[compiler-rt] r288777 - builtins: Add ARM Thumb1 implementation for uidiv and uidivmod

[Renato Golin via llvm-commits]

On 7 December 2016 at 17:47, Reid Kleckner via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> With this CL, we can no longer build compiler-rt with clang from XCode 7.0:
> https://build.chromium.org/p/chromium.fyi/builders/ClangToTMac%20%28dbg%29/builds/7185/steps/gclient%20runhooks/logs/stdio
>
> FAILED:
> lib/builtins/CMakeFiles/clang_rt.hard_pic_armv7em_macho_embedded.dir/arm/clzdi2.S.o
> /Applications/Xcode7.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc
> ...
> /b/c/b/ClangToTMac__dbg_/src/third_party/llvm/compiler-rt/lib/builtins/arm/clzdi2.S:58:2:
> error: predicated instructions must be in IT block
>  movne r0, r1
>  ^
> /b/c/b/ClangToTMac__dbg_/src/third_party/llvm/compiler-rt/lib/builtins/arm/clzdi2.S:60:2:
> error: predicated instructions must be in IT block
>  movne r1, 1
>  ^
> ...


Sigh, something is terribly wrong with the way we test builtins...

We really need to find a better way to validate before pushing code.

--renato