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_demo: setjmp

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This commit is contained in:
xushiwei
2024-06-08 13:10:59 +08:00
parent fcf3f2abc7
commit 6dfdca2d19
2 changed files with 0 additions and 75 deletions
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2
_demo/setjmp/setjmp.go
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@@ -2,7 +2,6 @@ package main
import (
"github.com/goplus/llgo/c/setjmp"
"github.com/goplus/llgo/c/setjmp/trycatch"
)
func main() {
@@ -10,7 +9,6 @@ func main() {
switch ret := setjmp.Sigsetjmp(&jb, 0); ret {
case 0:
println("Hello, setjmp!")
trycatch.ThrowCppException()
setjmp.Siglongjmp(&jb, 1)
default:
println("exception:", ret)

73
c/setjmp/trycatch/demo.ll
View File

@@ -1,73 +0,0 @@
; ModuleID = '_code/demo.cpp'
source_filename = "_code/demo.cpp"
%"class.std::runtime_error" = type { %"class.std::exception", %"class.std::__1::__libcpp_refstring" }
%"class.std::exception" = type { i32 (...)** }
%"class.std::__1::__libcpp_refstring" = type { i8* }
@.str = private unnamed_addr constant [14 x i8] c"C++ exception\00", align 1
@_ZTISt13runtime_error = external constant i8*
; Function Attrs: noinline optnone ssp uwtable(sync)
define void @throwCppException() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
%1 = alloca i8*, align 8
%2 = alloca i32, align 4
%3 = call i8* @__cxa_allocate_exception(i64 16) #3
%4 = bitcast i8* %3 to %"class.std::runtime_error"*
%5 = invoke %"class.std::runtime_error"* @_ZNSt13runtime_errorC1EPKc(%"class.std::runtime_error"* noundef %4, i8* noundef getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0))
to label %6 unwind label %7
6: ; preds = %0
call void @__cxa_throw(i8* %3, i8* bitcast (i8** @_ZTISt13runtime_error to i8*), i8* bitcast (%"class.std::runtime_error"* (%"class.std::runtime_error"*)* @_ZNSt13runtime_errorD1Ev to i8*)) #4
unreachable
7: ; preds = %0
%8 = landingpad { i8*, i32 }
cleanup
%9 = extractvalue { i8*, i32 } %8, 0
store i8* %9, i8** %1, align 8
%10 = extractvalue { i8*, i32 } %8, 1
store i32 %10, i32* %2, align 4
call void @__cxa_free_exception(i8* %3) #3
br label %11
11: ; preds = %7
%12 = load i8*, i8** %1, align 8
%13 = load i32, i32* %2, align 4
%14 = insertvalue { i8*, i32 } undef, i8* %12, 0
%15 = insertvalue { i8*, i32 } %14, i32 %13, 1
resume { i8*, i32 } %15
}
declare i8* @__cxa_allocate_exception(i64)
declare %"class.std::runtime_error"* @_ZNSt13runtime_errorC1EPKc(%"class.std::runtime_error"* noundef returned, i8* noundef) unnamed_addr #1
declare i32 @__gxx_personality_v0(...)
declare void @__cxa_free_exception(i8*)
; Function Attrs: nounwind
declare %"class.std::runtime_error"* @_ZNSt13runtime_errorD1Ev(%"class.std::runtime_error"* noundef returned) unnamed_addr #2
declare void @__cxa_throw(i8*, i8*, i8*)
attributes #0 = { noinline optnone ssp uwtable(sync) "frame-pointer"="non-leaf" "min-legal-vector-width"="0" "no-trapping-math"="true" "probe-stack"="__chkstk_darwin" "stack-protector-buffer-size"="8" "target-cpu"="apple-m1" "target-features"="+aes,+crc,+crypto,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+lse,+neon,+ras,+rcpc,+rdm,+sha2,+sha3,+sm4,+v8.5a,+zcm,+zcz" }
attributes #1 = { "frame-pointer"="non-leaf" "no-trapping-math"="true" "probe-stack"="__chkstk_darwin" "stack-protector-buffer-size"="8" "target-cpu"="apple-m1" "target-features"="+aes,+crc,+crypto,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+lse,+neon,+ras,+rcpc,+rdm,+sha2,+sha3,+sm4,+v8.5a,+zcm,+zcz" }
attributes #2 = { nounwind "frame-pointer"="non-leaf" "no-trapping-math"="true" "probe-stack"="__chkstk_darwin" "stack-protector-buffer-size"="8" "target-cpu"="apple-m1" "target-features"="+aes,+crc,+crypto,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+lse,+neon,+ras,+rcpc,+rdm,+sha2,+sha3,+sm4,+v8.5a,+zcm,+zcz" }
attributes #3 = { nounwind }
attributes #4 = { noreturn }
!llvm.module.flags = !{!0, !1, !2, !3, !4, !5, !6, !7, !8}
!llvm.ident = !{!9}
!0 = !{i32 2, !"SDK Version", [2 x i32] [i32 13, i32 3]}
!1 = !{i32 1, !"wchar_size", i32 4}
!2 = !{i32 8, !"branch-target-enforcement", i32 0}
!3 = !{i32 8, !"sign-return-address", i32 0}
!4 = !{i32 8, !"sign-return-address-all", i32 0}
!5 = !{i32 8, !"sign-return-address-with-bkey", i32 0}
!6 = !{i32 7, !"PIC Level", i32 2}
!7 = !{i32 7, !"uwtable", i32 1}
!8 = !{i32 7, !"frame-pointer", i32 1}
!9 = !{!"Apple clang version 14.0.3 (clang-1403.0.22.14.1)"}