[llvm] r373378 - [Dominators][CodeGen] Don't mark MachineDominatorTree as preserved in MachineLICM

[Jakub Kuderski via llvm-commits]

Author: kuhar
Date: Tue Oct  1 11:27:44 2019
New Revision: 373378

URL: http://llvm.org/viewvc/llvm-project?rev=373378&view=rev
Log:
[Dominators][CodeGen] Don't mark MachineDominatorTree as preserved in MachineLICM

Modified:
    llvm/trunk/lib/CodeGen/MachineLICM.cpp
    llvm/trunk/test/CodeGen/AArch64/O3-pipeline.ll
    llvm/trunk/test/CodeGen/ARM/O3-pipeline.ll
    llvm/trunk/test/CodeGen/X86/O3-pipeline.ll

Modified: llvm/trunk/lib/CodeGen/MachineLICM.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineLICM.cpp?rev=373378&r1=373377&r2=373378&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineLICM.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineLICM.cpp Tue Oct  1 11:27:44 2019
@@ -153,7 +153,6 @@ namespace {
       AU.addRequired<MachineDominatorTree>();
       AU.addRequired<AAResultsWrapperPass>();
       AU.addPreserved<MachineLoopInfo>();
-      AU.addPreserved<MachineDominatorTree>();
       MachineFunctionPass::getAnalysisUsage(AU);
     }
 

Modified: llvm/trunk/test/CodeGen/AArch64/O3-pipeline.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/O3-pipeline.ll?rev=373378&r1=373377&r2=373378&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/O3-pipeline.ll (original)
+++ llvm/trunk/test/CodeGen/AArch64/O3-pipeline.ll Tue Oct  1 11:27:44 2019
@@ -101,6 +101,7 @@
 ; CHECK-NEXT:       MachineDominator Tree Construction
 ; CHECK-NEXT:       Machine Natural Loop Construction
 ; CHECK-NEXT:       Early Machine Loop Invariant Code Motion
+; CHECK-NEXT:       MachineDominator Tree Construction
 ; CHECK-NEXT:       Machine Block Frequency Analysis
 ; CHECK-NEXT:       Machine Common Subexpression Elimination
 ; CHECK-NEXT:       MachinePostDominator Tree Construction

Modified: llvm/trunk/test/CodeGen/ARM/O3-pipeline.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/O3-pipeline.ll?rev=373378&r1=373377&r2=373378&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/O3-pipeline.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/O3-pipeline.ll Tue Oct  1 11:27:44 2019
@@ -74,6 +74,7 @@
 ; CHECK-NEXT:      MachineDominator Tree Construction
 ; CHECK-NEXT:      Machine Natural Loop Construction
 ; CHECK-NEXT:      Early Machine Loop Invariant Code Motion
+; CHECK-NEXT:      MachineDominator Tree Construction
 ; CHECK-NEXT:      Machine Block Frequency Analysis
 ; CHECK-NEXT:      Machine Common Subexpression Elimination
 ; CHECK-NEXT:      MachinePostDominator Tree Construction

Modified: llvm/trunk/test/CodeGen/X86/O3-pipeline.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/O3-pipeline.ll?rev=373378&r1=373377&r2=373378&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/O3-pipeline.ll (original)
+++ llvm/trunk/test/CodeGen/X86/O3-pipeline.ll Tue Oct  1 11:27:44 2019
@@ -84,6 +84,7 @@
 ; CHECK-NEXT:       MachineDominator Tree Construction
 ; CHECK-NEXT:       Machine Natural Loop Construction
 ; CHECK-NEXT:       Early Machine Loop Invariant Code Motion
+; CHECK-NEXT:       MachineDominator Tree Construction
 ; CHECK-NEXT:       Machine Block Frequency Analysis
 ; CHECK-NEXT:       Machine Common Subexpression Elimination
 ; CHECK-NEXT:       MachinePostDominator Tree Construction
@@ -130,6 +131,7 @@
 ; CHECK-NEXT:       X86 FP Stackifier
 ; CHECK-NEXT:       PostRA Machine Sink
 ; CHECK-NEXT:       Machine Block Frequency Analysis
+; CHECK-NEXT:       MachineDominator Tree Construction
 ; CHECK-NEXT:       MachinePostDominator Tree Construction
 ; CHECK-NEXT:       Lazy Machine Block Frequency Analysis
 ; CHECK-NEXT:       Machine Optimization Remark Emitter