[llvm-bugs] [Bug 46322] New: llc -cgp-verify-bfi-updates -O1 fails with "Freq mismatch: entry 8 vs 16"

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Mon Jun 15 01:31:33 PDT 2020


https://bugs.llvm.org/show_bug.cgi?id=46322

            Bug ID: 46322
           Summary: llc -cgp-verify-bfi-updates -O1 fails with "Freq
                    mismatch: entry 8 vs 16"
           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: mikael.holmen at ericsson.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 23615
  --> https://bugs.llvm.org/attachment.cgi?id=23615&action=edit
bbi-43598.ll reproducer

Reproduce with:
 llc -cgp-verify-bfi-updates -O1 -o - bbi-43598.ll

Result:

Freq mismatch: entry 8 vs 16
This
block-frequency-info: a
 - entry: float = 1.0, int = 8

Other
block-frequency-info: a
 - entry: float = 1.0, int = 16

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