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Add sub/mul overflow intrinsics. This currently doesn't have a

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target-independent way of determining overflow on multiplication. It's very
tricky. Patch by Zoltan Varga!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60800 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2008-12-09 22:08:41 +00:00
parent bc99be10b8
commit 74c3765291
15 changed files with 332 additions and 92 deletions
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2
include/llvm/Target/TargetLowering.h
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@@ -1487,7 +1487,7 @@ private:
MVT TransformToType[MVT::LAST_VALUETYPE];
// Defines the capacity of the TargetLowering::OpActions table
static const int OpActionsCapacity = 218;
static const int OpActionsCapacity = 222;
/// OpActions - For each operation and each value type, keep a LegalizeAction
/// that indicates how instruction selection should deal with the operation.