================
@@ -545,11 +551,18 @@ bool LoopInvariantCodeMotion::runOnLoop(Loop *L,
AAResults *AA, LoopInfo *LI,
assert((L->isOutermost() || L->getParentLoop()->isLCSSAForm(*DT)) &&
"Parent loop not left in LCSSA form after LICM!");
+ // sink pre-header defs that are unused in-loop into the unique exit to
reduce
+ // pressure.
+ Flags.setIsSink(true);
+ Changed |= sinkUnusedInvariantsFromPreheaderToExit(L, AA, &SafetyInfo, MSSAU,
+ SE, DT, Flags, ORE);
+
if (VerifyMemorySSA)
MSSA->verifyMemorySSA();
if (Changed && SE)
SE->forgetLoopDispositions();
+
----------------
srpande wrote:
no need for new line.
https://github.com/llvm/llvm-project/pull/157559
_______________________________________________
cfe-commits mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
