[LLVMbugs] [Bug 16595] New: Oversized vector shift not turned into undef

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Jul 11 04:19:10 PDT 2013


            Bug ID: 16595
           Summary: Oversized vector shift not turned into undef
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: baldrick at free.fr
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

The IR level optimizers could turn this into a return of undef, but don't:

define <4 x i32> @test_slld_3(<4 x i32> %InVec) {
  %shl = shl <4 x i32> %InVec, <i32 32, i32 32, i32 32, i32 32>
  ret <4 x i32> %shl

You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20130711/7c6548ef/attachment.html>

More information about the llvm-bugs mailing list