search for: r270823

Displaying 3 results from an estimated 3 matches for "r270823".

2016 Jun 10
2
Early CSE clobbering llvm.assume
...r the lead Kevin. Unfortunately when I updated to ToT the problem > persists. Will put together a minimum reproducing example. > > On Fri, Jun 10, 2016 at 12:26 PM, Smith, Kevin B <kevin.b.smith at intel.com> > wrote: > >> You might look at this commit to fix the problem: r270823 >> "MemorySSA: Revert r269678 and r268068; replace with special casing in >> MemorySSA." >> >> I think that might fix the issue for you. >> >> Kevin Smith >> >> > > _______________________________________________ > LLVM Developers m...
2016 Jun 10
3
Early CSE clobbering llvm.assume
...ToT the >>> problem persists. Will put together a minimum reproducing example. >>> >>> On Fri, Jun 10, 2016 at 12:26 PM, Smith, Kevin B < >>> kevin.b.smith at intel.com> wrote: >>> >>>> You might look at this commit to fix the problem: r270823 >>>> "MemorySSA: Revert r269678 and r268068; replace with special casing in >>>> MemorySSA." >>>> >>>> I think that might fix the issue for you. >>>> >>>> Kevin Smith >>>> >>>> >>> &gt...
2016 Jun 10
4
Early CSE clobbering llvm.assume
As of llvm 3.8, the early CSE pass seems to remove llvm.assume intrinsics. Is this the expected behavior? I've attached as small-ish example of this happening in my production code. $ opt -early-cse before-early-cse.ll -S > after-early-cse.ll Note the use of the assume intrinsic indicating that the loaded value %channels equals 3. In a later pass I replace the load instruction with