; RUN: llc < %s | FileCheck %s 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" define void @try_except() #0 personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) { entry: %__exception_code = alloca i32, align 4 call void (...) @llvm.localescape(i32* %__exception_code) invoke void @f(i32 1) #3 to label %invoke.cont unwind label %catch.dispatch catch.dispatch: ; preds = %entry %cs1 = catchswitch within none [label %__except.ret] unwind to caller __except.ret: ; preds = %catch.dispatch %0 = catchpad within %cs1 [i8* bitcast (i32 ()* @try_except_filter_catchall to i8*)] catchret from %0 to label %__except __except: ; preds = %__except.ret call void @f(i32 2) br label %__try.cont __try.cont: ; preds = %__except, %invoke.cont call void @f(i32 3) ret void invoke.cont: ; preds = %entry br label %__try.cont } ; CHECK-LABEL: _try_except: ; Store state #0 ; CHECK: movl $0, -[[state:[0-9]+]](%ebp) ; CHECK: pushl $1 ; CHECK: calll _f ; CHECK: movl $-1, -[[state]](%ebp) ; CHECK: pushl $3 ; CHECK: calll _f ; CHECK: retl ; __except ; CHECK: movl $-1, -[[state]](%ebp) ; CHECK: pushl $2 ; CHECK: calll _f ; CHECK: .section .xdata,"dr" ; CHECK: L__ehtable$try_except: ; CHECK: .long -1 # ToState ; CHECK: .long _try_except_filter_catchall # Filter ; CHECK: .long LBB0_1 define internal i32 @try_except_filter_catchall() #0 { entry: %0 = call i8* @llvm.frameaddress(i32 1) %1 = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (void ()* @try_except to i8*), i8* %0) %2 = call i8* @llvm.localrecover(i8* bitcast (void ()* @try_except to i8*), i8* %1, i32 0) %__exception_code = bitcast i8* %2 to i32* %3 = getelementptr inbounds i8, i8* %0, i32 -20 %4 = bitcast i8* %3 to i8** %5 = load i8*, i8** %4, align 4 %6 = bitcast i8* %5 to { i32*, i8* }* %7 = getelementptr inbounds { i32*, i8* }, { i32*, i8* }* %6, i32 0, i32 0 %8 = load i32*, i32** %7, align 4 %9 = load i32, i32* %8, align 4 store i32 %9, i32* %__exception_code, align 4 ret i32 1 } define void @nested_exceptions() #0 personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) { entry: %__exception_code = alloca i32, align 4 call void (...) @llvm.localescape(i32* %__exception_code) invoke void @crash() #3 to label %__try.cont unwind label %catch.dispatch catch.dispatch: ; preds = %entry %cs1 = catchswitch within none [label %__except.ret] unwind label %catch.dispatch.11 __except.ret: ; preds = %catch.dispatch %0 = catchpad within %cs1 [i8* bitcast (i32 ()* @nested_exceptions_filter_catchall to i8*)] catchret from %0 to label %__try.cont __try.cont: ; preds = %entry, %__except.ret invoke void @crash() #3 to label %__try.cont.9 unwind label %catch.dispatch.5 catch.dispatch.5: ; preds = %__try.cont %cs2 = catchswitch within none [label %__except.ret.7] unwind label %catch.dispatch.11 __except.ret.7: ; preds = %catch.dispatch.5 %1 = catchpad within %cs2 [i8* bitcast (i32 ()* @nested_exceptions_filter_catchall to i8*)] catchret from %1 to label %__try.cont.9 __try.cont.9: ; preds = %__try.cont, %__except.ret.7 invoke void @crash() #3 to label %__try.cont.15 unwind label %catch.dispatch.11 catch.dispatch.11: ; preds = %catchendblock, %catchendblock.6, %__try.cont.9 %cs3 = catchswitch within none [label %__except.ret.13] unwind label %catch.dispatch.17 __except.ret.13: ; preds = %catch.dispatch.11 %2 = catchpad within %cs3 [i8* bitcast (i32 ()* @nested_exceptions_filter_catchall to i8*)] catchret from %2 to label %__try.cont.15 __try.cont.15: ; preds = %__try.cont.9, %__except.ret.13 invoke void @crash() #3 to label %__try.cont.35 unwind label %catch.dispatch.17 catch.dispatch.17: ; preds = %catchendblock.12, %__try.cont.15 %cs4 = catchswitch within none [label %__except.ret.19] unwind to caller __except.ret.19: ; preds = %catch.dispatch.17 %3 = catchpad within %cs4 [i8* bitcast (i32 ()* @nested_exceptions_filter_catchall to i8*)] catchret from %3 to label %__except.20 __except.20: ; preds = %__except.ret.19 invoke void @crash() #3 to label %__try.cont.27 unwind label %catch.dispatch.23 catch.dispatch.23: ; preds = %__except.20 %cs5 = catchswitch within none [label %__except.ret.25] unwind to caller __except.ret.25: ; preds = %catch.dispatch.23 %4 = catchpad within %cs5 [i8* bitcast (i32 ()* @nested_exceptions_filter_catchall to i8*)] catchret from %4 to label %__try.cont.27 __try.cont.27: ; preds = %__except.20, %__except.ret.25 invoke void @crash() #3 to label %__try.cont.35 unwind label %catch.dispatch.30 catch.dispatch.30: ; preds = %__try.cont.27 %cs6 = catchswitch within none [label %__except.ret.32] unwind to caller __except.ret.32: ; preds = %catch.dispatch.30 %5 = catchpad within %cs6 [i8* bitcast (i32 ()* @nested_exceptions_filter_catchall to i8*)] catchret from %5 to label %__try.cont.35 __try.cont.35: ; preds = %__try.cont.15, %__try.cont.27, %__except.ret.32 ret void } ; This table is equivalent to the one produced by MSVC, even if it isn't in ; quite the same order. ; CHECK-LABEL: _nested_exceptions: ; CHECK: L__ehtable$nested_exceptions: ; CHECK: .long -1 ; CHECK: .long _nested_exceptions_filter_catchall ; CHECK: .long LBB ; CHECK: .long 0 ; CHECK: .long _nested_exceptions_filter_catchall ; CHECK: .long LBB ; CHECK: .long 1 ; CHECK: .long _nested_exceptions_filter_catchall ; CHECK: .long LBB ; CHECK: .long 1 ; CHECK: .long _nested_exceptions_filter_catchall ; CHECK: .long LBB ; CHECK: .long -1 ; CHECK: .long _nested_exceptions_filter_catchall ; CHECK: .long LBB ; CHECK: .long -1 ; CHECK: .long _nested_exceptions_filter_catchall ; CHECK: .long LBB declare void @crash() #0 define internal i32 @nested_exceptions_filter_catchall() #0 { entry: %0 = call i8* @llvm.frameaddress(i32 1) %1 = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (void ()* @nested_exceptions to i8*), i8* %0) %2 = call i8* @llvm.localrecover(i8* bitcast (void ()* @nested_exceptions to i8*), i8* %1, i32 0) %__exception_code3 = bitcast i8* %2 to i32* %3 = getelementptr inbounds i8, i8* %0, i32 -20 %4 = bitcast i8* %3 to i8** %5 = load i8*, i8** %4, align 4 %6 = bitcast i8* %5 to { i32*, i8* }* %7 = getelementptr inbounds { i32*, i8* }, { i32*, i8* }* %6, i32 0, i32 0 %8 = load i32*, i32** %7, align 4 %9 = load i32, i32* %8, align 4 store i32 %9, i32* %__exception_code3, align 4 ret i32 1 } define void @code_in_catchpad() #0 personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) { entry: invoke void @f(i32 1) #3 to label %__except unwind label %catch.dispatch catch.dispatch: ; preds = %entry %cs1 = catchswitch within none [label %__except.ret] unwind to caller __except.ret: ; preds = %catch.dispatch %0 = catchpad within %cs1 [i8* bitcast (i32 ()* @try_except_filter_catchall to i8*)] call void @f(i32 2) [ "funclet"(token %0) ] catchret from %0 to label %__except __except: ret void } ; CHECK-LABEL: _code_in_catchpad: ; CHECK: # %__except.ret ; CHECK-NEXT: movl -24(%ebp), %esp ; CHECK-NEXT: addl $12, %ebp ; CHECK-NEXT: movl $-1, -16(%ebp) ; CHECK-NEXT: pushl $2 ; CHECK-NEXT: calll _f ; Function Attrs: nounwind readnone declare i8* @llvm.frameaddress(i32) #1 ; Function Attrs: nounwind readnone declare i8* @llvm.x86.seh.recoverfp(i8*, i8*) #1 ; Function Attrs: nounwind readnone declare i8* @llvm.localrecover(i8*, i8*, i32) #1 declare void @f(i32) #0 declare i32 @_except_handler3(...) ; Function Attrs: nounwind declare void @llvm.localescape(...) #2 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" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { nounwind readnone } attributes #2 = { nounwind } attributes #3 = { noinline }