[llvm] 8fddf7f - [llvm] Use MachineBasicBlock::succ_empty (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2024-01-22T00:13:25-08:00
New Revision: 8fddf7fd148cbb9e5c09e351cd1be410a513702a

URL: https://github.com/llvm/llvm-project/commit/8fddf7fd148cbb9e5c09e351cd1be410a513702a
DIFF: https://github.com/llvm/llvm-project/commit/8fddf7fd148cbb9e5c09e351cd1be410a513702a.diff

LOG: [llvm] Use MachineBasicBlock::succ_empty (NFC)

Added: 
    

Modified: 
    llvm/lib/CodeGen/UnreachableBlockElim.cpp
    llvm/lib/Target/AMDGPU/AMDGPUMachineCFGStructurizer.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/UnreachableBlockElim.cpp b/llvm/lib/CodeGen/UnreachableBlockElim.cpp
index f17450d264ba07..1a60e9abbe2e26 100644
--- a/llvm/lib/CodeGen/UnreachableBlockElim.cpp
+++ b/llvm/lib/CodeGen/UnreachableBlockElim.cpp
@@ -117,7 +117,7 @@ bool UnreachableMachineBlockElim::runOnMachineFunction(MachineFunction &F) {
       if (MLI) MLI->removeBlock(&BB);
       if (MDT && MDT->getNode(&BB)) MDT->eraseNode(&BB);
 
-      while (BB.succ_begin() != BB.succ_end()) {
+      while (!BB.succ_empty()) {
         MachineBasicBlock* succ = *BB.succ_begin();
 
         for (MachineInstr &Phi : succ->phis()) {

diff  --git a/llvm/lib/Target/AMDGPU/AMDGPUMachineCFGStructurizer.cpp b/llvm/lib/Target/AMDGPU/AMDGPUMachineCFGStructurizer.cpp
index d90fcac875408e..289c35e11bebfa 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUMachineCFGStructurizer.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUMachineCFGStructurizer.cpp
@@ -1721,7 +1721,7 @@ void AMDGPUMachineCFGStructurizer::insertMergePHI(MachineBasicBlock *IfBB,
                                             unsigned CodeSourceRegister,
                                             bool IsUndefIfSource) {
   // If this is the function exit block, we don't need a phi.
-  if (MergeBB->succ_begin() == MergeBB->succ_end()) {
+  if (MergeBB->succ_empty()) {
     return;
   }
   LLVM_DEBUG(dbgs() << "Merge PHI (" << printMBBReference(*MergeBB)