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authorChad Rosier <mcrosier@apple.com>2012-01-26 20:19:05 +0000
committerChad Rosier <mcrosier@apple.com>2012-01-26 20:19:05 +0000
commit6a5d0e2a98003f5235ed8c3b9a439ad85d3d91d9 (patch)
treeab098045d3b0dcfacc95b820adc7aca46bc9e558 /lib/CodeGen/MachineBasicBlock.cpp
parent0162ff421deb2e7bee16aff5ed6a0a8029bcbfbe (diff)
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Update comment for r149070.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149075 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineBasicBlock.cpp')
-rw-r--r--lib/CodeGen/MachineBasicBlock.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index 0205c0af05..a991ee425f 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -537,9 +537,7 @@ bool MachineBasicBlock::canFallThrough() {
// If the block doesn't end in a known control barrier, assume fallthrough
// is possible. The isPredicated check is needed because this code can be
// called during IfConversion, where an instruction which is normally a
- // Barrier is predicated and thus no longer an actual control barrier. This
- // is over-conservative though, because if an instruction isn't actually
- // predicated we could still treat it like a barrier.
+ // Barrier is predicated and thus no longer an actual control barrier.
return empty() || !back().isBarrier() || TII->isPredicated(&back());
}