rust - https://github.com/rust-lang/rust

Age	Commit message (Collapse)	Author	Lines
2021-09-01	Fix drop handling for `if let` expressions	Matthew Jasper	-1/+1
	MIR lowering for `if let` expressions is now more complicated now that `if let` exists in HIR. This PR adds a scope for the variables bound in an `if let` expression and then uses an approach similar to how we handle loops to ensure that we reliably drop the correct variables.
2021-02-22	New mir-opt pass to simplify gotos with const values	Simon Vandel Sillesen	-32/+16
	Fixes #77355
2021-02-21	Make MatchBranchSimplification clean up after itself	Simon Vandel Sillesen	-15/+7

2020-10-21	Introduce a temporary for discriminant value in MatchBranchSimplification	Tomasz Miąsko	-33/+24
	The optimization introduces additional uses of the discriminant operand, but does not ensure that it is still valid to evaluate it or that it still evaluates to the same value. Evaluate it once at original position, and store the result in a new temporary.
2020-10-20	Disable MatchBranchSimplification	Tomasz Miąsko	-12/+33
	This optimization can result in unsoundness, because it introduces additional uses of a place holding the discriminant value without ensuring that it is valid to do so.
2020-10-01	Bless mir-opt tests with new opt	Antoine Martin	-33/+8

2020-09-06	Add peephold optimization that simplifies Ne(_1, false) and Ne(false, _1) ↵	Simon Vandel Sillesen	-0/+72
	into _1 This was observed emitted from the MatchBranchSimplification pass.