[PATCH] D105919: [AMDGPU] Mark all relevant VOP1 instructions rematerializable

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec added inline comments.


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Comment at: llvm/lib/Target/AMDGPU/VOP1Instructions.td:361
 
+let isReMaterializable = 1 in {
 let SubtargetPredicate = isGFX6GFX7 in {
----------------
arsenm wrote:
> I think we need a nofpexcept flag check for most of these FP ops
Do we realy raise anything? I suppose at maximum we will get SNaN, but that can be remated. On practice have you seen a signaling scenario anywhere?


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  https://reviews.llvm.org/D105919/new/

https://reviews.llvm.org/D105919