diff options
Diffstat (limited to 'llvm/test/CodeGen/WebAssembly/exception.ll')
-rw-r--r-- | llvm/test/CodeGen/WebAssembly/exception.ll | 83 |
1 files changed, 75 insertions, 8 deletions
diff --git a/llvm/test/CodeGen/WebAssembly/exception.ll b/llvm/test/CodeGen/WebAssembly/exception.ll index 014b52027cc..c4d4a6a1d89 100644 --- a/llvm/test/CodeGen/WebAssembly/exception.ll +++ b/llvm/test/CodeGen/WebAssembly/exception.ll @@ -1,22 +1,89 @@ -; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -disable-wasm-explicit-locals | FileCheck %s +; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -exception-model=wasm | FileCheck %s target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" target triple = "wasm32-unknown-unknown" +%struct.Cleanup = type { i8 } + +@_ZTIi = external constant i8* + declare void @llvm.wasm.throw(i32, i8*) -declare void @llvm.wasm.rethrow() -; CHECK-LABEL: throw: +; CHECK-LABEL: test_throw: ; CHECK-NEXT: i32.const $push0=, 0 ; CHECK-NEXT: throw 0, $pop0 -define void @throw() { +define void @test_throw() { call void @llvm.wasm.throw(i32 0, i8* null) ret void } -; CHECK-LABEL: rethrow: -; CHECK-NEXT: rethrow 0 -define void @rethrow() { - call void @llvm.wasm.rethrow() +; CHECK-LABEL: test_catch: +; CHECK: call foo@FUNCTION +; CHECK: i32.catch $push{{.+}}=, 0 +; CHECK-DAG: i32.store __wasm_lpad_context +; CHECK-DAG: i32.store __wasm_lpad_context+4 +; CHECK: i32.call $push{{.+}}=, _Unwind_CallPersonality@FUNCTION +; CHECK: i32.call $push{{.+}}=, __cxa_begin_catch@FUNCTION +; CHECK: call __cxa_end_catch@FUNCTION +; CHECK: call __cxa_rethrow@FUNCTION +define void @test_catch() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) { +entry: + invoke void @foo() + to label %try.cont unwind label %catch.dispatch + +catch.dispatch: ; preds = %entry + %0 = catchswitch within none [label %catch.start] unwind to caller + +catch.start: ; preds = %catch.dispatch + %1 = catchpad within %0 [i8* bitcast (i8** @_ZTIi to i8*)] + %2 = call i8* @llvm.wasm.get.exception(token %1) + %3 = call i32 @llvm.wasm.get.ehselector(token %1) + %4 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) + %matches = icmp eq i32 %3, %4 + br i1 %matches, label %catch, label %rethrow + +catch: ; preds = %catch.start + %5 = call i8* @__cxa_begin_catch(i8* %2) [ "funclet"(token %1) ] + call void @__cxa_end_catch() [ "funclet"(token %1) ] + catchret from %1 to label %try.cont + +rethrow: ; preds = %catch.start + call void @__cxa_rethrow() [ "funclet"(token %1) ] + unreachable + +try.cont: ; preds = %entry, %catch ret void } + +; CHECK-LABEL: test_cleanup: +; CHECK: call foo@FUNCTION +; CHECK: return +; CHECK: i32.call $push20=, _ZN7CleanupD1Ev@FUNCTION +; CHECK: rethrow 0 +define void @test_cleanup() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) { +entry: + %c = alloca %struct.Cleanup, align 1 + invoke void @foo() + to label %invoke.cont unwind label %ehcleanup + +invoke.cont: ; preds = %entry + %call = call %struct.Cleanup* @_ZN7CleanupD1Ev(%struct.Cleanup* %c) + ret void + +ehcleanup: ; preds = %entry + %0 = cleanuppad within none [] + %call1 = call %struct.Cleanup* @_ZN7CleanupD1Ev(%struct.Cleanup* %c) [ "funclet"(token %0) ] + cleanupret from %0 unwind to caller +} + +declare void @foo() +declare void @func(i32) +declare i32 @__gxx_wasm_personality_v0(...) +declare i8* @llvm.wasm.get.exception(token) +declare i32 @llvm.wasm.get.ehselector(token) +declare i32 @llvm.eh.typeid.for(i8*) +declare i8* @__cxa_begin_catch(i8*) +declare void @__cxa_end_catch() +declare void @__cxa_rethrow() +declare void @__clang_call_terminate(i8*) +declare %struct.Cleanup* @_ZN7CleanupD1Ev(%struct.Cleanup* returned) |