[Bug 1993800] [NEW] LLVM ERROR: Cannot select: 0x2f689c8: v4i32 = ARMISD::VCMPZ 0x2f696b8, Constant:i32<2>

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LLVM ERROR: Cannot select: 0x2f689c8: v4i32 = ARMISD::VCMPZ 0x2f696b8, Constant:i32<2>
  0x2f696b8: v4i32,ch = ARMISD::VLD1DUP<(load (s32) from %ir.212)> 0x2aad434, 0x2f84090:1, Constant:i32<4>
    0x2f84090: i32,i32,ch = load<(load (s32) from %ir.209, align 8), <post-inc>> 0x2aad434, 0x2f63a30, Constant:i32<64>
      0x2f63a30: i32,ch = CopyFromReg 0x2aad434, Register:i32 %23
        0x2f51c10: i32 = Register %23
      0x2f82500: i32 = Constant<64>
    0x2f81b28: i32 = Constant<4>
  0x2f81e40: i32 = Constant<2>
In function: fs_variant_partial

[https://launchpadlibrarian.net/629171689/buildlog_ubuntu-kinetic-
armhf.mutter_43.0-1ubuntu3_BUILDING.txt.gz]

Although "LLVM ERROR: Cannot select" seems to be from LLVM, I can't
determine what project "fs_variant_partial" is in. Sounds like it might
be in some old version of Mesa? The start of the log suggests it's
running on focal.

** Affects: llvm-toolchain-15 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: armhf focal ftbfs kinetic
-- 
LLVM ERROR: Cannot select: 0x2f689c8: v4i32 = ARMISD::VCMPZ 0x2f696b8, Constant:i32<2>
https://bugs.launchpad.net/bugs/1993800
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