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-rw-r--r--test/CodeGen/WinEH/cppeh-nested-1.ll199
1 files changed, 199 insertions, 0 deletions
diff --git a/test/CodeGen/WinEH/cppeh-nested-1.ll b/test/CodeGen/WinEH/cppeh-nested-1.ll
new file mode 100644
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+++ b/test/CodeGen/WinEH/cppeh-nested-1.ll
@@ -0,0 +1,199 @@
+; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
+; XFAIL: *
+
+; This test is based on the following code:
+;
+;void test()
+;{
+; try {
+; try {
+; may_throw();
+; } catch (int i) {
+; handle_int(i);
+; }
+; } catch (float f) {
+; handle_float(f);
+; }
+; done();
+;}
+
+; ModuleID = 'cppeh-nested-1.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"() #0 {
+; CHECK: entry:
+; CHECK: %i = alloca i32, align 4
+; CHECK: %f = alloca float, align 4
+; CHECK: call void (...)* @llvm.frameescape(i32* %i, float* %f)
+; 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
+ %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.cont
+
+; 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 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32* %i, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch" to i8*), i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), float* %f, i8* bitcast (i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch1")
+; CHECK: indirectbr i8* [[RECOVER]], [label %try.cont, 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.dispatch3
+
+; 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
+ %5 = load i32, i32* %i, align 4
+ invoke void @"\01?handle_int@@YAXH@Z"(i32 %5)
+ to label %invoke.cont2 unwind label %lpad1
+
+; CHECK-NOT: invoke.cont2:
+invoke.cont2: ; preds = %catch
+ call void @llvm.eh.endcatch() #3
+ br label %try.cont
+
+try.cont: ; preds = %invoke.cont2, %invoke.cont
+ br label %try.cont10
+
+; CHECK-NOT: lpad1:
+lpad1: ; preds = %catch
+ %6 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
+ catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
+ %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() #3
+ br label %catch.dispatch3
+
+; CHECK-NOT: catch.dispatch3:
+catch.dispatch3: ; preds = %lpad1, %catch.dispatch
+ %sel4 = load i32, i32* %ehselector.slot
+ %9 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)) #3
+ %matches5 = icmp eq i32 %sel4, %9
+ br i1 %matches5, label %catch6, label %eh.resume
+
+; CHECK-NOT: catch6:
+catch6: ; preds = %catch.dispatch3
+ %exn7 = load i8*, i8** %exn.slot
+ %10 = bitcast float* %f to i8*
+ call void @llvm.eh.begincatch(i8* %exn7, i8* %10) #3
+ %11 = load float, float* %f, align 4
+ call void @"\01?handle_float@@YAXM@Z"(float %11)
+ call void @llvm.eh.endcatch() #3
+ br label %try.cont10
+
+try.cont10: ; preds = %catch6, %try.cont
+ call void @"\01?done@@YAXXZ"()
+ ret void
+
+; CHECK-NOT: eh.resume:
+eh.resume: ; %catch.dispatch3
+ %exn11 = load i8*, i8** %exn.slot
+ %sel12 = load i32, i32* %ehselector.slot
+ %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn11, 0
+ %lpad.val13 = insertvalue { i8*, i32 } %lpad.val, i32 %sel12, 1
+ resume { i8*, i32 } %lpad.val13
+; 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*
+; ------------================= FAIL here =================------------
+; 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: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4
+; CHECK: invoke void @"\01?handle_int@@YAXH@Z"(i32 [[TMP1]])
+; CHECK: to label %invoke.cont2 unwind label %[[LPAD1_LABEL:lpad[0-9]*]]
+;
+; CHECK: invoke.cont2:
+; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont)
+;
+; 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??_R0M@8" to i8*)
+; ------------================= FAIL here =================------------
+; CHECK: [[RECOVER1:\%.+]] = call i8* (...)* @llvm.eh.actions({ i8*, i32 } [[LPAD1_VAL]], i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), float* [[F_PTR]], i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch1")
+; CHECK: indirectbr i8* [[RECOVER1]], []
+;
+; CHECK: }
+
+; CHECK: define internal i8* @"\01?test@@YAXXZ.catch1"(i8*, i8*) {
+; CHECK: entry:
+; CHECK: [[RECOVER_F1:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
+; CHECK: [[F_PTR1:\%.+]] = bitcast i8* [[RECOVER_F1]] to float*
+; CHECK: [[TMP2:\%.+]] = load float, float* [[F_PTR1]], align 4
+; CHECK: call void @"\01?handle_float@@YAXM@Z"(float [[TMP2]])
+; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont10)
+; 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
+
+declare void @"\01?handle_int@@YAXH@Z"(i32) #1
+
+; Function Attrs: nounwind
+declare void @llvm.eh.endcatch() #3
+
+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)"}
generated by cgit v1.1 at 2024-12-22 10:18:26 +0000