[llvm] 1f8bead - [InstCombine] reduce code for swapped predicate; NFC

[Sanjay Patel via llvm-commits]

Author: Sanjay Patel
Date: 2021-09-28T10:00:35-04:00
New Revision: 1f8bead67820ed3e1ad590ae4f49433c3771f86c

URL: https://github.com/llvm/llvm-project/commit/1f8bead67820ed3e1ad590ae4f49433c3771f86c
DIFF: https://github.com/llvm/llvm-project/commit/1f8bead67820ed3e1ad590ae4f49433c3771f86c.diff

LOG: [InstCombine] reduce code for swapped predicate; NFC

Added: 
    

Modified: 
    llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 6ca3cb72d13c0..da41c39c10c30 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -5908,13 +5908,12 @@ Instruction *InstCombinerImpl::visitICmpInst(ICmpInst &I) {
   if (Instruction *Res = foldICmpInstWithConstantNotInt(I))
     return Res;
 
-  // If we can optimize a 'icmp GEP, P' or 'icmp P, GEP', do so now.
-  if (GEPOperator *GEP = dyn_cast<GEPOperator>(Op0))
+  // Try to optimize 'icmp GEP, P' or 'icmp P, GEP'.
+  if (auto *GEP = dyn_cast<GEPOperator>(Op0))
     if (Instruction *NI = foldGEPICmp(GEP, Op1, I.getPredicate(), I))
       return NI;
-  if (GEPOperator *GEP = dyn_cast<GEPOperator>(Op1))
-    if (Instruction *NI = foldGEPICmp(GEP, Op0,
-                           ICmpInst::getSwappedPredicate(I.getPredicate()), I))
+  if (auto *GEP = dyn_cast<GEPOperator>(Op1))
+    if (Instruction *NI = foldGEPICmp(GEP, Op0, I.getSwappedPredicate(), I))
       return NI;
 
   // Try to optimize equality comparisons against alloca-based pointers.