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l00344
2012 Nov 29
0
[LLVMdev] noreturn attribute on a call instruction vs noreturn on afunction
You can use CallInst::hasFnAttr(). It checks for attributes in the
instruction and in the function decl.
http://llvm.org/docs/doxygen/html/Instructions_8cpp_source.html#l00345
Nuno
----- Original Message -----
> Hi,
>
> Building the following C code I get a call instruction that has no
> noreturn
> attribute, while the function itself does have it.
>
> void foo(void **b) {
> __builtin_longjmp(b, 1);
> }
>
>
> define void @_Z3fooPPv...
2012 Nov 28
4
[LLVMdev] noreturn attribute on a call instruction vs noreturn on a function
Hi,
Building the following C code I get a call instruction that has no noreturn
attribute, while the function itself does have it.
void foo(void **b) {
__builtin_longjmp(b, 1);
}
define void @_Z3fooPPv(i8** %b) noreturn nounwind uwtable {
entry:
%0 = bitcast i8** %b to i8*
tail call void @llvm.eh.sjlj.longjmp(i8* %0)