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author | Kazu Hirata <kazu@google.com> | 2024-06-15 13:21:07 -0700 |
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committer | GitHub <noreply@github.com> | 2024-06-15 13:21:07 -0700 |
commit | 50e222fa27bb636a392a6d6065f03a5469526ebf (patch) | |
tree | 4e4d22d37333b53808051ac83f4e8d0a78e05099 /llvm/lib/CodeGen | |
parent | 213e308633e533f74f04269766989bb89fde0921 (diff) | |
download | llvm-50e222fa27bb636a392a6d6065f03a5469526ebf.zip llvm-50e222fa27bb636a392a6d6065f03a5469526ebf.tar.gz llvm-50e222fa27bb636a392a6d6065f03a5469526ebf.tar.bz2 |
[MachineSink] Use SmallDenseMap (NFC) (#95676)
The use of SmallDenseMap saves 0.39% of heap allocations during the
compilation of a large preprocessed file, namely X86ISelLowering.cpp,
for the X86 target.
Diffstat (limited to 'llvm/lib/CodeGen')
-rw-r--r-- | llvm/lib/CodeGen/MachineSink.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineSink.cpp b/llvm/lib/CodeGen/MachineSink.cpp index 81b2fcfe..76947a4 100644 --- a/llvm/lib/CodeGen/MachineSink.cpp +++ b/llvm/lib/CodeGen/MachineSink.cpp @@ -138,7 +138,7 @@ namespace { DenseSet<Register> RegsToClearKillFlags; using AllSuccsCache = - DenseMap<MachineBasicBlock *, SmallVector<MachineBasicBlock *, 4>>; + SmallDenseMap<MachineBasicBlock *, SmallVector<MachineBasicBlock *, 4>>; /// DBG_VALUE pointer and flag. The flag is true if this DBG_VALUE is /// post-dominated by another DBG_VALUE of the same variable location. |