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https://github.com/c64scene-ar/llvm-6502.git
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cc714e2142
The personality routine currently lives in the LandingPadInst. This isn't desirable because: - All LandingPadInsts in the same function must have the same personality routine. This means that each LandingPadInst beyond the first has an operand which produces no additional information. - There is ongoing work to introduce EH IR constructs other than LandingPadInst. Moving the personality routine off of any one particular Instruction and onto the parent function seems a lot better than have N different places a personality function can sneak onto an exceptional function. Differential Revision: http://reviews.llvm.org/D10429 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239940 91177308-0d34-0410-b5e6-96231b3b80d8
261 lines
11 KiB
LLVM
261 lines
11 KiB
LLVM
; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
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; This test is based on the following code:
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;
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;void test()
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;{
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; try {
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; try {
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; may_throw();
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; } catch (int i) {
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; try {
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; may_throw();
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; }
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; catch (int j) {
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; i = j;
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; }
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; handle_int(i);
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; }
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; } catch (float f) {
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; handle_float(f);
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; }
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; done();
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;}
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; ModuleID = 'cppeh-nested-3.cpp'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc"
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%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
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$"\01??_R0M@8" = comdat any
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$"\01??_R0H@8" = comdat any
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@"\01??_7type_info@@6B@" = external constant i8*
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@"\01??_R0M@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".M\00" }, comdat
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@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
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; CHECK: define void @"\01?test@@YAXXZ"()
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; CHECK: entry:
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; CHECK: %i = alloca i32, align 4
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; CHECK: %j = alloca i32, align 4
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; CHECK: %f = alloca float, align 4
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; CHECK: call void (...) @llvm.frameescape(i32* %j, i32* %i, float* %f)
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; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
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; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
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; Function Attrs: uwtable
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define void @"\01?test@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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entry:
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%exn.slot = alloca i8*
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%ehselector.slot = alloca i32
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%i = alloca i32, align 4
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%j = alloca i32, align 4
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%f = alloca float, align 4
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invoke void @"\01?may_throw@@YAXXZ"()
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to label %invoke.cont unwind label %lpad
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invoke.cont: ; preds = %entry
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br label %try.cont10
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; CHECK: [[LPAD_LABEL]]:
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; CHECK: landingpad { i8*, i32 }
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; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
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; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
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; CHECK: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.2", i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.1")
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; CHECK: indirectbr i8* [[RECOVER]], [label %try.cont10, label %try.cont19]
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lpad: ; preds = %entry
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%0 = landingpad { i8*, i32 }
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catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
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catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
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%1 = extractvalue { i8*, i32 } %0, 0
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store i8* %1, i8** %exn.slot
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%2 = extractvalue { i8*, i32 } %0, 1
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store i32 %2, i32* %ehselector.slot
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br label %catch.dispatch
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; CHECK-NOT: catch.dispatch:
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catch.dispatch: ; preds = %lpad
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%sel = load i32, i32* %ehselector.slot
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%3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3
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%matches = icmp eq i32 %sel, %3
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br i1 %matches, label %catch, label %catch.dispatch11
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; CHECK-NOT: catch:
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catch: ; preds = %catch.dispatch
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%exn = load i8*, i8** %exn.slot
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%4 = bitcast i32* %i to i8*
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call void @llvm.eh.begincatch(i8* %exn, i8* %4) #3
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invoke void @"\01?may_throw@@YAXXZ"()
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to label %invoke.cont2 unwind label %lpad1
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; CHECK-NOT: invoke.cont2:
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invoke.cont2: ; preds = %catch
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br label %try.cont
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; CHECK-NOT: lpad1:
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lpad1: ; preds = %catch
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%5 = landingpad { i8*, i32 }
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catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
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catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
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%6 = extractvalue { i8*, i32 } %5, 0
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store i8* %6, i8** %exn.slot
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%7 = extractvalue { i8*, i32 } %5, 1
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store i32 %7, i32* %ehselector.slot
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br label %catch.dispatch3
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; CHECK-NOT: catch.dispatch3:
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catch.dispatch3: ; preds = %lpad1
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%sel4 = load i32, i32* %ehselector.slot
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%8 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3
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%matches5 = icmp eq i32 %sel4, %8
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br i1 %matches5, label %catch6, label %catch.dispatch11
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; CHECK-NOT: catch6:
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catch6: ; preds = %catch.dispatch3
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%exn7 = load i8*, i8** %exn.slot
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%9 = bitcast i32* %j to i8*
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call void @llvm.eh.begincatch(i8* %exn7, i8* %9) #3
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%10 = load i32, i32* %j, align 4
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store i32 %10, i32* %i, align 4
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call void @llvm.eh.endcatch() #3
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br label %try.cont
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; CHECK-NOT: try.cont:
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try.cont: ; preds = %catch6, %invoke.cont2
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%11 = load i32, i32* %i, align 4
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invoke void @"\01?handle_int@@YAXH@Z"(i32 %11)
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to label %invoke.cont9 unwind label %lpad8
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; CHECK-NOT: invoke.cont9:
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invoke.cont9: ; preds = %try.cont
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call void @llvm.eh.endcatch() #3
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br label %try.cont10
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try.cont10: ; preds = %invoke.cont9, %invoke.cont
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br label %try.cont19
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; CHECK-NOT: lpad8:
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lpad8: ; preds = %try.cont
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%12 = landingpad { i8*, i32 }
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catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
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%13 = extractvalue { i8*, i32 } %12, 0
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store i8* %13, i8** %exn.slot
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%14 = extractvalue { i8*, i32 } %12, 1
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store i32 %14, i32* %ehselector.slot
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call void @llvm.eh.endcatch() #3
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br label %catch.dispatch11
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; CHECK-NOT: catch.dispatch11:
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catch.dispatch11: ; preds = %lpad8, %catch.dispatch3, %catch.dispatch
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%sel12 = load i32, i32* %ehselector.slot
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%15 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)) #3
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%matches13 = icmp eq i32 %sel12, %15
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br i1 %matches13, label %catch14, label %eh.resume
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; CHECK-NOT: catch14:
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catch14: ; preds = %catch.dispatch11
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%exn15 = load i8*, i8** %exn.slot
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%16 = bitcast float* %f to i8*
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call void @llvm.eh.begincatch(i8* %exn15, i8* %16) #3
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%17 = load float, float* %f, align 4
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call void @"\01?handle_float@@YAXM@Z"(float %17)
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call void @llvm.eh.endcatch() #3
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br label %try.cont19
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try.cont19: ; preds = %catch14, %try.cont10
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call void @"\01?done@@YAXXZ"()
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ret void
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; CHECK-NOT: eh.resume:
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eh.resume: ; preds = %lpad16, %catch.dispatch11
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%exn20 = load i8*, i8** %exn.slot
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%sel21 = load i32, i32* %ehselector.slot
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%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn20, 0
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%lpad.val22 = insertvalue { i8*, i32 } %lpad.val, i32 %sel21, 1
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resume { i8*, i32 } %lpad.val22
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; CHECK: }
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}
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; CHECK: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*)
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; CHECK: entry:
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; CHECK: [[RECOVER_J:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
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; CHECK: [[J_PTR:\%.+]] = bitcast i8* [[RECOVER_J]] to i32*
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; CHECK: [[RECOVER_I1:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
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; CHECK: [[I_PTR1:\%.+]] = bitcast i8* [[RECOVER_I1]] to i32*
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; CHECK: [[TMP3:\%.+]] = load i32, i32* [[J_PTR]], align 4
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; CHECK: store i32 [[TMP3]], i32* [[I_PTR1]]
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; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ.catch.2", %invoke.cont2)
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; CHECK: }
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; CHECK: define internal i8* @"\01?test@@YAXXZ.catch.1"(i8*, i8*)
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; CHECK: entry:
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; CHECK: [[RECOVER_F:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 2)
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; CHECK: [[F_PTR:\%.+]] = bitcast i8* [[RECOVER_F]] to float*
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; CHECK: [[TMP2:\%.+]] = load float, float* [[F_PTR]], align 4
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; CHECK: call void @"\01?handle_float@@YAXM@Z"(float [[TMP2]])
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; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont19)
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; CHECK: }
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; CHECK: define internal i8* @"\01?test@@YAXXZ.catch.2"(i8*, i8*)
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; CHECK: entry:
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; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 1)
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; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32*
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; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
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; CHECK: to label %invoke.cont2 unwind label %[[LPAD1_LABEL:lpad[0-9]*]]
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;
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; CHECK: invoke.cont2: ; preds = %[[LPAD1_LABEL]], %entry
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; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4
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; CHECK: invoke void @"\01?handle_int@@YAXH@Z"(i32 [[TMP1]])
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; CHECK: to label %invoke.cont9 unwind label %[[LPAD8_LABEL:lpad[0-9]*]]
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;
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; CHECK: [[LPAD1_LABEL]]:{{[ ]+}}; preds = %entry
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; CHECK: [[LPAD1_VAL:\%.+]] = landingpad { i8*, i32 }
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; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
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; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
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; CHECK: [[RECOVER1:\%.+]] = 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 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.1")
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; CHECK: indirectbr i8* [[RECOVER1]], [label %invoke.cont2]
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;
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; CHECK: invoke.cont9:
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; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont10)
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;
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; CHECK: [[LPAD8_LABEL]]:{{[ ]+}}; preds = %invoke.cont2
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; CHECK: [[LPAD8_VAL:\%.+]] = landingpad { i8*, i32 }
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; CHECK: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*)
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; CHECK: [[RECOVER2:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0M@8" to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch.1")
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; CHECK: indirectbr i8* [[RECOVER2]], []
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;
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; CHECK: }
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declare void @"\01?may_throw@@YAXXZ"() #1
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declare i32 @__CxxFrameHandler3(...)
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; Function Attrs: nounwind readnone
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declare i32 @llvm.eh.typeid.for(i8*) #2
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; Function Attrs: nounwind
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declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3
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; Function Attrs: nounwind
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declare void @llvm.eh.endcatch() #3
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declare void @"\01?handle_int@@YAXH@Z"(i32) #1
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declare void @"\01?handle_float@@YAXM@Z"(float) #1
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declare void @"\01?done@@YAXXZ"() #1
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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" }
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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" }
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attributes #2 = { nounwind readnone }
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attributes #3 = { nounwind }
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"PIC Level", i32 2}
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!1 = !{!"clang version 3.7.0 (trunk 232069) (llvm/trunk 232070)"}
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