Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of

MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90634 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 1 insertions, 10 deletions

diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp
index 9fd95fde63..3887e6d44e 100644
--- a/lib/CodeGen/BranchFolding.cpp
+++ b/lib/CodeGen/BranchFolding.cpp
@@ -1140,7 +1140,7 @@ ReoptimizeBlock:
       // falls through into MBB and we can't understand the prior block's branch
       // condition.
       if (MBB->empty()) {
-        bool PredHasNoFallThrough = TII->BlockHasNoFallThrough(PrevBB);
+        bool PredHasNoFallThrough = !PrevBB.canFallThrough();
         if (PredHasNoFallThrough || !PriorUnAnalyzable ||
             !PrevBB.isSuccessor(MBB)) {
           // If the prior block falls through into us, turn it into an
diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index d9f4c997b9..917d0535b2 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -376,15 +376,6 @@ MachineVerifier::visitMachineBasicBlockBefore(const MachineBasicBlock *MBB) {
         report("MBB doesn't fall through but is empty!", MBB);
       }
     }
-    if (TII->BlockHasNoFallThrough(*MBB)) {
-      if (MBB->empty()) {
-        report("TargetInstrInfo says the block has no fall through, but the "
-               "block is empty!", MBB);
-      } else if (!MBB->back().getDesc().isBarrier()) {
-        report("TargetInstrInfo says the block has no fall through, but the "
-               "block does not end in a barrier!", MBB);
-      }
-    }
   } else {
     // Block is last in function.
     if (MBB->empty()) {