lebedev.ri added a comment. In D57915#1389549 <https://reviews.llvm.org/D57915#1389549>, @TomTan wrote:
> Added the tests back. Clang IR should not lower these to bswap calls because > they are global library functions. It might be slower to make the call to > library function than bswap, but this is the same for other architectures > supported by Windows. And just redefine global library function triggers link > error in some scenarios. I think there is some deeper reasoning is being omitted here. //Why// does the fact that those are "global library functions" bans clang from lowering them into IR? (and thus, "prevents" LLVM form doing optimizations) CHANGES SINCE LAST ACTION https://reviews.llvm.org/D57915/new/ https://reviews.llvm.org/D57915 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
