forked from OSchip/llvm-project
111 lines
4.1 KiB
LLVM
111 lines
4.1 KiB
LLVM
; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
|
|
|
|
; This test is based on the following source, built with -O2
|
|
;
|
|
; void f() {
|
|
; try {
|
|
; g();
|
|
; try {
|
|
; throw;
|
|
; } catch (int) {
|
|
; }
|
|
; } catch (...) {
|
|
; }
|
|
; }
|
|
;
|
|
|
|
; 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.ThrowInfo = type { i32, i32, i32, i32 }
|
|
|
|
$"\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"
|
|
|
|
; CHECK-LABEL: define void @"\01?f@@YAXXZ"()
|
|
; CHECK: entry:
|
|
; CHECK: call void (...) @llvm.frameescape()
|
|
; CHECK: invoke void @"\01?g@@YAXXZ"()
|
|
|
|
; Function Attrs: nounwind
|
|
define void @"\01?f@@YAXXZ"() #0 {
|
|
entry:
|
|
invoke void @"\01?g@@YAXXZ"()
|
|
to label %invoke.cont unwind label %lpad
|
|
|
|
; CHECK-LABEL: invoke.cont:
|
|
; CHECK: invoke void @_CxxThrowException(i8* null, %eh.ThrowInfo* null)
|
|
; CHECK: to label %unreachable unwind label %[[LPAD1_LABEL:lpad[0-9]+]]
|
|
|
|
invoke.cont: ; preds = %entry
|
|
invoke void @_CxxThrowException(i8* null, %eh.ThrowInfo* null) #4
|
|
to label %unreachable unwind label %lpad1
|
|
|
|
lpad: ; preds = %entry
|
|
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
|
catch i8* null
|
|
%1 = extractvalue { i8*, i32 } %0, 0
|
|
br label %catch2
|
|
|
|
; Note: Even though this landing pad has two catch clauses, it only has one action because both
|
|
; handlers do the same thing.
|
|
; CHECK: [[LPAD1_LABEL]]:
|
|
; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
|
; CHECK-NEXT: catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
|
|
; CHECK-NEXT: catch i8* null
|
|
; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* null, i32 -1, i8* (i8*, i8*)* @"\01?f@@YAXXZ.catch")
|
|
; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %try.cont4]
|
|
|
|
lpad1: ; preds = %invoke.cont
|
|
%2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
|
catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
|
|
catch i8* null
|
|
%3 = extractvalue { i8*, i32 } %2, 0
|
|
br label %catch2
|
|
|
|
catch2: ; preds = %lpad1, %lpad
|
|
%exn.slot.0 = phi i8* [ %3, %lpad1 ], [ %1, %lpad ]
|
|
tail call void @llvm.eh.begincatch(i8* %exn.slot.0, i8* null) #3
|
|
tail call void @llvm.eh.endcatch() #3
|
|
br label %try.cont4
|
|
|
|
try.cont4: ; preds = %catch, %catch2
|
|
ret void
|
|
|
|
unreachable: ; preds = %invoke.cont
|
|
unreachable
|
|
|
|
; CHECK: }
|
|
}
|
|
|
|
declare void @"\01?g@@YAXXZ"() #1
|
|
|
|
declare i32 @__CxxFrameHandler3(...)
|
|
|
|
declare void @_CxxThrowException(i8*, %eh.ThrowInfo*)
|
|
|
|
; 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
|
|
|
|
attributes #0 = { nounwind "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 #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 = { noreturn }
|
|
|
|
!llvm.ident = !{!0}
|
|
|
|
!0 = !{!"clang version 3.7.0 (trunk 235112) (llvm/trunk 235121)"}
|