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|
; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
; This test is based on the following code:
;
; void test()
; {
; try {
; may_throw();
; } catch (int i) {
; handle_int(i);
; } catch (long long ll) {
; handle_long_long(ll);
; } catch (SomeClass &obj) {
; handle_obj(&obj);
; } catch (...) {
; handle_exception();
; }
; }
;
; The catch handlers were edited to insert 'ret void' after the endcatch call.
; ModuleID = 'catch-with-type.cpp'
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.HandlerMapEntry = type { i32, i32 }
%rtti.TypeDescriptor3 = type { i8**, i8*, [4 x i8] }
%rtti.TypeDescriptor15 = type { i8**, i8*, [16 x i8] }
%class.SomeClass = type { i8 }
$"\01??_R0H@8" = comdat any
$"\01??_R0_J@8" = comdat any
$"\01??_R0?AVSomeClass@@@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
@__ImageBase = external constant i8
@llvm.eh.handlermapentry.H = private unnamed_addr constant %eh.HandlerMapEntry { i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section "llvm.metadata"
@"\01??_R0_J@8" = linkonce_odr global %rtti.TypeDescriptor3 { i8** @"\01??_7type_info@@6B@", i8* null, [4 x i8] c"._J\00" }, comdat
@llvm.eh.handlermapentry._J = private unnamed_addr constant %eh.HandlerMapEntry { i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor3* @"\01??_R0_J@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section "llvm.metadata"
@"\01??_R0?AVSomeClass@@@8" = linkonce_odr global %rtti.TypeDescriptor15 { i8** @"\01??_7type_info@@6B@", i8* null, [16 x i8] c".?AVSomeClass@@\00" }, comdat
@"llvm.eh.handlermapentry.reference.?AVSomeClass@@" = private unnamed_addr constant %eh.HandlerMapEntry { i32 8, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor15* @"\01??_R0?AVSomeClass@@@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section "llvm.metadata"
; CHECK: define void @"\01?test@@YAXXZ"() #0 {
; CHECK: entry:
; CHECK: [[OBJ_PTR:\%.+]] = alloca %class.SomeClass*, align 8
; CHECK: [[LL_PTR:\%.+]] = alloca i64, align 8
; CHECK: [[I_PTR:\%.+]] = alloca i32, align 4
; CHECK: call void (...) @llvm.frameescape(i32* [[I_PTR]], i64* [[LL_PTR]], %class.SomeClass** [[OBJ_PTR]])
; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]+]]
; Function Attrs: uwtable
define void @"\01?test@@YAXXZ"() #0 {
entry:
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%obj = alloca %class.SomeClass*, align 8
%ll = alloca i64, align 8
%i = alloca i32, align 4
invoke void @"\01?may_throw@@YAXXZ"()
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
br label %try.cont
; CHECK: [[LPAD_LABEL]]:{{[ ]+}}; preds = %entry
; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
; CHECK-NEXT: catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry.H
; CHECK-NEXT: catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry._J
; CHECK-NEXT: catch %eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@"
; CHECK-NEXT: catch i8* null
; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(
; CHECK-SAME: i32 1, i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry.H to i8*), i32 0, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch",
; CHECK-SAME: i32 1, i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry._J to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch1",
; CHECK-SAME: i32 1, i8* bitcast (%eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@" to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch2",
; CHECK-SAME: i32 1, i8* null, i32 -1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch3")
; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %catch14.split, label %catch10.split, label %catch6.split, label %catch.split]
lpad: ; preds = %entry
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry.H
catch %eh.HandlerMapEntry* @llvm.eh.handlermapentry._J
catch %eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@"
catch i8* null
%1 = extractvalue { i8*, i32 } %0, 0
store i8* %1, i8** %exn.slot
%2 = extractvalue { i8*, i32 } %0, 1
store i32 %2, i32* %ehselector.slot
br label %catch.dispatch
; CHECK-NOT: catch.dispatch:
catch.dispatch: ; preds = %lpad
%sel = load i32, i32* %ehselector.slot
%3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry.H to i8*)) #3
%matches = icmp eq i32 %sel, %3
br i1 %matches, label %catch14, label %catch.fallthrough
; CHECK-NOT: catch14:
; CHECK: catch14.split:
; CHECK-NEXT: ret void
catch14: ; preds = %catch.dispatch
%exn15 = load i8*, i8** %exn.slot
%4 = bitcast i32* %i to i8*
call void @llvm.eh.begincatch(i8* %exn15, i8* %4) #3
%5 = load i32, i32* %i, align 4
call void @"\01?handle_int@@YAXH@Z"(i32 %5)
call void @llvm.eh.endcatch() #3
ret void
try.cont: ; preds = %invoke.cont
ret void
; CHECK-NOT: catch.fallthrough:
catch.fallthrough: ; preds = %catch.dispatch
%6 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.HandlerMapEntry* @llvm.eh.handlermapentry._J to i8*)) #3
%matches1 = icmp eq i32 %sel, %6
br i1 %matches1, label %catch10, label %catch.fallthrough2
; CHECK-NOT: catch10:
; CHECK: catch10.split:
; CHECK-NEXT: ret void
catch10: ; preds = %catch.fallthrough
%exn11 = load i8*, i8** %exn.slot
%7 = bitcast i64* %ll to i8*
call void @llvm.eh.begincatch(i8* %exn11, i8* %7) #3
%8 = load i64, i64* %ll, align 8
call void @"\01?handle_long_long@@YAX_J@Z"(i64 %8)
call void @llvm.eh.endcatch() #3
ret void
; CHECK-NOT: catch.fallthrough2:
catch.fallthrough2: ; preds = %catch.fallthrough
%9 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.HandlerMapEntry* @"llvm.eh.handlermapentry.reference.?AVSomeClass@@" to i8*)) #3
%matches3 = icmp eq i32 %sel, %9
br i1 %matches3, label %catch6, label %catch
; CHECK-NOT: catch6:
; CHECK: catch6.split:
; CHECK-NEXT: ret void
catch6: ; preds = %catch.fallthrough2
%exn7 = load i8*, i8** %exn.slot
%10 = bitcast %class.SomeClass** %obj to i8*
call void @llvm.eh.begincatch(i8* %exn7, i8* %10) #3
%11 = load %class.SomeClass*, %class.SomeClass** %obj, align 8
call void @"\01?handle_obj@@YAXPEAVSomeClass@@@Z"(%class.SomeClass* %11)
call void @llvm.eh.endcatch() #3
ret void
; CHECK-NOT: catch:
; CHECK: catch.split:
; CHECK-NEXT: ret void
catch: ; preds = %catch.fallthrough2
%exn = load i8*, i8** %exn.slot
call void @llvm.eh.begincatch(i8* %exn, i8* null) #3
call void @"\01?handle_exception@@YAXXZ"() call void @llvm.eh.endcatch() #3
ret void
; CHECK: }
}
; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*)
; CHECK: entry:
; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32*
; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4
; CHECK: call void @"\01?handle_int@@YAXH@Z"(i32 [[TMP1]])
; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %catch14.split)
; CHECK: }
; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch1"(i8*, i8*)
; CHECK: entry:
; CHECK: [[RECOVER_LL:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
; CHECK: [[LL_PTR:\%.+]] = bitcast i8* [[RECOVER_LL]] to i64*
; CHECK: [[TMP2:\%.+]] = load i64, i64* [[LL_PTR]], align 8
; CHECK: call void @"\01?handle_long_long@@YAX_J@Z"(i64 [[TMP2]])
; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %catch10.split)
; CHECK: }
; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch2"(i8*, i8*)
; CHECK: entry:
; CHECK: [[RECOVER_OBJ:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 2)
; CHECK: [[OBJ_PTR:\%.+]] = bitcast i8* [[RECOVER_OBJ]] to %class.SomeClass**
; CHECK: [[TMP3:\%.+]] = load %class.SomeClass*, %class.SomeClass** [[OBJ_PTR]], align 8
; CHECK: call void @"\01?handle_obj@@YAXPEAVSomeClass@@@Z"(%class.SomeClass* [[TMP3]])
; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %catch6.split)
; CHECK: }
; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch3"(i8*, i8*)
; CHECK: entry:
; CHECK: call void @"\01?handle_exception@@YAXXZ"()
; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %catch.split)
; CHECK: }
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
declare void @"\01?handle_exception@@YAXXZ"() #1
; Function Attrs: nounwind
declare void @llvm.eh.endcatch() #3
declare void @"\01?handle_obj@@YAXPEAVSomeClass@@@Z"(%class.SomeClass*) #1
declare void @"\01?handle_long_long@@YAX_J@Z"(i64) #1
declare void @"\01?handle_int@@YAXH@Z"(i32) #1
attributes #0 = { 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" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind readnone }
attributes #3 = { nounwind }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"PIC Level", i32 2}
!1 = !{!"clang version 3.7.0 (trunk 233155) (llvm/trunk 233153)"}
|
