| ; RUN: opt < %s -wasm-lower-em-ehsjlj -S | FileCheck %s |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" |
| target triple = "wasm32-unknown-unknown" |
| |
| @_ZTIi = external constant i8* |
| @_ZTIc = external constant i8* |
| ; CHECK-DAG: __THREW__ = weak_odr global i32 0 |
| ; CHECK-DAG: __threwValue = weak_odr global i32 0 |
| ; CHECK-DAG: __tempRet0 = weak_odr global i32 0 |
| |
| ; Test invoke instruction with clauses (try-catch block) |
| define void @clause() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { |
| ; CHECK-LABEL: @clause( |
| entry: |
| invoke void @foo(i32 3) |
| to label %invoke.cont unwind label %lpad |
| ; CHECK: entry: |
| ; CHECK-NEXT: store i32 0, i32* @__THREW__ |
| ; CHECK-NEXT: call void @__invoke_void_i32(void (i32)* @foo, i32 3) |
| ; CHECK-NEXT: %[[__THREW__VAL:.*]] = load i32, i32* @__THREW__ |
| ; CHECK-NEXT: store i32 0, i32* @__THREW__ |
| ; CHECK-NEXT: %cmp = icmp eq i32 %[[__THREW__VAL]], 1 |
| ; CHECK-NEXT: br i1 %cmp, label %lpad, label %invoke.cont |
| |
| invoke.cont: ; preds = %entry |
| br label %try.cont |
| |
| lpad: ; preds = %entry |
| %0 = landingpad { i8*, i32 } |
| catch i8* bitcast (i8** @_ZTIi to i8*) |
| catch i8* null |
| %1 = extractvalue { i8*, i32 } %0, 0 |
| %2 = extractvalue { i8*, i32 } %0, 1 |
| br label %catch.dispatch |
| ; CHECK: lpad: |
| ; CHECK-NEXT: %[[FMC:.*]] = call i8* @__cxa_find_matching_catch_4(i8* bitcast (i8** @_ZTIi to i8*), i8* null) |
| ; CHECK-NEXT: %[[IVI1:.*]] = insertvalue { i8*, i32 } undef, i8* %[[FMC]], 0 |
| ; CHECK-NEXT: %[[TEMPRET0_VAL:.*]] = load i32, i32* @__tempRet0 |
| ; CHECK-NEXT: %[[IVI2:.*]] = insertvalue { i8*, i32 } %[[IVI1]], i32 %[[TEMPRET0_VAL]], 1 |
| ; CHECK-NEXT: extractvalue { i8*, i32 } %[[IVI2]], 0 |
| ; CHECK-NEXT: %[[CDR:.*]] = extractvalue { i8*, i32 } %[[IVI2]], 1 |
| |
| catch.dispatch: ; preds = %lpad |
| %3 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) |
| %matches = icmp eq i32 %2, %3 |
| br i1 %matches, label %catch1, label %catch |
| ; CHECK: catch.dispatch: |
| ; CHECK-NEXT: %[[TYPEID:.*]] = call i32 @llvm_eh_typeid_for(i8* bitcast (i8** @_ZTIi to i8*)) |
| ; CHECK-NEXT: %matches = icmp eq i32 %[[CDR]], %[[TYPEID]] |
| |
| catch1: ; preds = %catch.dispatch |
| %4 = call i8* @__cxa_begin_catch(i8* %1) |
| %5 = bitcast i8* %4 to i32* |
| %6 = load i32, i32* %5, align 4 |
| call void @__cxa_end_catch() |
| br label %try.cont |
| |
| try.cont: ; preds = %catch, %catch1, %invoke.cont |
| ret void |
| |
| catch: ; preds = %catch.dispatch |
| %7 = call i8* @__cxa_begin_catch(i8* %1) |
| call void @__cxa_end_catch() |
| br label %try.cont |
| } |
| |
| ; Test invoke instruction with filters (functions with throw(...) declaration) |
| define void @filter() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { |
| ; CHECK-LABEL: @filter( |
| entry: |
| invoke void @foo(i32 3) |
| to label %invoke.cont unwind label %lpad |
| ; CHECK: entry: |
| ; CHECK-NEXT: store i32 0, i32* @__THREW__ |
| ; CHECK-NEXT: call void @__invoke_void_i32(void (i32)* @foo, i32 3) |
| ; CHECK-NEXT: %[[__THREW__VAL:.*]] = load i32, i32* @__THREW__ |
| ; CHECK-NEXT: store i32 0, i32* @__THREW__ |
| ; CHECK-NEXT: %cmp = icmp eq i32 %[[__THREW__VAL]], 1 |
| ; CHECK-NEXT: br i1 %cmp, label %lpad, label %invoke.cont |
| |
| invoke.cont: ; preds = %entry |
| ret void |
| |
| lpad: ; preds = %entry |
| %0 = landingpad { i8*, i32 } |
| filter [2 x i8*] [i8* bitcast (i8** @_ZTIi to i8*), i8* bitcast (i8** @_ZTIc to i8*)] |
| %1 = extractvalue { i8*, i32 } %0, 0 |
| %2 = extractvalue { i8*, i32 } %0, 1 |
| br label %filter.dispatch |
| ; CHECK: lpad: |
| ; CHECK-NEXT: %[[FMC:.*]] = call i8* @__cxa_find_matching_catch_4(i8* bitcast (i8** @_ZTIi to i8*), i8* bitcast (i8** @_ZTIc to i8*)) |
| ; CHECK-NEXT: %[[IVI1:.*]] = insertvalue { i8*, i32 } undef, i8* %[[FMC]], 0 |
| ; CHECK-NEXT: %[[TEMPRET0_VAL:.*]] = load i32, i32* @__tempRet0 |
| ; CHECK-NEXT: %[[IVI2:.*]] = insertvalue { i8*, i32 } %[[IVI1]], i32 %[[TEMPRET0_VAL]], 1 |
| ; CHECK-NEXT: extractvalue { i8*, i32 } %[[IVI2]], 0 |
| ; CHECK-NEXT: extractvalue { i8*, i32 } %[[IVI2]], 1 |
| |
| filter.dispatch: ; preds = %lpad |
| %ehspec.fails = icmp slt i32 %2, 0 |
| br i1 %ehspec.fails, label %ehspec.unexpected, label %eh.resume |
| |
| ehspec.unexpected: ; preds = %filter.dispatch |
| call void @__cxa_call_unexpected(i8* %1) #4 |
| unreachable |
| |
| eh.resume: ; preds = %filter.dispatch |
| %lpad.val = insertvalue { i8*, i32 } undef, i8* %1, 0 |
| %lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %2, 1 |
| resume { i8*, i32 } %lpad.val3 |
| ; CHECK: eh.resume: |
| ; CHECK-NEXT: insertvalue |
| ; CHECK-NEXT: %[[LPAD_VAL:.*]] = insertvalue |
| ; CHECK-NEXT: %[[LOW:.*]] = extractvalue { i8*, i32 } %[[LPAD_VAL]], 0 |
| ; CHECK-NEXT: call void @__resumeException(i8* %[[LOW]]) |
| ; CHECK-NEXT: unreachable |
| } |
| |
| ; Test if argument attributes indices in newly created call instructions are correct |
| define void @arg_attributes() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { |
| ; CHECK-LABEL: @arg_attributes( |
| entry: |
| %0 = invoke noalias i8* @bar(i8 signext 1, i8 zeroext 2) |
| to label %invoke.cont unwind label %lpad |
| ; CHECK: entry: |
| ; CHECK-NEXT: store i32 0, i32* @__THREW__ |
| ; CHECK-NEXT: %0 = call noalias i8* @"__invoke_i8*_i8_i8"(i8* (i8, i8)* @bar, i8 signext 1, i8 zeroext 2) |
| |
| invoke.cont: ; preds = %entry |
| br label %try.cont |
| |
| lpad: ; preds = %entry |
| %1 = landingpad { i8*, i32 } |
| catch i8* bitcast (i8** @_ZTIi to i8*) |
| catch i8* null |
| %2 = extractvalue { i8*, i32 } %1, 0 |
| %3 = extractvalue { i8*, i32 } %1, 1 |
| br label %catch.dispatch |
| |
| catch.dispatch: ; preds = %lpad |
| %4 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) |
| %matches = icmp eq i32 %3, %4 |
| br i1 %matches, label %catch1, label %catch |
| |
| catch1: ; preds = %catch.dispatch |
| %5 = call i8* @__cxa_begin_catch(i8* %2) |
| %6 = bitcast i8* %5 to i32* |
| %7 = load i32, i32* %6, align 4 |
| call void @__cxa_end_catch() |
| br label %try.cont |
| |
| try.cont: ; preds = %catch, %catch1, %invoke.cont |
| ret void |
| |
| catch: ; preds = %catch.dispatch |
| %8 = call i8* @__cxa_begin_catch(i8* %2) |
| call void @__cxa_end_catch() |
| br label %try.cont |
| } |
| |
| declare void @foo(i32) |
| declare i8* @bar(i8, i8) |
| |
| declare i32 @__gxx_personality_v0(...) |
| declare i32 @llvm.eh.typeid.for(i8*) |
| declare i8* @__cxa_begin_catch(i8*) |
| declare void @__cxa_end_catch() |
| declare void @__cxa_call_unexpected(i8*) |
| |
| ; JS glue functions and invoke wrappers declaration |
| ; CHECK-DAG: declare void @__resumeException(i8*) |
| ; CHECK-DAG: declare void @__invoke_void_i32(void (i32)*, i32) |
| ; CHECK-DAG: declare i8* @__cxa_find_matching_catch_4(i8*, i8*) |
| |
| ; setThrew function creation |
| ; CHECK-LABEL: define weak_odr void @setThrew(i32 %threw, i32 %value) { |
| ; CHECK: entry: |
| ; CHECK-NEXT: %__THREW__.val = load i32, i32* @__THREW__ |
| ; CHECK-NEXT: %cmp = icmp eq i32 %__THREW__.val, 0 |
| ; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.end |
| ; CHECK: if.then: |
| ; CHECK-NEXT: store i32 %threw, i32* @__THREW__ |
| ; CHECK-NEXT: store i32 %value, i32* @__threwValue |
| ; CHECK-NEXT: br label %if.end |
| ; CHECK: if.end: |
| ; CHECK-NEXT: ret void |
| ; CHECK: } |
| |
| ; setTempRet0 function creation |
| ; CHECK-LABEL: define weak_odr void @setTempRet0(i32 %value) { |
| ; CHECK: entry: |
| ; CHECK-NEXT: store i32 %value, i32* @__tempRet0 |
| ; CHECK-NEXT: ret void |
| ; CHECK: } |
