208 lines
6.3 KiB
LLVM
208 lines
6.3 KiB
LLVM
|
; RUN: llc -mtriple=i686-pc-windows-msvc < %s | FileCheck %s --check-prefix=X86
|
||
|
|
; RUN: llc -mtriple=x86_64-pc-windows-msvc < %s | FileCheck %s --check-prefix=X64
|
||
|
|
|
||
|
|
; Based on this source:
|
||
|
|
; extern "C" void may_throw(int);
|
||
|
|
; void f() {
|
||
|
|
; try {
|
||
|
|
; may_throw(1);
|
||
|
|
; try {
|
||
|
|
; may_throw(2);
|
||
|
|
; } catch (int) {
|
||
|
|
; may_throw(3);
|
||
|
|
; }
|
||
|
|
; } catch (int) {
|
||
|
|
; may_throw(4);
|
||
|
|
; }
|
||
|
|
; }
|
||
|
|
|
||
|
|
%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
|
||
|
|
%eh.CatchHandlerType = type { i32, i8* }
|
||
|
|
|
||
|
|
declare void @may_throw(i32)
|
||
|
|
declare i32 @__CxxFrameHandler3(...)
|
||
|
|
declare void @llvm.eh.begincatch(i8*, i8*)
|
||
|
|
declare void @llvm.eh.endcatch()
|
||
|
|
declare i32 @llvm.eh.typeid.for(i8*)
|
||
|
|
|
||
|
|
$"\01??_R0H@8" = 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"
|
||
|
|
|
||
|
|
define void @f() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
|
||
|
|
entry:
|
||
|
|
invoke void @may_throw(i32 1)
|
||
|
|
to label %invoke.cont unwind label %lpad.1
|
||
|
|
|
||
|
|
invoke.cont: ; preds = %entry
|
||
|
|
invoke void @may_throw(i32 2)
|
||
|
|
to label %try.cont.9 unwind label %lpad
|
||
|
|
|
||
|
|
try.cont.9: ; preds = %invoke.cont.3, %invoke.cont, %catch.7
|
||
|
|
ret void
|
||
|
|
|
||
|
|
lpad: ; preds = %catch, %entry
|
||
|
|
%cs1 = catchswitch within none [label %catch] unwind label %lpad.1
|
||
|
|
|
||
|
|
catch: ; preds = %lpad.1
|
||
|
|
%p1 = catchpad within %cs1 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
|
||
|
|
invoke void @may_throw(i32 3) [ "funclet"(token %p1) ]
|
||
|
|
to label %invoke.cont.3 unwind label %lpad.1
|
||
|
|
|
||
|
|
invoke.cont.3: ; preds = %catch
|
||
|
|
catchret from %p1 to label %try.cont.9
|
||
|
|
|
||
|
|
lpad.1: ; preds = %invoke.cont
|
||
|
|
%cs2 = catchswitch within none [label %catch.7] unwind to caller
|
||
|
|
|
||
|
|
catch.7:
|
||
|
|
%p2 = catchpad within %cs2 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
|
||
|
|
call void @may_throw(i32 4) [ "funclet"(token %p2) ]
|
||
|
|
catchret from %p2 to label %try.cont.9
|
||
|
|
}
|
||
|
|
|
||
|
|
; X86-LABEL: _f:
|
||
|
|
; X86: movl $-1, [[state:[-0-9]+]](%ebp)
|
||
|
|
; X86: movl $___ehhandler$f, {{.*}}
|
||
|
|
;
|
||
|
|
; X86: movl $0, [[state]](%ebp)
|
||
|
|
; X86: pushl $1
|
||
|
|
; X86: calll _may_throw
|
||
|
|
;
|
||
|
|
; X86: movl $1, [[state]](%ebp)
|
||
|
|
; X86: pushl $2
|
||
|
|
; X86: calll _may_throw
|
||
|
|
;
|
||
|
|
; X86: movl $2, [[state]](%ebp)
|
||
|
|
; X86: pushl $3
|
||
|
|
; X86: calll _may_throw
|
||
|
|
;
|
||
|
|
; X86: movl $3, [[state]](%ebp)
|
||
|
|
; X86: pushl $4
|
||
|
|
; X86: calll _may_throw
|
||
|
|
|
||
|
|
|
||
|
|
; X64-LABEL: f:
|
||
|
|
; X64-LABEL: $ip2state$f:
|
||
|
|
; X64-NEXT: .long .Lfunc_begin0@IMGREL
|
||
|
|
; X64-NEXT: .long -1
|
||
|
|
; X64-NEXT: .long .Ltmp{{.*}}@IMGREL+1
|
||
|
|
; X64-NEXT: .long 0
|
||
|
|
; X64-NEXT: .long .Ltmp{{.*}}@IMGREL+1
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
; X64-NEXT: .long .Ltmp{{.*}}@IMGREL+1
|
||
|
|
; X64-NEXT: .long -1
|
||
|
|
; X64-NEXT: .long "?catch${{.*}}@?0?f@4HA"@IMGREL
|
||
|
|
; X64-NEXT: .long 2
|
||
|
|
; X64-NEXT: .long "?catch${{.*}}@?0?f@4HA"@IMGREL
|
||
|
|
; X64-NEXT: .long 3
|
||
|
|
|
||
|
|
; Based on this source:
|
||
|
|
; extern "C" void may_throw(int);
|
||
|
|
; struct S { ~S(); };
|
||
|
|
; void g() {
|
||
|
|
; S x;
|
||
|
|
; try {
|
||
|
|
; may_throw(-1);
|
||
|
|
; } catch (...) {
|
||
|
|
; may_throw(0);
|
||
|
|
; {
|
||
|
|
; S y;
|
||
|
|
; may_throw(1);
|
||
|
|
; }
|
||
|
|
; may_throw(2);
|
||
|
|
; }
|
||
|
|
; }
|
||
|
|
|
||
|
|
%struct.S = type { i8 }
|
||
|
|
declare void @"\01??1S@@QEAA@XZ"(%struct.S*)
|
||
|
|
|
||
|
|
define void @g() personality i32 (...)* @__CxxFrameHandler3 {
|
||
|
|
entry:
|
||
|
|
%x = alloca %struct.S, align 1
|
||
|
|
%y = alloca %struct.S, align 1
|
||
|
|
invoke void @may_throw(i32 -1)
|
||
|
|
to label %unreachable unwind label %catch.dispatch
|
||
|
|
|
||
|
|
catch.dispatch: ; preds = %entry
|
||
|
|
%0 = catchswitch within none [label %catch] unwind label %ehcleanup5
|
||
|
|
|
||
|
|
catch: ; preds = %catch.dispatch
|
||
|
|
%1 = catchpad within %0 [i8* null, i32 64, i8* null]
|
||
|
|
invoke void @may_throw(i32 0) [ "funclet"(token %1) ]
|
||
|
|
to label %invoke.cont unwind label %ehcleanup5
|
||
|
|
|
||
|
|
invoke.cont: ; preds = %catch
|
||
|
|
invoke void @may_throw(i32 1) [ "funclet"(token %1) ]
|
||
|
|
to label %invoke.cont2 unwind label %ehcleanup
|
||
|
|
|
||
|
|
invoke.cont2: ; preds = %invoke.cont
|
||
|
|
invoke void @"\01??1S@@QEAA@XZ"(%struct.S* nonnull %y) [ "funclet"(token %1) ]
|
||
|
|
to label %invoke.cont3 unwind label %ehcleanup5
|
||
|
|
|
||
|
|
invoke.cont3: ; preds = %invoke.cont2
|
||
|
|
invoke void @may_throw(i32 2) [ "funclet"(token %1) ]
|
||
|
|
to label %invoke.cont4 unwind label %ehcleanup5
|
||
|
|
|
||
|
|
invoke.cont4: ; preds = %invoke.cont3
|
||
|
|
catchret from %1 to label %try.cont
|
||
|
|
|
||
|
|
try.cont: ; preds = %invoke.cont4
|
||
|
|
call void @"\01??1S@@QEAA@XZ"(%struct.S* nonnull %x)
|
||
|
|
ret void
|
||
|
|
|
||
|
|
ehcleanup: ; preds = %invoke.cont
|
||
|
|
%2 = cleanuppad within %1 []
|
||
|
|
call void @"\01??1S@@QEAA@XZ"(%struct.S* nonnull %y) [ "funclet"(token %2) ]
|
||
|
|
cleanupret from %2 unwind label %ehcleanup5
|
||
|
|
|
||
|
|
ehcleanup5: ; preds = %invoke.cont2, %invoke.cont3, %ehcleanup, %catch, %catch.dispatch
|
||
|
|
%3 = cleanuppad within none []
|
||
|
|
call void @"\01??1S@@QEAA@XZ"(%struct.S* nonnull %x) [ "funclet"(token %3) ]
|
||
|
|
cleanupret from %3 unwind to caller
|
||
|
|
|
||
|
|
unreachable: ; preds = %entry
|
||
|
|
unreachable
|
||
|
|
}
|
||
|
|
|
||
|
|
; X86-LABEL: _g:
|
||
|
|
; X86: movl $-1, [[state:[-0-9]+]](%ebp)
|
||
|
|
; X86: movl $___ehhandler$g, {{.*}}
|
||
|
|
;
|
||
|
|
; X86: movl $1, [[state]](%ebp)
|
||
|
|
; X86: pushl $-1
|
||
|
|
; X86: calll _may_throw
|
||
|
|
;
|
||
|
|
; X86: movl $2, [[state]](%ebp)
|
||
|
|
; X86: pushl $0
|
||
|
|
; X86: calll _may_throw
|
||
|
|
;
|
||
|
|
; X86: movl $3, [[state]](%ebp)
|
||
|
|
; X86: pushl $1
|
||
|
|
; X86: calll _may_throw
|
||
|
|
;
|
||
|
|
; X86: movl $2, [[state]](%ebp)
|
||
|
|
; X86: pushl $2
|
||
|
|
; X86: calll _may_throw
|
||
|
|
|
||
|
|
; X64-LABEL: g:
|
||
|
|
; X64-LABEL: $ip2state$g:
|
||
|
|
; X64-NEXT: .long .Lfunc_begin1@IMGREL
|
||
|
|
; X64-NEXT: .long -1
|
||
|
|
; X64-NEXT: .long .Ltmp{{.*}}@IMGREL+1
|
||
|
|
; X64-NEXT: .long 1
|
||
|
|
; X64-NEXT: .long .Ltmp{{.*}}@IMGREL+1
|
||
|
|
; X64-NEXT: .long -1
|
||
|
|
; X64-NEXT: .long "?catch${{.*}}@?0?g@4HA"@IMGREL
|
||
|
|
; X64-NEXT: .long 2
|
||
|
|
; X64-NEXT: .long .Ltmp{{.*}}@IMGREL+1
|
||
|
|
; X64-NEXT: .long 3
|
||
|
|
; X64-NEXT: .long .Ltmp{{.*}}@IMGREL+1
|
||
|
|
; X64-NEXT: .long 2
|
||
|
|
|
||
|
|
|
||
|
|
; X86: .safeseh ___ehhandler$f
|
||
|
|
; X86: .safeseh ___ehhandler$g
|