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| author | Chris Lattner <sabre@nondot.org> | 2004-02-15 05:54:06 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-02-15 05:54:06 +0000 |
| commit | dd2c82a427a089e7c704af44eeeb2a10a38e2519 (patch) | |
| tree | fe32745b52947d8d0fb178d6c096cdd355efee47 /lib/ExecutionEngine/ExecutionEngine.cpp | |
| parent | 896481eaa8563b8a145e541ad98bb73f8318b565 (diff) | |
Make the JIT zero out globals with memset instead of an element at a time. This
should speed it up a bit on a lot of programs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11472 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/ExecutionEngine/ExecutionEngine.cpp')
| -rw-r--r-- | lib/ExecutionEngine/ExecutionEngine.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp index 665b5c6273..4e45bfa24e 100644 --- a/lib/ExecutionEngine/ExecutionEngine.cpp +++ b/lib/ExecutionEngine/ExecutionEngine.cpp @@ -406,6 +406,10 @@ void ExecutionEngine::InitializeMemory(const Constant *Init, void *Addr) { GenericValue Val = getConstantValue(Init); StoreValueToMemory(Val, (GenericValue*)Addr, Init->getType()); return; + } else if (isa<ConstantAggregateZero>(Init)) { + unsigned Size = getTargetData().getTypeSize(Init->getType()); + memset(Addr, 0, Size); + return; } switch (Init->getType()->getPrimitiveID()) { |