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Do not introduce vector operations in functions marked with noimplicitfloat.

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<rdar://problem/12879313>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170630 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson
2012-12-20 01:36:20 +00:00
parent 46367768f7
commit 99d8e76d44
2 changed files with 22 additions and 2 deletions
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7
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@@ -25,6 +25,7 @@
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/DataLayout.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Function.h"
#include "llvm/LLVMContext.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
@@ -7748,8 +7749,10 @@ bool DAGCombiner::MergeConsecutiveStores(StoreSDNode* St) {
LastLegalVectorType = i + 1;
}
// We only use vectors if the constant is known to be zero.
if (NonZero)
// We only use vectors if the constant is known to be zero and the
// function is not marked with the noimplicitfloat attribute.
if (NonZero || (DAG.getMachineFunction().getFunction()->getFnAttributes().
hasAttribute(Attribute::NoImplicitFloat)))
LastLegalVectorType = 0;
// Check if we found a legal integer type to store.