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llvm-mirror/test/CodeGen/X86/cppeh-frame-vars.ll
Reid Kleckner 8e7faa02a8 WinEH: Run opt -instnamer over some cppeh tests and update CHECKs
In the future, we should run the output of clang through instnamer to
make it easier to manually edit test cases.

No functionality change.

llvm-svn: 231037
2015-03-03 00:05:35 +00:00

262 lines
11 KiB
LLVM

; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
; This test is based on the following code:
;
; struct SomeData {
; int a;
; int b;
; };
;
; void may_throw();
; void does_not_throw(int i);
; void dump(int *, int, SomeData&);
;
; void test() {
; int NumExceptions = 0;
; int ExceptionVal[10];
; SomeData Data = { 0, 0 };
;
; for (int i = 0; i < 10; ++i) {
; try {
; may_throw();
; Data.a += i;
; }
; catch (int e) {
; ExceptionVal[NumExceptions] = e;
; ++NumExceptions;
; if (e == i)
; Data.b += e;
; else
; Data.a += e;
; }
; does_not_throw(NumExceptions);
; }
; dump(ExceptionVal, NumExceptions, Data);
; }
; ModuleID = 'cppeh-frame-vars.cpp'
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"
%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
%struct.SomeData = type { i32, i32 }
; This structure should be declared for the frame allocation block.
; CHECK: %"struct.\01?test@@YAXXZ.ehdata" = type { i32, i8*, i32, i32, [10 x i32], i32, %struct.SomeData }
$"\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
; The function entry should be rewritten like this.
; CHECK: define void @"\01?test@@YAXXZ"() #0 {
; CHECK: entry:
; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 80)
; CHECK: %eh.data = bitcast i8* %frame.alloc to %"struct.\01?test@@YAXXZ.ehdata"*
; CHECK-NOT: %NumExceptions = alloca i32, align 4
; CHECK: %NumExceptions = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 3
; CHECK-NOT: %ExceptionVal = alloca [10 x i32], align 16
; CHECK: %ExceptionVal = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 4
; CHECK-NOT: %Data = alloca %struct.SomeData, align 4
; CHECK: %Data = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 6
; CHECK: %i = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 5
; CHECK: %exn.slot = alloca i8*
; CHECK: %ehselector.slot = alloca i32
; CHECK-NOT: %e = alloca i32, align 4
; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 2
; Function Attrs: uwtable
define void @"\01?test@@YAXXZ"() #0 {
entry:
%NumExceptions = alloca i32, align 4
%ExceptionVal = alloca [10 x i32], align 16
%Data = alloca %struct.SomeData, align 4
%i = alloca i32, align 4
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%e = alloca i32, align 4
store i32 0, i32* %NumExceptions, align 4
%tmp = bitcast %struct.SomeData* %Data to i8*
call void @llvm.memset(i8* %tmp, i8 0, i64 8, i32 4, i1 false)
store i32 0, i32* %i, align 4
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%tmp1 = load i32, i32* %i, align 4
%cmp = icmp slt i32 %tmp1, 10
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
invoke void @"\01?may_throw@@YAXXZ"()
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %for.body
%tmp2 = load i32, i32* %i, align 4
%a = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 0
%tmp3 = load i32, i32* %a, align 4
%add = add nsw i32 %tmp3, %tmp2
store i32 %add, i32* %a, align 4
br label %try.cont
lpad: ; preds = %for.body
%tmp4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
%tmp5 = extractvalue { i8*, i32 } %tmp4, 0
store i8* %tmp5, i8** %exn.slot
%tmp6 = extractvalue { i8*, i32 } %tmp4, 1
store i32 %tmp6, i32* %ehselector.slot
br label %catch.dispatch
catch.dispatch: ; preds = %lpad
%sel = load i32, i32* %ehselector.slot
%tmp7 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #1
%matches = icmp eq i32 %sel, %tmp7
br i1 %matches, label %catch, label %eh.resume
catch: ; preds = %catch.dispatch
%exn = load i8*, i8** %exn.slot
%tmp8 = call i8* @llvm.eh.begincatch(i8* %exn) #1
%tmp9 = bitcast i8* %tmp8 to i32*
%tmp10 = load i32, i32* %tmp9, align 4
store i32 %tmp10, i32* %e, align 4
%tmp11 = load i32, i32* %e, align 4
%tmp12 = load i32, i32* %NumExceptions, align 4
%idxprom = sext i32 %tmp12 to i64
%arrayidx = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i32 0, i64 %idxprom
store i32 %tmp11, i32* %arrayidx, align 4
%tmp13 = load i32, i32* %NumExceptions, align 4
%inc = add nsw i32 %tmp13, 1
store i32 %inc, i32* %NumExceptions, align 4
%tmp14 = load i32, i32* %e, align 4
%tmp15 = load i32, i32* %i, align 4
%cmp1 = icmp eq i32 %tmp14, %tmp15
br i1 %cmp1, label %if.then, label %if.else
if.then: ; preds = %catch
%tmp16 = load i32, i32* %e, align 4
%b = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 1
%tmp17 = load i32, i32* %b, align 4
%add2 = add nsw i32 %tmp17, %tmp16
store i32 %add2, i32* %b, align 4
br label %if.end
if.else: ; preds = %catch
%tmp18 = load i32, i32* %e, align 4
%a3 = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 0
%tmp19 = load i32, i32* %a3, align 4
%add4 = add nsw i32 %tmp19, %tmp18
store i32 %add4, i32* %a3, align 4
br label %if.end
if.end: ; preds = %if.else, %if.then
call void @llvm.eh.endcatch() #1
br label %try.cont
try.cont: ; preds = %if.end, %invoke.cont
%tmp20 = load i32, i32* %NumExceptions, align 4
call void @"\01?does_not_throw@@YAXH@Z"(i32 %tmp20)
br label %for.inc
for.inc: ; preds = %try.cont
%tmp21 = load i32, i32* %i, align 4
%inc5 = add nsw i32 %tmp21, 1
store i32 %inc5, i32* %i, align 4
br label %for.cond
for.end: ; preds = %for.cond
%tmp22 = load i32, i32* %NumExceptions, align 4
%arraydecay = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i32 0, i32 0
call void @"\01?dump@@YAXPEAHHAEAUSomeData@@@Z"(i32* %arraydecay, i32 %tmp22, %struct.SomeData* dereferenceable(8) %Data)
ret void
eh.resume: ; preds = %catch.dispatch
%exn6 = load i8*, i8** %exn.slot
%sel7 = load i32, i32* %ehselector.slot
%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn6, 0
%lpad.val8 = insertvalue { i8*, i32 } %lpad.val, i32 %sel7, 1
resume { i8*, i32 } %lpad.val8
}
; The following catch handler should be outlined.
; CHECK-LABEL: define i8* @"\01?test@@YAXXZ.catch"(i8*, i8*) {
; CHECK: catch.entry:
; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1)
; CHECK: %eh.data = bitcast i8* %eh.alloc to %"struct.\01?test@@YAXXZ.ehdata"*
; CHECK: %eh.obj.ptr = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 1
; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr
; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 2
; CHECK: %NumExceptions = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 3
; CHECK: %ExceptionVal = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 4
; CHECK: %i = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 5
; CHECK: %Data = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 6
; CHECK: %tmp9 = bitcast i8* %eh.obj to i32*
; CHECK: %tmp10 = load i32, i32* %tmp9, align 4
; CHECK: store i32 %tmp10, i32* %e, align 4
; CHECK: %tmp11 = load i32, i32* %e, align 4
; CHECK: %tmp12 = load i32, i32* %NumExceptions, align 4
; CHECK: %idxprom = sext i32 %tmp12 to i64
; CHECK: %arrayidx = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i32 0, i64 %idxprom
; CHECK: store i32 %tmp11, i32* %arrayidx, align 4
; CHECK: %tmp13 = load i32, i32* %NumExceptions, align 4
; CHECK: %inc = add nsw i32 %tmp13, 1
; CHECK: store i32 %inc, i32* %NumExceptions, align 4
; CHECK: %tmp14 = load i32, i32* %e, align 4
; CHECK: %tmp15 = load i32, i32* %i, align 4
; CHECK: %cmp1 = icmp eq i32 %tmp14, %tmp15
; CHECK: br i1 %cmp1, label %if.then, label %if.else
;
; CHECK: if.then: ; preds = %catch.entry
; CHECK: %tmp16 = load i32, i32* %e, align 4
; CHECK: %b = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 1
; CHECK: %tmp17 = load i32, i32* %b, align 4
; CHECK: %add2 = add nsw i32 %tmp17, %tmp16
; CHECK: store i32 %add2, i32* %b, align 4
; CHECK: br label %if.end
;
; CHECK: if.else: ; preds = %catch.entry
; CHECK: %tmp18 = load i32, i32* %e, align 4
; CHECK: %a3 = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 0
; CHECK: %tmp19 = load i32, i32* %a3, align 4
; CHECK: %add4 = add nsw i32 %tmp19, %tmp18
; CHECK: store i32 %add4, i32* %a3, align 4
; CHECK: br label %if.end
;
; CHECK: if.end: ; preds = %if.else, %if.then
; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont)
; CHECK: }
; Function Attrs: nounwind
declare void @llvm.memset(i8* nocapture, i8, i64, i32, i1) #1
declare void @"\01?may_throw@@YAXXZ"() #2
declare i32 @__CxxFrameHandler3(...)
; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(i8*) #3
declare i8* @llvm.eh.begincatch(i8*)
declare void @llvm.eh.endcatch()
declare void @"\01?does_not_throw@@YAXH@Z"(i32) #2
declare void @"\01?dump@@YAXPEAHHAEAUSomeData@@@Z"(i32*, i32, %struct.SomeData* dereferenceable(8)) #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" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind }
attributes #2 = { "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 #3 = { nounwind readnone }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"PIC Level", i32 2}
!1 = !{!"clang version 3.7.0 (trunk 228868)"}