[llvm-bugs] [Bug 33330] New: Severe compilation time degradation after r303560

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Jun 6 10:29:13 PDT 2017


            Bug ID: 33330
           Summary: Severe compilation time degradation after r303560
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Common Code Generator Code
          Assignee: unassignedbugs at nondot.org
          Reporter: kparzysz at codeaurora.org
                CC: llvm-bugs at lists.llvm.org

Created attachment 18582
  --> https://bugs.llvm.org/attachment.cgi?id=18582&action=edit

The attached testcase used to compile in <20s. After this commit, on the same
machine, it takes over 6min.

Command: llc -march=hexagon < slow.ll

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