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Diffstat (limited to 'llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp')
-rw-r--r--llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp5
1 files changed, 0 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index d58e1ea574ef..c7e9c919ec47 100644
--- a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -595,11 +595,6 @@ void PromoteMem2Reg::run() {
// Keep the reverse mapping of the 'Allocas' array for the rename pass.
AllocaLookup[Allocas[AllocaNum]] = AllocaNum;
- // At this point, we're committed to promoting the alloca using IDF's, and
- // the standard SSA construction algorithm. Determine which blocks need PHI
- // nodes and see if we can optimize out some work by avoiding insertion of
- // dead phi nodes.
-
// Unique the set of defining blocks for efficient lookup.
SmallPtrSet<BasicBlock *, 32> DefBlocks(Info.DefiningBlocks.begin(),
Info.DefiningBlocks.end());