liuyu11@ict.ac.cn via llvm-dev
2018-Apr-22 02:47 UTC
[llvm-dev] Subject: How to define vector element type bool in builtin function
Subject: How to define vector element type bool in builtin function
hello everyone,I have defined intrinsic function like this:
def int_mips_add_32 : GCCBuiltin<"__builtin_dongxin_add_32">,
Intrinsic<[llvm_v4i32_ty], [llvm_v4i32_ty, llvm_v4i32_ty,llvm_v8i1_ty]>;
Then I write a test code :
typedef int v4i32 __attribute__ ((vector_size(16)));
typedef bool v8i1 __attribute__ ((vector_size(1)));
void foo() {
v4i32 v4i32_r1,v4i32_r2,v4i32_r3;
v8i1 vm_1;
v4i32_r1 = __builtin_dongxin_add_32(v4i32_r2,v4i32_r2,vm_1);
}
but when I compile : clang -cc1 -triple mipsel-unknown-linux-gnu -emit-llvm
intrinstest.c -o test.ll
I got the error:
intrinstest.c:4:9: error: unknown type name 'bool'
typedef bool v8i1 __attribute__ ((vector_size(1)));
^
intrinstest.c:4:36: error: vector size not an integral multiple of component
size
typedef bool v8i1 __attribute__ ((vector_size(1)));
^ ~
intrinstest.c:9:57: error: passing 'v8i1' (aka 'int') to
parameter of incompatible type '__attribute__((__vector_size__(8 *
sizeof(_Bool)))) _Bool' (vector of 8 '_Bool' values)
v4i32_r1 = __builtin_dongxin_add_32(v4i32_r2,v4i32_r2,vm_1);
I really do not know how to define a vector type whose element type is bool
.Appreciate for your help
liuyu11 at ict.ac.cn
From: via llvm-dev
Date: 2018-04-22 03:00
To: llvm-dev
Subject: llvm-dev Digest, Vol 166, Issue 63
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Today's Topics:
1. Re: [RFC] Turn the MachineOutliner on by default in AArch64
under -Oz (Jon Chesterfield via llvm-dev)
2. How to add/use parameter attributes? Troubles with "byval"
(edA-qa mort-ora-y via llvm-dev)
3. Re: [Release-testers] LLVM 5.0.2-rc2 has been tagged
(Sylvestre Ledru via llvm-dev)
----------------------------------------------------------------------
Message: 1
Date: Sat, 21 Apr 2018 03:33:29 +0100
From: Jon Chesterfield via llvm-dev <llvm-dev at lists.llvm.org>
To: llvm-dev <llvm-dev at lists.llvm.org>,
llvm-dev-request at lists.llvm.org
Subject: Re: [llvm-dev] [RFC] Turn the MachineOutliner on by default
in AArch64 under -Oz
Message-ID:
<CAOUYtQB1zR-5m_7fnJf7diyZoZJby1kkhwYmtGVOwT52ttEwUQ at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Teaching the back end about size optimization sounds great, even without
the exciting work on MachineOutliner. It would strip some nasty hacks from
an out of tree back end that cares about code size :)
Thank you
> The first patch is one that teaches the backend about size optimization
> levels. This is comparable to what's done in the inliner. Today, the
only
> way to tell if something is optimizing for size is by looking at function
> attributes. This is fine for function passes, but insufficient for module
> passes like the MachineOutliner. The function attribute approach forces the
> outliner to iterate over every function in the module before deciding to
> take action. If -Oz isn't passed in, then the outliner will not find
any
> functions worth outlining from. This would incur unnecessary compile-time
> overhead. Thus, we decided the best course of action is to teach the
> backend about size options.
>
> The second patch teaches llc to handle -Oz and -Os.
>
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Message: 2
Date: Sat, 21 Apr 2018 19:01:15 +0200
From: edA-qa mort-ora-y via llvm-dev <llvm-dev at lists.llvm.org>
To: LLVM Developers Mailing List <llvm-dev at lists.llvm.org>
Subject: [llvm-dev] How to add/use parameter attributes? Troubles with
"byval"
Message-ID: <4643e384-6ce5-5095-2ebd-fa6244e0d7be at disemia.com>
Content-Type: text/plain; charset=utf-8
I'm unable to figure out how IR attributes can be added via the C++ API.
I need to create a function like this:
%1 = call i64 @abi_call_test_tuple_2p(%struct.abi_tuple_2p* byval
align 8 %v)
Where a structure is being passed by value. I need to add the `byval`
attribute somewhere (I'm not clear if this is on the function arguments
or the type).
I'm also uncertain of why that results in a different calling convention
than just:
%1 = call i64 @abi_call_test_tuple_2p(%":abi_tuple_2" %0)
Does this not also pass the same structure by-value to the function?
(It doesn't yield the same results it appears).
--
edA-qa mort-ora-y
http://mortoray.com/
Creator of the Leaf language
http://leaflang.org/
Streaming algorithms, AI, and design on Twitch
https://www.twitch.tv/mortoray
Twitter
edaqa
------------------------------
Message: 3
Date: Sat, 21 Apr 2018 09:28:53 +0200
From: Sylvestre Ledru via llvm-dev <llvm-dev at lists.llvm.org>
To: tstellar at redhat.com, Release-testers
<release-testers at lists.llvm.org>, llvm-dev <llvm-dev at
lists.llvm.org>,
cfe-dev <cfe-dev at lists.llvm.org>
Subject: Re: [llvm-dev] [Release-testers] LLVM 5.0.2-rc2 has been
tagged
Message-ID: <296964ac-bef0-7e3d-0650-abcbbfa75d77 at debian.org>
Content-Type: text/plain; charset=utf-8
Le 20/04/2018 à 18:29, Tom Stellard via Release-testers a écrit
:> On 03/29/2018 08:09 PM, Tom Stellard via Release-testers wrote:
>> Hi,
>>
>> I've fixed the version numbering and tagged 5.0.2-rc2. Testers can
>> begin testing.
>>
> So far, I've only received 5.0.2-rc2 binaries from 2 testers. I am
> guessing this is due to the mix up with -rc1 and the fact that we don't
> normally do X.Y.2 releases.
I uploaded rc1 immediately (with the version fix) and didn't find any issue!
Cheers,
Sylvestre
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