[PATCH] D104245: [GlobalISel] Describe undefined values for G_SBFX/G_UBFX operands
Brendon Cahoon via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 18 14:59:24 PDT 2021
bcahoon added inline comments.
================
Comment at: llvm/docs/GlobalISel/GenericOpcode.rst:259
+
+ 0 <= lsb < lsb + width <= source bitwidth, where all values are unsigned
+
----------------
arsenm wrote:
> What what is the result if this is violated? Poison?
I think poison makes sense. Though, I'm not sure how that concept occurs in the gMIR?
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https://reviews.llvm.org/D104245/new/
https://reviews.llvm.org/D104245
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