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add debug safety for left shifting

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See #46
This commit is contained in:
Andrew Kelley
2016-05-06 15:46:38 -07:00
parent 0c96920172
commit 100802cdc0
4 changed files with 79 additions and 5 deletions
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15
src/zig_llvm.cpp
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@@ -661,14 +661,25 @@ static AtomicOrdering mapFromLLVMOrdering(LLVMAtomicOrdering Ordering) {
LLVMValueRef ZigLLVMBuildCmpXchg(LLVMBuilderRef builder, LLVMValueRef ptr, LLVMValueRef cmp,
LLVMValueRef new_val, LLVMAtomicOrdering success_ordering,
LLVMAtomicOrdering failure_ordering,
const char *name)
LLVMAtomicOrdering failure_ordering)
{
return wrap(unwrap(builder)->CreateAtomicCmpXchg(unwrap(ptr), unwrap(cmp), unwrap(new_val),
mapFromLLVMOrdering(success_ordering), mapFromLLVMOrdering(failure_ordering),
CrossThread));
}
LLVMValueRef ZigLLVMBuildNSWShl(LLVMBuilderRef builder, LLVMValueRef LHS, LLVMValueRef RHS,
const char *name)
{
return wrap(unwrap(builder)->CreateShl(unwrap(LHS), unwrap(RHS), name, false, true));
}
LLVMValueRef ZigLLVMBuildNUWShl(LLVMBuilderRef builder, LLVMValueRef LHS, LLVMValueRef RHS,
const char *name)
{
return wrap(unwrap(builder)->CreateShl(unwrap(LHS), unwrap(RHS), name, false, true));
}
//------------------------------------