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llvm-6502/test/CodeGen/WinEH/cppeh-nested-3.ll
Sunil Srivastava 561c44fc33 Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 
One code change and several test changes to match that
details in http://reviews.llvm.org/D9481


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237150 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-12 16:47:30 +00:00

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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:
;
;void test()
;{
; try {
; try {
; may_throw();
; } catch (int i) {
; try {
; may_throw();
; }
; catch (int j) {
; i = j;
; }
; handle_int(i);
; }
; } catch (float f) {
; handle_float(f);
; }
; done();
;}
; ModuleID = 'cppeh-nested-3.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] }
$"\01??_R0M@8" = comdat any
$"\01??_R0H@8" = comdat any
@"\01??_7type_info@@6B@" = external constant i8*
@"\01??_R0M@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".M\00" }, comdat
@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
; CHECK: define void @"\01?test@@YAXXZ"()
; CHECK: entry:
; CHECK: %i = alloca i32, align 4
; CHECK: %j = alloca i32, align 4
; CHECK: %f = alloca float, align 4
; CHECK: call void (...) @llvm.frameescape(i32* %i, float* %f, i32* %j)
; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
; Function Attrs: uwtable
define void @"\01?test@@YAXXZ"() #0 {
entry:
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%i = alloca i32, align 4
%j = alloca i32, align 4
%f = alloca float, align 4
invoke void @"\01?may_throw@@YAXXZ"()
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
br label %try.cont10
; CHECK: [[LPAD_LABEL]]:
; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
; CHECK: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32 0, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch", i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.1")
; CHECK: indirectbr i8* [[RECOVER]], [label %try.cont19, label %try.cont10]
lpad: ; preds = %entry
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
%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
; CHECK-NOT: catch.dispatch:
catch.dispatch: ; preds = %lpad
%sel = load i32, i32* %ehselector.slot
%3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3
%matches = icmp eq i32 %sel, %3
br i1 %matches, label %catch, label %catch.dispatch11
; CHECK-NOT: catch:
catch: ; preds = %catch.dispatch
%exn = load i8*, i8** %exn.slot
%4 = bitcast i32* %i to i8*
call void @llvm.eh.begincatch(i8* %exn, i8* %4) #3
invoke void @"\01?may_throw@@YAXXZ"()
to label %invoke.cont2 unwind label %lpad1
; CHECK-NOT: invoke.cont2:
invoke.cont2: ; preds = %catch
br label %try.cont
; CHECK-NOT: lpad1:
lpad1: ; preds = %catch
%5 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
%6 = extractvalue { i8*, i32 } %5, 0
store i8* %6, i8** %exn.slot
%7 = extractvalue { i8*, i32 } %5, 1
store i32 %7, i32* %ehselector.slot
br label %catch.dispatch3
; CHECK-NOT: catch.dispatch3:
catch.dispatch3: ; preds = %lpad1
%sel4 = load i32, i32* %ehselector.slot
%8 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3
%matches5 = icmp eq i32 %sel4, %8
br i1 %matches5, label %catch6, label %catch.dispatch11
; CHECK-NOT: catch6:
catch6: ; preds = %catch.dispatch3
%exn7 = load i8*, i8** %exn.slot
%9 = bitcast i32* %j to i8*
call void @llvm.eh.begincatch(i8* %exn7, i8* %9) #3
%10 = load i32, i32* %j, align 4
store i32 %10, i32* %i, align 4
call void @llvm.eh.endcatch() #3
br label %try.cont
; CHECK-NOT: try.cont:
try.cont: ; preds = %catch6, %invoke.cont2
%11 = load i32, i32* %i, align 4
invoke void @"\01?handle_int@@YAXH@Z"(i32 %11)
to label %invoke.cont9 unwind label %lpad8
; CHECK-NOT: invoke.cont9:
invoke.cont9: ; preds = %try.cont
call void @llvm.eh.endcatch() #3
br label %try.cont10
try.cont10: ; preds = %invoke.cont9, %invoke.cont
br label %try.cont19
; CHECK-NOT: lpad8:
lpad8: ; preds = %try.cont
%12 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
%13 = extractvalue { i8*, i32 } %12, 0
store i8* %13, i8** %exn.slot
%14 = extractvalue { i8*, i32 } %12, 1
store i32 %14, i32* %ehselector.slot
call void @llvm.eh.endcatch() #3
br label %catch.dispatch11
; CHECK-NOT: catch.dispatch11:
catch.dispatch11: ; preds = %lpad8, %catch.dispatch3, %catch.dispatch
%sel12 = load i32, i32* %ehselector.slot
%15 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)) #3
%matches13 = icmp eq i32 %sel12, %15
br i1 %matches13, label %catch14, label %eh.resume
; CHECK-NOT: catch14:
catch14: ; preds = %catch.dispatch11
%exn15 = load i8*, i8** %exn.slot
%16 = bitcast float* %f to i8*
call void @llvm.eh.begincatch(i8* %exn15, i8* %16) #3
%17 = load float, float* %f, align 4
call void @"\01?handle_float@@YAXM@Z"(float %17)
call void @llvm.eh.endcatch() #3
br label %try.cont19
try.cont19: ; preds = %catch14, %try.cont10
call void @"\01?done@@YAXXZ"()
ret void
; CHECK-NOT: eh.resume:
eh.resume: ; preds = %lpad16, %catch.dispatch11
%exn20 = load i8*, i8** %exn.slot
%sel21 = load i32, i32* %ehselector.slot
%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn20, 0
%lpad.val22 = insertvalue { i8*, i32 } %lpad.val, i32 %sel21, 1
resume { i8*, i32 } %lpad.val22
; CHECK: }
}
; CHECK: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*)
; CHECK: entry:
; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32*
; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
; CHECK: to label %invoke.cont2 unwind label %[[LPAD1_LABEL:lpad[0-9]*]]
;
; CHECK: invoke.cont2: ; preds = %[[LPAD1_LABEL]], %entry
; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4
; CHECK: invoke void @"\01?handle_int@@YAXH@Z"(i32 [[TMP1]])
; CHECK: to label %invoke.cont9 unwind label %[[LPAD8_LABEL:lpad[0-9]*]]
;
; CHECK: [[LPAD1_LABEL]]:{{[ ]+}}; preds = %entry
; CHECK: [[LPAD1_VAL:\%.+]] = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
; CHECK: [[RECOVER1:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.2", i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.1")
; CHECK: indirectbr i8* [[RECOVER1]], [label %invoke.cont2]
;
; CHECK: invoke.cont9:
; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont10)
;
; CHECK: [[LPAD8_LABEL]]:{{[ ]+}}; preds = %invoke.cont2
; CHECK: [[LPAD8_VAL:\%.+]] = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
; CHECK: [[RECOVER2:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.1")
; CHECK: indirectbr i8* [[RECOVER2]], []
;
; CHECK: }
; CHECK: define internal i8* @"\01?test@@YAXXZ.catch.1"(i8*, i8*)
; CHECK: entry:
; CHECK: [[RECOVER_F:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
; CHECK: [[F_PTR:\%.+]] = bitcast i8* [[RECOVER_F]] to float*
; CHECK: [[TMP2:\%.+]] = load float, float* [[F_PTR]], align 4
; CHECK: call void @"\01?handle_float@@YAXM@Z"(float [[TMP2]])
; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont19)
; CHECK: }
; CHECK: define internal i8* @"\01?test@@YAXXZ.catch.2"(i8*, i8*)
; CHECK: entry:
; CHECK: [[RECOVER_J:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 2)
; CHECK: [[J_PTR:\%.+]] = bitcast i8* [[RECOVER_J]] to i32*
; CHECK: [[RECOVER_I1:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
; CHECK: [[I_PTR1:\%.+]] = bitcast i8* [[RECOVER_I1]] to i32*
; CHECK: [[TMP3:\%.+]] = load i32, i32* [[J_PTR]], align 4
; CHECK: store i32 [[TMP3]], i32* [[I_PTR1]]
; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ.catch", %invoke.cont2)
; CHECK: }
declare void @"\01?may_throw@@YAXXZ"() #1
declare i32 @__CxxFrameHandler3(...)
; 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
declare void @"\01?handle_int@@YAXH@Z"(i32) #1
declare void @"\01?handle_float@@YAXM@Z"(float) #1
declare void @"\01?done@@YAXXZ"() #1
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 = { "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 #2 = { nounwind readnone }
attributes #3 = { nounwind }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"PIC Level", i32 2}
!1 = !{!"clang version 3.7.0 (trunk 232069) (llvm/trunk 232070)"}
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