Files
clang-p2996/llvm/test/CodeGen/WebAssembly/lower-em-ehsjlj-options.ll
Thomas Lively 122b0220fd [WebAssembly] Remove datalayout strings from llc tests
The data layout strings do not have any effect on llc tests and will become
misleadingly out of date as we continue to update the canonical data layout, so
remove them from the tests.

Differential Revision: https://reviews.llvm.org/D105842
2021-07-14 11:17:08 -07:00

104 lines
3.5 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 -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 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 }
; WASM-EH-EM-EH: LLVM ERROR: -exception-model=wasm not allowed with -enable-emscripten-cxx-exceptions