Dylan DPC 2fdcd245df Rollup merge of #79117 - cjkenn:mir-fuel, r=oli-obk ... add optimization fuel checks to some mir passes Fixes #77402 Inserts a bunch of calls to `consider_optimizing`. Note that `consider_optimizing` is the method that actually decrements the fuel count, so the point at which it's called is when the optimization takes place, from a fuel perspective. This means that where we call it has some thought behind it: 1. We probably don't want to decrement the fuel count before other simple checks, otherwise we count an optimization as being performed even if nothing was mutated (ie. it returned early). 2. In cases like `InstCombine`, where we gather optimizations in a pass and then mutate values, we probably would rather skip the gathering pass for performance reasons rather than skip the mutations afterwards.		2020-11-19 16:26:35 +01:00
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src	Rollup merge of #79117 - cjkenn:mir-fuel, r=oli-obk	2020-11-19 16:26:35 +01:00
Cargo.toml	Added some unit tests as requested	2020-11-11 16:40:17 -08:00