke void @llvm.donothing()
to label %entry.split unwind label %stub
entry.split: ; preds = %entry
ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont22)
stub: ; preds = %entry
%3 = landingpad { i8*, i32 }
cleanup
%recover = call i8* (...) @llvm.eh.actions()
unreachable
}
define internal i8* @"\01?test@@YAXXZ.catch3"(i8*, i8*) #4 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
entry:
call void @"\01?catch_all@@YAXXZ"() #3
invoke void @llvm.donothing()
to label %entry.split unwind label %stub
entry.split: ; preds = %entry
ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont22)
stub: ; preds = %entry
%2 = landingpad { i8*, i32 }
cleanup
%recover = call i8* (...) @llvm.eh.actions()
unreachable
}
; Function Attrs: nounwind
declare void @llvm.frameescape(...) #3
; Function Attrs: nounwind readnone
declare i8* @llvm.framerecover(i8*, i8*, i32) #2
attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" "wineh-parent"="?test@@YAXXZ" }
attributes #1 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind readnone }
attributes #3 = { nounwind }
attributes #4 = { "wineh-parent"="?test@@YAXXZ" }
attributes #5 = { noreturn }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"PIC Level", i32 2}
!1 = !{!"clang version 3.7.0 (trunk 236059)"}
; CHECK-LABEL: "$cppxdata$?test@@YAXXZ":
; CHECK-NEXT: .long 429065506
; CHECK-NEXT: .long
; CHECK-NEXT: .long ("$stateUnwindMap$?test@@YAXXZ")@IMGREL
; CHECK-NEXT: .long
; CHECK-NEXT: .long ("$tryMap$?test@@YAXXZ")@IMGREL
; CHECK-NEXT: .long
; CHECK-NEXT: .long ("$ip2state$?test@@YAXXZ")@IMGREL
; CHECK-NEXT: .long 40
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 1
; CHECK: "$stateUnwindMap$?test@@YAXXZ":
; CHECK: "$tryMap$?test@@YAXXZ":
; CHECK: "$handlerMap$0$?test@@YAXXZ":
; CHECK: "$ip2state$?test@@YAXXZ":
; CHECK-NEXT: .long .Lfunc_begin0@IMGREL
; CHECK-NEXT: .long -1
; CHECK-NEXT: .long .Ltmp0@IMGREL
; CHECK-NEXT: .long 2
; CHECK-NEXT: .long .Ltmp3@IMGREL
; CHECK-NEXT: .long 1
; CHECK-NEXT: .long .Ltmp6@IMGREL
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long .Lfunc_begin1@IMGREL
; CHECK-NEXT: .long 3
; CHECK-NEXT: .long .Lfunc_begin2@IMGREL
; CHECK-NEXT: .long 4
; CHECK-NEXT: .long .Lfunc_begin3@IMGREL
; CHECK-NEXT: .long 5
; CHECK-NEXT: .long .Lfunc_begin4@IMGREL
; CHECK-NEXT: .long 6
|
