| ; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s |
| |
| ; This test is based on the following code: |
| ; |
| ; class Inner { |
| ; public: |
| ; Inner(); |
| ; ~Inner(); |
| ; }; |
| ; class Outer { |
| ; public: |
| ; Outer(); |
| ; ~Outer(); |
| ; }; |
| ; void test() { |
| ; try { |
| ; Outer outer; |
| ; try { |
| ; Inner inner; |
| ; may_throw(); |
| ; } catch (int i) { |
| ; handle_int(i); |
| ; } |
| ; } catch (float f) { |
| ; handle_float(f); |
| ; } |
| ; done(); |
| ; } |
| |
| ; ModuleID = 'nested-2.cpp' |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-pc-windows-msvc" |
| |
| %class.Outer = type { i8 } |
| %class.Inner = type { i8 } |
| |
| @_ZTIf = external constant i8* |
| @_ZTIi = external constant i8* |
| |
| ; The function entry should be rewritten like this. |
| ; CHECK: define void @_Z4testv() |
| ; CHECK: entry: |
| ; CHECK: %outer = alloca %class.Outer, align 1 |
| ; CHECK: %inner = alloca %class.Inner, align 1 |
| ; CHECK: %i = alloca i32, align 4 |
| ; CHECK: %f = alloca float, align 4 |
| ; CHECK: call void (...) @llvm.localescape(float* %f, i32* %i, %class.Outer* %outer, %class.Inner* %inner) |
| ; CHECK: invoke void @_ZN5OuterC1Ev(%class.Outer* %outer) |
| ; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]] |
| |
| ; Function Attrs: uwtable |
| define void @_Z4testv() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { |
| entry: |
| %outer = alloca %class.Outer, align 1 |
| %exn.slot = alloca i8* |
| %ehselector.slot = alloca i32 |
| %inner = alloca %class.Inner, align 1 |
| %i = alloca i32, align 4 |
| %f = alloca float, align 4 |
| invoke void @_ZN5OuterC1Ev(%class.Outer* %outer) |
| to label %invoke.cont unwind label %lpad |
| |
| ; CHECK: invoke.cont: |
| ; CHECK: invoke void @_ZN5InnerC1Ev(%class.Inner* %inner) |
| ; CHECK: to label %invoke.cont2 unwind label %[[LPAD1_LABEL:lpad[0-9]*]] |
| |
| invoke.cont: ; preds = %entry |
| invoke void @_ZN5InnerC1Ev(%class.Inner* %inner) |
| to label %invoke.cont2 unwind label %lpad1 |
| |
| ; CHECK: invoke.cont2: |
| ; CHECK: invoke void @_Z9may_throwv() |
| ; CHECK: to label %invoke.cont4 unwind label %[[LPAD3_LABEL:lpad[0-9]*]] |
| |
| invoke.cont2: ; preds = %invoke.cont |
| invoke void @_Z9may_throwv() |
| to label %invoke.cont4 unwind label %lpad3 |
| |
| ; CHECK: invoke.cont4: |
| ; CHECK: invoke void @_ZN5InnerD1Ev(%class.Inner* %inner) |
| ; CHECK: to label %invoke.cont5 unwind label %[[LPAD1_LABEL]] |
| |
| invoke.cont4: ; preds = %invoke.cont2 |
| invoke void @_ZN5InnerD1Ev(%class.Inner* %inner) |
| to label %invoke.cont5 unwind label %lpad1 |
| |
| ; CHECK: invoke.cont5: |
| ; CHECK: br label %try.cont |
| |
| invoke.cont5: ; preds = %invoke.cont4 |
| br label %try.cont |
| |
| ; CHECK: [[LPAD_LABEL]]: |
| ; CHECK: landingpad { i8*, i32 } |
| ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIf to i8*) |
| ; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (i8** @_ZTIf to i8*), i32 0, i8* (i8*, i8*)* @_Z4testv.catch) |
| ; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %try.cont19] |
| |
| lpad: ; preds = %try.cont, %entry |
| %tmp = landingpad { i8*, i32 } |
| catch i8* bitcast (i8** @_ZTIf to i8*) |
| %tmp1 = extractvalue { i8*, i32 } %tmp, 0 |
| store i8* %tmp1, i8** %exn.slot |
| %tmp2 = extractvalue { i8*, i32 } %tmp, 1 |
| store i32 %tmp2, i32* %ehselector.slot |
| br label %catch.dispatch11 |
| |
| ; CHECK: [[LPAD1_LABEL]]: |
| ; CHECK: landingpad { i8*, i32 } |
| ; CHECK-NEXT: cleanup |
| ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*) |
| ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIf to i8*) |
| ; CHECK-NEXT: [[RECOVER1:\%.+]] = call i8* (...) @llvm.eh.actions( |
| ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIi to i8*), i32 1, i8* (i8*, i8*)* @_Z4testv.catch.1, |
| ; CHECK-SAME: i32 0, void (i8*, i8*)* @_Z4testv.cleanup, |
| ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIf to i8*), i32 0, i8* (i8*, i8*)* @_Z4testv.catch) |
| ; CHECK-NEXT: indirectbr i8* [[RECOVER1]], [label %try.cont, label %try.cont19] |
| |
| lpad1: ; preds = %invoke.cont4, %invoke.cont |
| %tmp3 = landingpad { i8*, i32 } |
| cleanup |
| catch i8* bitcast (i8** @_ZTIi to i8*) |
| catch i8* bitcast (i8** @_ZTIf to i8*) |
| %tmp4 = extractvalue { i8*, i32 } %tmp3, 0 |
| store i8* %tmp4, i8** %exn.slot |
| %tmp5 = extractvalue { i8*, i32 } %tmp3, 1 |
| store i32 %tmp5, i32* %ehselector.slot |
| br label %catch.dispatch |
| |
| ; CHECK: [[LPAD3_LABEL]]: |
| ; CHECK: landingpad { i8*, i32 } |
| ; CHECK-NEXT: cleanup |
| ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*) |
| ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIf to i8*) |
| ; CHECK-NEXT: [[RECOVER3:\%.+]] = call i8* (...) @llvm.eh.actions( |
| ; CHECK-SAME: i32 0, void (i8*, i8*)* @_Z4testv.cleanup.2, |
| ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIi to i8*), i32 1, i8* (i8*, i8*)* @_Z4testv.catch.1, |
| ; CHECK-SAME: i32 0, void (i8*, i8*)* @_Z4testv.cleanup, |
| ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIf to i8*), i32 0, i8* (i8*, i8*)* @_Z4testv.catch) |
| ; CHECK-NEXT: indirectbr i8* [[RECOVER3]], [label %try.cont, label %try.cont19] |
| |
| lpad3: ; preds = %invoke.cont2 |
| %tmp6 = landingpad { i8*, i32 } |
| cleanup |
| catch i8* bitcast (i8** @_ZTIi to i8*) |
| catch i8* bitcast (i8** @_ZTIf to i8*) |
| %tmp7 = extractvalue { i8*, i32 } %tmp6, 0 |
| store i8* %tmp7, i8** %exn.slot |
| %tmp8 = extractvalue { i8*, i32 } %tmp6, 1 |
| store i32 %tmp8, i32* %ehselector.slot |
| call void @_ZN5InnerD1Ev(%class.Inner* %inner) |
| br label %catch.dispatch |
| |
| ; CHECK-NOT: catch.dispatch: |
| |
| catch.dispatch: ; preds = %lpad3, %lpad1 |
| %sel = load i32, i32* %ehselector.slot |
| %tmp9 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #4 |
| %matches = icmp eq i32 %sel, %tmp9 |
| br i1 %matches, label %catch, label %ehcleanup |
| |
| ; CHECK-NOT: catch: |
| |
| catch: ; preds = %catch.dispatch |
| %exn = load i8*, i8** %exn.slot |
| %i.i8 = bitcast i32* %i to i8* |
| call void @llvm.eh.begincatch(i8* %exn, i8* %i.i8) #4 |
| %tmp13 = load i32, i32* %i, align 4 |
| invoke void @_Z10handle_inti(i32 %tmp13) |
| to label %invoke.cont8 unwind label %lpad7 |
| |
| ; CHECK-NOT: invoke.cont8: |
| |
| invoke.cont8: ; preds = %catch |
| call void @llvm.eh.endcatch() #4 |
| br label %try.cont |
| |
| ; CHECK: try.cont: |
| ; CHECK: invoke void @_ZN5OuterD1Ev(%class.Outer* %outer) |
| ; CHECK: to label %invoke.cont9 unwind label %[[LPAD_LABEL]] |
| |
| try.cont: ; preds = %invoke.cont8, %invoke.cont5 |
| invoke void @_ZN5OuterD1Ev(%class.Outer* %outer) |
| to label %invoke.cont9 unwind label %lpad |
| |
| invoke.cont9: ; preds = %try.cont |
| br label %try.cont19 |
| |
| ; CHECK-NOT: lpad7: |
| |
| lpad7: ; preds = %catch |
| %tmp14 = landingpad { i8*, i32 } |
| cleanup |
| catch i8* bitcast (i8** @_ZTIf to i8*) |
| %tmp15 = extractvalue { i8*, i32 } %tmp14, 0 |
| store i8* %tmp15, i8** %exn.slot |
| %tmp16 = extractvalue { i8*, i32 } %tmp14, 1 |
| store i32 %tmp16, i32* %ehselector.slot |
| call void @llvm.eh.endcatch() #4 |
| br label %ehcleanup |
| |
| ; CHECK-NOT: ehcleanup: ; preds = %lpad7, %catch.dispatch |
| |
| ehcleanup: ; preds = %lpad7, %catch.dispatch |
| call void @_ZN5OuterD1Ev(%class.Outer* %outer) |
| br label %catch.dispatch11 |
| |
| ; CHECK-NOT: catch.dispatch11: |
| |
| catch.dispatch11: ; preds = %ehcleanup, %lpad |
| %sel12 = load i32, i32* %ehselector.slot |
| %tmp17 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIf to i8*)) #4 |
| %matches13 = icmp eq i32 %sel12, %tmp17 |
| br i1 %matches13, label %catch14, label %eh.resume |
| |
| ; CHECK-NOT: catch14: |
| |
| catch14: ; preds = %catch.dispatch11 |
| %exn15 = load i8*, i8** %exn.slot |
| %f.i8 = bitcast float* %f to i8* |
| call void @llvm.eh.begincatch(i8* %exn15, i8* %f.i8) #4 |
| %tmp21 = load float, float* %f, align 4 |
| call void @_Z12handle_floatf(float %tmp21) |
| call void @llvm.eh.endcatch() #4 |
| br label %try.cont19 |
| |
| try.cont19: ; preds = %catch14, %invoke.cont9 |
| call void @_Z4donev() |
| ret void |
| |
| ; CHECK-NOT: eh.resume: |
| |
| eh.resume: ; preds = %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: } |
| } |
| |
| ; This catch handler should be outlined. |
| ; CHECK: define internal i8* @_Z4testv.catch(i8*, i8*) |
| ; CHECK: entry: |
| ; CHECK: [[RECOVER_F:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 0) |
| ; CHECK: [[F_PTR:\%.+]] = bitcast i8* [[RECOVER_F]] to float* |
| ; CHECK: [[TMP:\%.+]] = load float, float* [[F_PTR]], align 4 |
| ; CHECK: call void @_Z12handle_floatf(float [[TMP]]) |
| ; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont19) |
| ; CHECK: } |
| |
| ; This catch handler should be outlined. |
| ; CHECK: define internal i8* @_Z4testv.catch.1(i8*, i8*) |
| ; CHECK: entry: |
| ; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 1) |
| ; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32* |
| ; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4 |
| ; CHECK: invoke void @_Z10handle_inti(i32 [[TMP1]]) |
| ; CHECK: to label %invoke.cont8 unwind label %[[LPAD7_LABEL:lpad[0-9]*]] |
| ; |
| ; CHECK: invoke.cont8: ; preds = %entry |
| ; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont) |
| ; |
| ; CHECK: [[LPAD7_LABEL]]:{{[ ]+}}; preds = %entry |
| ; CHECK: [[LPAD7_VAL:\%.+]] = landingpad { i8*, i32 } |
| ; (FIXME) The nested handler body isn't being populated yet. |
| ; CHECK: } |
| |
| ; This cleanup handler should be outlined. |
| ; CHECK: define internal void @_Z4testv.cleanup(i8*, i8*) |
| ; CHECK: entry: |
| ; CHECK: [[RECOVER_OUTER:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 2) |
| ; CHECK: [[OUTER_PTR:\%.+]] = bitcast i8* [[RECOVER_OUTER]] to %class.Outer* |
| ; CHECK: call void @_ZN5OuterD1Ev(%class.Outer* [[OUTER_PTR]]) |
| ; CHECK: ret void |
| ; CHECK: } |
| |
| ; This cleanup handler should be outlined. |
| ; CHECK: define internal void @_Z4testv.cleanup.2(i8*, i8*) |
| ; CHECK: entry: |
| ; CHECK: [[RECOVER_INNER:\%.+]] = call i8* @llvm.localrecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 3) |
| ; CHECK: [[INNER_PTR:\%.+]] = bitcast i8* [[RECOVER_INNER]] to %class.Inner* |
| ; CHECK: call void @_ZN5InnerD1Ev(%class.Inner* [[INNER_PTR]]) |
| ; CHECK: ret void |
| ; CHECK: } |
| |
| |
| |
| declare void @_ZN5OuterC1Ev(%class.Outer*) #1 |
| |
| declare i32 @__CxxFrameHandler3(...) |
| |
| declare void @_ZN5InnerC1Ev(%class.Inner*) #1 |
| |
| declare void @_Z9may_throwv() #1 |
| |
| declare void @_ZN5InnerD1Ev(%class.Inner*) #1 |
| |
| declare void @llvm.eh.begincatch(i8*, i8*) |
| |
| ; Function Attrs: nounwind readnone |
| declare i32 @llvm.eh.typeid.for(i8*) #3 |
| |
| declare void @_Z10handle_inti(i32) #1 |
| |
| declare void @llvm.eh.endcatch() |
| |
| declare void @_ZN5OuterD1Ev(%class.Outer*) #1 |
| |
| declare void @_Z12handle_floatf(float) #1 |
| |
| declare void @_Z4donev() #1 |
| |
| attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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"="true" "no-frame-pointer-elim-non-leaf" "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 = { noinline noreturn nounwind } |
| attributes #3 = { nounwind readnone } |
| attributes #4 = { nounwind } |
| attributes #5 = { noreturn nounwind } |
| |
| !llvm.ident = !{!0} |
| |
| !0 = !{!"clang version 3.7.0 (trunk 226027)"} |
