[llvm] f7381a7 - Revert 29fada4a3d3db309f11f7fa7a0c61cd4021e9947

[Alina Sbirlea via llvm-commits]

Author: Alina Sbirlea
Date: 2022-03-28T16:17:41-07:00
New Revision: f7381a795ab235d34c94eaf01dc880eb5b89619d

URL: https://github.com/llvm/llvm-project/commit/f7381a795ab235d34c94eaf01dc880eb5b89619d
DIFF: https://github.com/llvm/llvm-project/commit/f7381a795ab235d34c94eaf01dc880eb5b89619d.diff

LOG: Revert 29fada4a3d3db309f11f7fa7a0c61cd4021e9947

Seeing a test failure with asan in Halide generated code, reverting
while I investigate.

Differential Revision: https://reviews.llvm.org/D121987

Added: 
    

Modified: 
    llvm/lib/Transforms/Scalar/EarlyCSE.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
index 331e9b429d4ba..ac0cc9560c69d 100644
--- a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
+++ b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
@@ -598,7 +598,10 @@ class EarlyCSE {
            const TargetTransformInfo &TTI, DominatorTree &DT,
            AssumptionCache &AC, MemorySSA *MSSA)
       : TLI(TLI), TTI(TTI), DT(DT), AC(AC), SQ(DL, &TLI, &DT, &AC), MSSA(MSSA),
-        MSSAUpdater(std::make_unique<MemorySSAUpdater>(MSSA)) {}
+        MSSAUpdater(std::make_unique<MemorySSAUpdater>(MSSA)) {
+    if (MSSA)
+      MSSA->ensureOptimizedUses();
+  }
 
   bool run();