[PATCH] D32005: [ARM] Check for correct HW div when lowering divmod
Diana Picus via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Apr 13 08:59:57 PDT 2017
rovka added a comment.
Thanks for the review
================
Comment at: test/CodeGen/ARM/divmod-hwdiv.ll:7
+
+; The hwdiv-arm subtarget feature should only influence arm, not thumb.
+; RUN: llc < %s -mtriple=arm-gnueabi -mattr=+hwdiv-arm | FileCheck %s -check-prefixes=ALL,ARM-HWDIV
----------------
compnerd wrote:
> I'm not sure I understand what the duplication here is for. The compilation mode is identical to the ones above. We should remove these I believe.
The difference is hwdiv (hardware divide in thumb) vs hwdiv-arm (hardware divide in arm). The first 4 lines check that hwdiv influences thumb, but not arm, and the last 4 check that hwdiv-arm influences arm, but not thumb.
https://reviews.llvm.org/D32005
More information about the llvm-commits
mailing list