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[CostModel] add basic handling for FP maximum/minimum intrinsics

Authored by spatel on Sun, Nov 22, 10:43 AM.

Description

[CostModel] add basic handling for FP maximum/minimum intrinsics

This might be a regression for some ARM targets, but that should
be changed in the target-specific overrides.

There is apparently still no default lowering for these nodes,
so I am assuming these intrinsics are not in common use.
X86, PowerPC, and RISC-V for example, just crash given the most
basic IR.

Details

Committed
spatelSun, Nov 22, 10:43 AM
Parents
rG3a18f2672363: [CostModel] add tests for FP maximum; NFC
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