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Add aliasing meta data to loads and stores

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This commit is contained in:
Magnus Norddahl 2016-10-08 09:29:26 +02:00
commit fc07a25306
22 changed files with 260 additions and 189 deletions
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10
src/r_compiler/ssa/ssa_value.cpp
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@ -4,14 +4,18 @@
#include "ssa_int.h"
#include "ssa_scope.h"
SSAValue SSAValue::load()
SSAValue SSAValue::load(bool constantScopeDomain)
{
return SSAValue::from_llvm(SSAScope::builder().CreateLoad(v, false));
auto loadInst = SSAScope::builder().CreateLoad(v, false);
if (constantScopeDomain)
loadInst->setMetadata(llvm::LLVMContext::MD_alias_scope, SSAScope::constant_scope_list());
return SSAValue::from_llvm(loadInst);
}
void SSAValue::store(llvm::Value *value)
{
SSAScope::builder().CreateStore(value, v, false);
auto inst = SSAScope::builder().CreateStore(value, v, false);
inst->setMetadata(llvm::LLVMContext::MD_noalias, SSAScope::constant_scope_list());
}
SSAIndexLookup SSAValue::operator[](int index)