[llvm] 2ec26d3 - Revert "Add loop distribution to the LTO pipeline"

[Sanne Wouda via llvm-commits]

Author: Sanne Wouda
Date: 2020-11-03T19:29:27Z
New Revision: 2ec26d3a23155b0b825527fa3034b37f0083fcd8

URL: https://github.com/llvm/llvm-project/commit/2ec26d3a23155b0b825527fa3034b37f0083fcd8
DIFF: https://github.com/llvm/llvm-project/commit/2ec26d3a23155b0b825527fa3034b37f0083fcd8.diff

LOG: Revert "Add loop distribution to the LTO pipeline"

This reverts commit 6e80318eecde2639faa1e72be045c78b8b8aedad.

Added: 
    

Modified: 
    llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
    llvm/test/Other/opt-LTO-pipeline.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
index b38d51a8d94b..93c548a526f0 100644
--- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -1055,7 +1055,6 @@ void PassManagerBuilder::addLTOOptimizationPasses(legacy::PassManagerBase &PM) {
   // Unroll small loops
   PM.add(createSimpleLoopUnrollPass(OptLevel, DisableUnrollLoops,
                                     ForgetAllSCEVInLoopUnroll));
-  PM.add(createLoopDistributePass());
   PM.add(createLoopVectorizePass(true, !LoopVectorize));
   // The vectorizer may have significantly shortened a loop body; unroll again.
   PM.add(createLoopUnrollPass(OptLevel, DisableUnrollLoops,

diff  --git a/llvm/test/Other/opt-LTO-pipeline.ll b/llvm/test/Other/opt-LTO-pipeline.ll
index fc35e6d4148a..bcd9cfe15794 100644
--- a/llvm/test/Other/opt-LTO-pipeline.ll
+++ b/llvm/test/Other/opt-LTO-pipeline.ll
@@ -128,17 +128,9 @@
 ; CHECK-NEXT:         Induction Variable Simplification
 ; CHECK-NEXT:         Delete dead loops
 ; CHECK-NEXT:         Unroll loops
-; CHECK-NEXT:       Loop Access Analysis
-; CHECK-NEXT:       Lazy Branch Probability Analysis
-; CHECK-NEXT:       Lazy Block Frequency Analysis
-; CHECK-NEXT:       Optimization Remark Emitter
-; CHECK-NEXT:       Loop Distribution
 ; CHECK-NEXT:       Post-Dominator Tree Construction
 ; CHECK-NEXT:       Branch Probability Analysis
 ; CHECK-NEXT:       Block Frequency Analysis
-; CHECK-NEXT:       Scalar Evolution Analysis
-; CHECK-NEXT:       Basic Alias Analysis (stateless AA impl)
-; CHECK-NEXT:       Function Alias Analysis Results
 ; CHECK-NEXT:       Loop Access Analysis
 ; CHECK-NEXT:       Demanded bits analysis
 ; CHECK-NEXT:       Lazy Branch Probability Analysis