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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:
;
; int main(void) {
; try {
; try {
; throw 'a';
; } catch (char c) {
; printf("%c\n", c);
; }
; throw 1;
; } catch(int x) {
; printf("%d\n", x);
; } catch(...) {
; printf("...\n");
; }
; try {
; try {
; throw 'b';
; } catch (char c) {
; printf("%c\n", c);
; }
; throw 2;
; } catch(int x) {
; printf("%d\n", x);
; } catch (char c) {
; printf("%c\n", c);
; } catch(...) {
; printf("...\n");
; }
; return 0;
; }
; This test is just checking for failures in processing the IR.
; Extensive handler matching is not required.
; ModuleID = 'cppeh-similar-catch-blocks.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.CatchHandlerType = type { i32, i8* }
%eh.CatchableType = type { i32, i32, i32, i32, i32, i32, i32 }
%eh.CatchableTypeArray.1 = type { i32, [1 x i32] }
%eh.ThrowInfo = type { i32, i32, i32, i32 }
$"\01??_R0H@8" = comdat any
$"\01??_R0D@8" = comdat any
$"_CT??_R0D@81" = comdat any
$_CTA1D = comdat any
$_TI1D = comdat any
$"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@" = comdat any
$"_CT??_R0H@84" = comdat any
$_CTA1H = comdat any
$_TI1H = comdat any
$"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@" = comdat any
$"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@" = comdat any
@"\01??_7type_info@@6B@" = external constant i8*
@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
@llvm.eh.handlertype.H.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata"
@"\01??_R0D@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".D\00" }, comdat
@llvm.eh.handlertype.D.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0D@8" to i8*) }, section "llvm.metadata"
@__ImageBase = external constant i8
@"_CT??_R0D@81" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0D@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 1, i32 0 }, section ".xdata", comdat
@_CTA1D = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0D@81" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
@_TI1D = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1D to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
@"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@" = linkonce_odr unnamed_addr constant [4 x i8] c"%c\0A\00", comdat, align 1
@"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat
@_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0H@84" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
@_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1H to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
@"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@" = linkonce_odr unnamed_addr constant [5 x i8] c"...\0A\00", comdat, align 1
@"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [4 x i8] c"%d\0A\00", comdat, align 1
; This is just a minimal check to verify that main was handled by WinEHPrepare.
; CHECK: define i32 @main()
; CHECK: entry:
; CHECK: call void (...) @llvm.frameescape(i32* [[X_PTR:\%.+]], i32* [[X2_PTR:\%.+]], i8* [[C2_PTR:\%.+]], i8* [[C3_PTR:\%.+]], i8* [[C_PTR:\%.+]])
; CHECK: invoke void @_CxxThrowException
; CHECK: }
; Function Attrs: uwtable
define i32 @main() #0 {
entry:
%retval = alloca i32, align 4
%tmp = alloca i8, align 1
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%c = alloca i8, align 1
%tmp3 = alloca i32, align 4
%x = alloca i32, align 4
%tmp20 = alloca i8, align 1
%c28 = alloca i8, align 1
%tmp34 = alloca i32, align 4
%c48 = alloca i8, align 1
%x56 = alloca i32, align 4
store i32 0, i32* %retval
store i8 97, i8* %tmp
invoke void @_CxxThrowException(i8* %tmp, %eh.ThrowInfo* @_TI1D) #4
to label %unreachable unwind label %lpad
lpad: ; preds = %entry
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch %eh.CatchHandlerType* @llvm.eh.handlertype.D.0
catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
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
catch.dispatch: ; preds = %lpad
%sel = load i32, i32* %ehselector.slot
%3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)) #2
%matches = icmp eq i32 %sel, %3
br i1 %matches, label %catch, label %catch.dispatch5
catch: ; preds = %catch.dispatch
%exn = load i8*, i8** %exn.slot
call void @llvm.eh.begincatch(i8* %exn, i8* %c) #2
%4 = load i8, i8* %c, align 1
%conv = sext i8 %4 to i32
%call = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@", i32 0, i32 0), i32 %conv)
to label %invoke.cont unwind label %lpad2
invoke.cont: ; preds = %catch
call void @llvm.eh.endcatch() #2
br label %try.cont
try.cont: ; preds = %invoke.cont
store i32 1, i32* %tmp3
%5 = bitcast i32* %tmp3 to i8*
invoke void @_CxxThrowException(i8* %5, %eh.ThrowInfo* @_TI1H) #4
to label %unreachable unwind label %lpad4
lpad2: ; preds = %catch
%6 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
catch i8* null
%7 = extractvalue { i8*, i32 } %6, 0
store i8* %7, i8** %exn.slot
%8 = extractvalue { i8*, i32 } %6, 1
store i32 %8, i32* %ehselector.slot
call void @llvm.eh.endcatch() #2
br label %catch.dispatch5
lpad4: ; preds = %try.cont
%9 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
catch i8* null
%10 = extractvalue { i8*, i32 } %9, 0
store i8* %10, i8** %exn.slot
%11 = extractvalue { i8*, i32 } %9, 1
store i32 %11, i32* %ehselector.slot
br label %catch.dispatch5
catch.dispatch5: ; preds = %lpad4, %lpad2, %catch.dispatch
%sel6 = load i32, i32* %ehselector.slot
%12 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)) #2
%matches7 = icmp eq i32 %sel6, %12
br i1 %matches7, label %catch13, label %catch8
catch13: ; preds = %catch.dispatch5
%exn14 = load i8*, i8** %exn.slot
%13 = bitcast i32* %x to i8*
call void @llvm.eh.begincatch(i8* %exn14, i8* %13) #2
%14 = load i32, i32* %x, align 4
%call18 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@", i32 0, i32 0), i32 %14)
to label %invoke.cont17 unwind label %lpad16
invoke.cont17: ; preds = %catch13
call void @llvm.eh.endcatch() #2
br label %try.cont19
try.cont19: ; preds = %invoke.cont17, %invoke.cont11
store i8 98, i8* %tmp20
invoke void @_CxxThrowException(i8* %tmp20, %eh.ThrowInfo* @_TI1D) #4
to label %unreachable unwind label %lpad21
catch8: ; preds = %catch.dispatch5
%exn9 = load i8*, i8** %exn.slot
call void @llvm.eh.begincatch(i8* %exn9, i8* null) #2
%call12 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@", i32 0, i32 0))
to label %invoke.cont11 unwind label %lpad10
invoke.cont11: ; preds = %catch8
call void @llvm.eh.endcatch() #2
br label %try.cont19
lpad10: ; preds = %catch8
%15 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
cleanup
%16 = extractvalue { i8*, i32 } %15, 0
store i8* %16, i8** %exn.slot
%17 = extractvalue { i8*, i32 } %15, 1
store i32 %17, i32* %ehselector.slot
call void @llvm.eh.endcatch() #2
br label %eh.resume
lpad16: ; preds = %catch13
%18 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
cleanup
%19 = extractvalue { i8*, i32 } %18, 0
store i8* %19, i8** %exn.slot
%20 = extractvalue { i8*, i32 } %18, 1
store i32 %20, i32* %ehselector.slot
call void @llvm.eh.endcatch() #2
br label %eh.resume
lpad21: ; preds = %try.cont19
%21 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)
catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)
catch i8* null
%22 = extractvalue { i8*, i32 } %21, 0
store i8* %22, i8** %exn.slot
%23 = extractvalue { i8*, i32 } %21, 1
store i32 %23, i32* %ehselector.slot
br label %catch.dispatch22
catch.dispatch22: ; preds = %lpad21
%sel23 = load i32, i32* %ehselector.slot
%24 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)) #2
%matches24 = icmp eq i32 %sel23, %24
br i1 %matches24, label %catch25, label %catch.dispatch36
catch25: ; preds = %catch.dispatch22
%exn26 = load i8*, i8** %exn.slot
call void @llvm.eh.begincatch(i8* %exn26, i8* %c28) #2
%25 = load i8, i8* %c28, align 1
%conv29 = sext i8 %25 to i32
%call32 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@", i32 0, i32 0), i32 %conv29)
to label %invoke.cont31 unwind label %lpad30
invoke.cont31: ; preds = %catch25
call void @llvm.eh.endcatch() #2
br label %try.cont33
try.cont33: ; preds = %invoke.cont31
store i32 2, i32* %tmp34
%26 = bitcast i32* %tmp34 to i8*
invoke void @_CxxThrowException(i8* %26, %eh.ThrowInfo* @_TI1H) #4
to label %unreachable unwind label %lpad35
lpad30: ; preds = %catch25
%27 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)
catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)
catch i8* null
%28 = extractvalue { i8*, i32 } %27, 0
store i8* %28, i8** %exn.slot
%29 = extractvalue { i8*, i32 } %27, 1
store i32 %29, i32* %ehselector.slot
call void @llvm.eh.endcatch() #2
br label %catch.dispatch36
lpad35: ; preds = %try.cont33
%30 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)
catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)
catch i8* null
%31 = extractvalue { i8*, i32 } %30, 0
store i8* %31, i8** %exn.slot
%32 = extractvalue { i8*, i32 } %30, 1
store i32 %32, i32* %ehselector.slot
br label %catch.dispatch36
catch.dispatch36: ; preds = %lpad35, %lpad30, %catch.dispatch22
%sel37 = load i32, i32* %ehselector.slot
%33 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)) #2
%matches38 = icmp eq i32 %sel37, %33
br i1 %matches38, label %catch53, label %catch.fallthrough
catch53: ; preds = %catch.dispatch36
%exn54 = load i8*, i8** %exn.slot
%34 = bitcast i32* %x56 to i8*
call void @llvm.eh.begincatch(i8* %exn54, i8* %34) #2
%35 = load i32, i32* %x56, align 4
%call59 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@", i32 0, i32 0), i32 %35)
to label %invoke.cont58 unwind label %lpad57
invoke.cont58: ; preds = %catch53
call void @llvm.eh.endcatch() #2
br label %try.cont60
try.cont60: ; preds = %invoke.cont58, %invoke.cont51, %invoke.cont43
ret i32 0
catch.fallthrough: ; preds = %catch.dispatch36
%36 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)) #2
%matches39 = icmp eq i32 %sel37, %36
br i1 %matches39, label %catch45, label %catch40
catch45: ; preds = %catch.fallthrough
%exn46 = load i8*, i8** %exn.slot
call void @llvm.eh.begincatch(i8* %exn46, i8* %c48) #2
%37 = load i8, i8* %c48, align 1
%conv49 = sext i8 %37 to i32
%call52 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@", i32 0, i32 0), i32 %conv49)
to label %invoke.cont51 unwind label %lpad50
invoke.cont51: ; preds = %catch45
call void @llvm.eh.endcatch() #2
br label %try.cont60
catch40: ; preds = %catch.fallthrough
%exn41 = load i8*, i8** %exn.slot
call void @llvm.eh.begincatch(i8* %exn41, i8* null) #2
%call44 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@", i32 0, i32 0))
to label %invoke.cont43 unwind label %lpad42
invoke.cont43: ; preds = %catch40
call void @llvm.eh.endcatch() #2
br label %try.cont60
lpad42: ; preds = %catch40
%38 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
cleanup
%39 = extractvalue { i8*, i32 } %38, 0
store i8* %39, i8** %exn.slot
%40 = extractvalue { i8*, i32 } %38, 1
store i32 %40, i32* %ehselector.slot
call void @llvm.eh.endcatch() #2
br label %eh.resume
lpad50: ; preds = %catch45
%41 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
cleanup
%42 = extractvalue { i8*, i32 } %41, 0
store i8* %42, i8** %exn.slot
%43 = extractvalue { i8*, i32 } %41, 1
store i32 %43, i32* %ehselector.slot
call void @llvm.eh.endcatch() #2
br label %eh.resume
lpad57: ; preds = %catch53
%44 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
cleanup
%45 = extractvalue { i8*, i32 } %44, 0
store i8* %45, i8** %exn.slot
%46 = extractvalue { i8*, i32 } %44, 1
store i32 %46, i32* %ehselector.slot
call void @llvm.eh.endcatch() #2
br label %eh.resume
eh.resume: ; preds = %lpad57, %lpad50, %lpad42, %lpad16, %lpad10
%exn61 = load i8*, i8** %exn.slot
%sel62 = load i32, i32* %ehselector.slot
%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn61, 0
%lpad.val63 = insertvalue { i8*, i32 } %lpad.val, i32 %sel62, 1
resume { i8*, i32 } %lpad.val63
unreachable: ; preds = %try.cont33, %try.cont19, %try.cont, %entry
unreachable
}
declare void @_CxxThrowException(i8*, %eh.ThrowInfo*)
declare i32 @__CxxFrameHandler3(...)
; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(i8*) #1
; Function Attrs: nounwind
declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #2
declare i32 @printf(i8*, ...) #3
; Function Attrs: nounwind
declare void @llvm.eh.endcatch() #2
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" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }
attributes #3 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #4 = { noreturn }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"PIC Level", i32 2}
!1 = !{!"clang version 3.7.0 (trunk 235214) (llvm/trunk 235213)"}
|
