[llvm] 3b0d30f - [SCEVExpander] Name temporary instructions for LCSSA insertion (NFC).

[Florian Hahn via llvm-commits]

Author: Florian Hahn
Date: 2020-07-31T18:16:46+01:00
New Revision: 3b0d30ffd30a704d09a34031d8797e22b708caab

URL: https://github.com/llvm/llvm-project/commit/3b0d30ffd30a704d09a34031d8797e22b708caab
DIFF: https://github.com/llvm/llvm-project/commit/3b0d30ffd30a704d09a34031d8797e22b708caab.diff

LOG: [SCEVExpander] Name temporary instructions for LCSSA insertion (NFC).

Added: 
    

Modified: 
    llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp b/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
index 1a10e580c68c..d31bf6791075 100644
--- a/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
+++ b/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
@@ -1771,10 +1771,12 @@ Value *SCEVExpander::expandCodeForImpl(const SCEV *SH, Type *Ty, bool Root) {
       // instruction.
       Instruction *Tmp;
       if (Inst->getType()->isIntegerTy())
-        Tmp = cast<Instruction>(Builder.CreateAdd(Inst, Inst));
+        Tmp =
+            cast<Instruction>(Builder.CreateAdd(Inst, Inst, "tmp.lcssa.user"));
       else {
         assert(Inst->getType()->isPointerTy());
-        Tmp = cast<Instruction>(Builder.CreateGEP(Inst, Builder.getInt32(1)));
+        Tmp = cast<Instruction>(
+            Builder.CreateGEP(Inst, Builder.getInt32(1), "tmp.lcssa.user"));
       }
       V = fixupLCSSAFormFor(Tmp, 0);