[PATCH] D49966: [X86] Performing DAG pruning before selection of LEA instructions.

Dávid Bolvanský via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Aug 16 03:23:42 PDT 2018


xbolva00 added inline comments.


================
Comment at: lib/Target/X86/X86ISelDAGToDAG.cpp:774
+    // addressing mode based LEA selection.
+    if (OptForSize) {
+      SDValue NewN = pruneForLEAExtraction(N);
----------------
lebedev.ri wrote:
> Hm, why do we want to only do this in `-Os`/`-Oz`?
I agree with Roman, we should do it always.


Repository:
  rL LLVM

https://reviews.llvm.org/D49966





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