107 lines
3.8 KiB
LLVM
107 lines
3.8 KiB
LLVM
|
; RUN: llc < %s -enable-emscripten-cxx-exceptions | FileCheck %s --check-prefix=EH
|
||
|
|
; RUN: llc < %s -enable-emscripten-sjlj | FileCheck %s --check-prefix=SJLJ
|
||
|
|
; RUN: llc < %s | FileCheck %s --check-prefix=NONE
|
||
|
|
; RUN: not --crash llc < %s -enable-emscripten-cxx-exceptions -mtriple=wasm64-unknown-unknown 2>&1 | FileCheck %s --check-prefix=WASM64-EH
|
||
|
|
; RUN: not --crash llc < %s -enable-emscripten-sjlj -mtriple=wasm64-unknown-unknown 2>&1 | FileCheck %s --check-prefix=WASM64-SJLJ
|
||
|
|
|
||
|
|
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
|
||
|
|
target triple = "wasm32-unknown-unknown"
|
||
|
|
|
||
|
|
%struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] }
|
||
|
|
|
||
|
|
define void @exception() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
||
|
|
; EH-LABEL: type exception,@function
|
||
|
|
; NONE-LABEL: type exception,@function
|
||
|
|
entry:
|
||
|
|
invoke void @foo(i32 3)
|
||
|
|
to label %invoke.cont unwind label %lpad
|
||
|
|
; EH: call invoke_vi
|
||
|
|
; EH-NOT: call __invoke_void_i32
|
||
|
|
; NONE: call foo
|
||
|
|
|
||
|
|
invoke.cont:
|
||
|
|
invoke void @bar()
|
||
|
|
to label %try.cont unwind label %lpad
|
||
|
|
; EH: call invoke_v
|
||
|
|
; EH-NOT: call __invoke_void
|
||
|
|
; NONE: call bar
|
||
|
|
|
||
|
|
lpad: ; preds = %entry
|
||
|
|
%0 = landingpad { i8*, i32 }
|
||
|
|
catch i8* null
|
||
|
|
%1 = extractvalue { i8*, i32 } %0, 0
|
||
|
|
%2 = extractvalue { i8*, i32 } %0, 1
|
||
|
|
%3 = call i8* @__cxa_begin_catch(i8* %1) #2
|
||
|
|
call void @__cxa_end_catch()
|
||
|
|
br label %try.cont
|
||
|
|
|
||
|
|
try.cont: ; preds = %entry, %lpad
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @setjmp_longjmp() {
|
||
|
|
; SJLJ-LABEL: type setjmp_longjmp,@function
|
||
|
|
; NONE-LABEL: type setjmp_longjmp,@function
|
||
|
|
entry:
|
||
|
|
%buf = alloca [1 x %struct.__jmp_buf_tag], align 16
|
||
|
|
%arraydecay = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0
|
||
|
|
%call = call i32 @setjmp(%struct.__jmp_buf_tag* %arraydecay) #0
|
||
|
|
%arraydecay1 = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0
|
||
|
|
call void @longjmp(%struct.__jmp_buf_tag* %arraydecay1, i32 1) #1
|
||
|
|
unreachable
|
||
|
|
; SJLJ: call saveSetjmp
|
||
|
|
; SJLJ: i32.const emscripten_longjmp
|
||
|
|
; SJLJ-NOT: i32.const emscripten_longjmp_jmpbuf
|
||
|
|
; SJLJ: call invoke_vii
|
||
|
|
; SJLJ-NOT: call "__invoke_void_%struct.__jmp_buf_tag*_i32"
|
||
|
|
; SJLJ: call testSetjmp
|
||
|
|
|
||
|
|
; NONE: call setjmp
|
||
|
|
; NONE: call longjmp
|
||
|
|
}
|
||
|
|
|
||
|
|
; Tests whether a user function with 'invoke_' prefix can be used
|
||
|
|
declare void @invoke_ignoreme()
|
||
|
|
define void @test_invoke_ignoreme() {
|
||
|
|
; EH-LABEL: type test_invoke_ignoreme,@function
|
||
|
|
; SJLJ-LABEL: type test_invoke_ignoreme,@function
|
||
|
|
entry:
|
||
|
|
call void @invoke_ignoreme()
|
||
|
|
; EH: call invoke_ignoreme
|
||
|
|
; SJLJ: call invoke_ignoreme
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @foo(i32)
|
||
|
|
declare void @bar()
|
||
|
|
declare i32 @__gxx_personality_v0(...)
|
||
|
|
declare i8* @__cxa_begin_catch(i8*)
|
||
|
|
declare void @__cxa_end_catch()
|
||
|
|
; Function Attrs: returns_twice
|
||
|
|
declare i32 @setjmp(%struct.__jmp_buf_tag*) #0
|
||
|
|
; Function Attrs: noreturn
|
||
|
|
declare void @longjmp(%struct.__jmp_buf_tag*, i32) #1
|
||
|
|
declare i8* @malloc(i32)
|
||
|
|
declare void @free(i8*)
|
||
|
|
|
||
|
|
attributes #0 = { returns_twice }
|
||
|
|
attributes #1 = { noreturn }
|
||
|
|
attributes #2 = { nounwind }
|
||
|
|
|
||
|
|
; EH: .functype invoke_vi (i32, i32) -> ()
|
||
|
|
; EH: .import_module invoke_vi, env
|
||
|
|
; EH: .import_name invoke_vi, invoke_vi
|
||
|
|
; EH-NOT: .functype __invoke_void_i32
|
||
|
|
; EH-NOT: .import_module __invoke_void_i32
|
||
|
|
; EH-NOT: .import_name __invoke_void_i32
|
||
|
|
|
||
|
|
; SJLJ: .functype emscripten_longjmp (i32, i32) -> ()
|
||
|
|
; SJLJ: .import_module emscripten_longjmp, env
|
||
|
|
; SJLJ: .import_name emscripten_longjmp, emscripten_longjmp
|
||
|
|
; SJLJ-NOT: .functype emscripten_longjmp_jmpbuf
|
||
|
|
; SJLJ-NOT: .import_module emscripten_longjmp_jmpbuf
|
||
|
|
; SJLJ-NOT: .import_name emscripten_longjmp_jmpbuf
|
||
|
|
|
||
|
|
; WASM64-EH: LLVM ERROR: Emscripten EH/SjLj is not supported with wasm64 yet
|
||
|
|
; WASM64-SJLJ: LLVM ERROR: Emscripten EH/SjLj is not supported with wasm64 yet
|