https://bugs.llvm.org/show_bug.cgi?id=38149
Bug ID: 38149
Summary: [InstCombine][DagCombine] Improve Signed Truncation
Check pattern
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: lebedev...@gmail.com
CC: llvm-bugs@lists.llvm.org
As disscussed in https://reviews.llvm.org/D49179#1158957 and later:
https://rise4fun.com/Alive/Bd4 <- the ir can be improved
https://godbolt.org/g/xbCLBB <- the backend will likely want to revert that
always.
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