forked from OSchip/llvm-project
117 lines
4.4 KiB
LLVM
117 lines
4.4 KiB
LLVM
; RUN: llc < %s | FileCheck %s
|
|
|
|
; Started from this code:
|
|
; void f() {
|
|
; try {
|
|
; try {
|
|
; throw 42;
|
|
; } catch (int) {
|
|
; }
|
|
; try {
|
|
; throw 42;
|
|
; } catch (int) {
|
|
; }
|
|
; } catch (int) {
|
|
; }
|
|
; }
|
|
|
|
; Don't tail merge the calls.
|
|
; CHECK: calll __CxxThrowException@8
|
|
; CHECK: calll __CxxThrowException@8
|
|
|
|
; ModuleID = 'cppeh-pingpong.cpp'
|
|
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
|
|
target triple = "i686-pc-windows-msvc"
|
|
|
|
%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
|
|
%eh.CatchableType = type { i32, i8*, i32, i32, i32, i32, i8* }
|
|
%eh.CatchableTypeArray.1 = type { i32, [1 x %eh.CatchableType*] }
|
|
%eh.ThrowInfo = type { i32, i8*, i8*, i8* }
|
|
|
|
$"\01??_R0H@8" = comdat any
|
|
|
|
$"_CT??_R0H@84" = comdat any
|
|
|
|
$_CTA1H = comdat any
|
|
|
|
$_TI1H = 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
|
|
@"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32 0, i32 -1, i32 0, i32 4, i8* null }, section ".xdata", comdat
|
|
@_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x %eh.CatchableType*] [%eh.CatchableType* @"_CT??_R0H@84"] }, section ".xdata", comdat
|
|
@_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i8* null, i8* null, i8* bitcast (%eh.CatchableTypeArray.1* @_CTA1H to i8*) }, section ".xdata", comdat
|
|
|
|
define void @"\01?f@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
|
|
entry:
|
|
%i = alloca i32, align 4
|
|
%tmp = alloca i32, align 4
|
|
%tmp1 = alloca i32, align 4
|
|
store i32 0, i32* %i, align 4
|
|
store i32 42, i32* %tmp, align 4
|
|
%0 = bitcast i32* %tmp to i8*
|
|
invoke void @_CxxThrowException(i8* %0, %eh.ThrowInfo* @_TI1H) #1
|
|
to label %unreachable unwind label %catch.dispatch
|
|
|
|
catch.dispatch: ; preds = %entry
|
|
%1 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
|
|
to label %catch unwind label %catchendblock
|
|
|
|
catch: ; preds = %catch.dispatch
|
|
catchret %1 to label %catchret.dest
|
|
|
|
catchret.dest: ; preds = %catch
|
|
br label %try.cont
|
|
|
|
try.cont: ; preds = %catchret.dest
|
|
store i32 42, i32* %tmp1, align 4
|
|
%2 = bitcast i32* %tmp1 to i8*
|
|
invoke void @_CxxThrowException(i8* %2, %eh.ThrowInfo* @_TI1H) #1
|
|
to label %unreachable unwind label %catch.dispatch.2
|
|
|
|
catch.dispatch.2: ; preds = %try.cont
|
|
%3 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
|
|
to label %catch.4 unwind label %catchendblock.3
|
|
|
|
catch.4: ; preds = %catch.dispatch.2
|
|
catchret %3 to label %catchret.dest.5
|
|
|
|
catchret.dest.5: ; preds = %catch.4
|
|
br label %try.cont.6
|
|
|
|
try.cont.6: ; preds = %catchret.dest.5
|
|
br label %try.cont.11
|
|
|
|
catchendblock.3: ; preds = %catch.dispatch.2
|
|
catchendpad unwind label %catch.dispatch.7
|
|
|
|
catch.dispatch.7: ; preds = %catchendblock.3, %catchendblock
|
|
%4 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
|
|
to label %catch.9 unwind label %catchendblock.8
|
|
|
|
catch.9: ; preds = %catch.dispatch.7
|
|
catchret %4 to label %catchret.dest.10
|
|
|
|
catchret.dest.10: ; preds = %catch.9
|
|
br label %try.cont.11
|
|
|
|
try.cont.11: ; preds = %catchret.dest.10, %try.cont.6
|
|
ret void
|
|
|
|
catchendblock.8: ; preds = %catch.dispatch.7
|
|
catchendpad unwind to caller
|
|
|
|
catchendblock: ; preds = %catch.dispatch
|
|
catchendpad unwind label %catch.dispatch.7
|
|
|
|
unreachable: ; preds = %try.cont, %entry
|
|
unreachable
|
|
}
|
|
|
|
declare x86_stdcallcc void @_CxxThrowException(i8*, %eh.ThrowInfo*)
|
|
|
|
declare i32 @__CxxFrameHandler3(...)
|
|
|
|
attributes #0 = { "disable-tail-calls"="false" "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 = { noreturn }
|