blob: aa4d87756c87d0a66f4b3637a1fca6f6b7670e68 [file] [log] [blame]
; 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 -exception-model=wasm 2>&1 | FileCheck %s --check-prefix=WASM-EH-EM-EH
target triple = "wasm32-unknown-unknown"
; 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
%struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] }
define void @exception() personality ptr @__gxx_personality_v0 {
; 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 { ptr, i32 }
catch ptr null
%1 = extractvalue { ptr, i32 } %0, 0
%2 = extractvalue { ptr, i32 } %0, 1
%3 = call ptr @__cxa_begin_catch(ptr %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
%call = call i32 @setjmp(ptr %buf) #0
call void @longjmp(ptr %buf, 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_ptr_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 ptr @__cxa_begin_catch(ptr)
declare void @__cxa_end_catch()
; Function Attrs: returns_twice
declare i32 @setjmp(ptr) #0
; Function Attrs: noreturn
declare void @longjmp(ptr, i32) #1
declare ptr @malloc(i32)
declare void @free(ptr)
attributes #0 = { returns_twice }
attributes #1 = { noreturn }
attributes #2 = { nounwind }
; WASM-EH-EM-EH: LLVM ERROR: -exception-model=wasm not allowed with -enable-emscripten-cxx-exceptions