[llvm-branch-commits] [llvm] AMDGPU: Fix tracking subreg defs when folding through reg_sequence (PR #140608)

[Jay Foad via llvm-branch-commits]

================
@@ -380,7 +477,8 @@ bool SIFoldOperandsImpl::canUseImmWithOpSel(FoldCandidate 
&Fold) const {
   return true;
 }
 
-bool SIFoldOperandsImpl::tryFoldImmWithOpSel(FoldCandidate &Fold) const {
+bool SIFoldOperandsImpl::tryFoldImmWithOpSel(FoldCandidate &Fold,
+                                             int64_t ImmVal) const {
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jayfoad wrote:

Needs a comment explaining the `ImmVal` argument. Is it different from 
`Fold.getEffectiveImmVal()`?

https://github.com/llvm/llvm-project/pull/140608
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