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| author | Dan Gohman <gohman@apple.com> | 2009-07-24 01:01:06 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-07-24 01:01:06 +0000 |
| commit | b74f16e0ce58d57a0c28daa9a45114469933113d (patch) | |
| tree | df1853433e8617e3814258b7cbda36d71da70147 | |
| parent | 234a03d2ee5f53c2c6ffa77d02da644dfb769975 (diff) | |
| download | external_llvm-b74f16e0ce58d57a0c28daa9a45114469933113d.zip external_llvm-b74f16e0ce58d57a0c28daa9a45114469933113d.tar.gz external_llvm-b74f16e0ce58d57a0c28daa9a45114469933113d.tar.bz2 | |
Give SCEVAddRecExpr no-signed-overflow and no-unsigned-overflow flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76928 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/Analysis/ScalarEvolutionExpressions.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/Analysis/ScalarEvolutionExpressions.h b/include/llvm/Analysis/ScalarEvolutionExpressions.h index a7cea9d..830143b 100644 --- a/include/llvm/Analysis/ScalarEvolutionExpressions.h +++ b/include/llvm/Analysis/ScalarEvolutionExpressions.h @@ -459,6 +459,15 @@ namespace llvm { return SE.getAddExpr(this, getStepRecurrence(SE)); } + bool hasNoUnsignedOverflow() const { return SubclassData & (1 << 0); } + void setHasNoUnsignedOverflow(bool B) { + SubclassData = (SubclassData & ~(1 << 0)) | (B << 0); + } + bool hasNoSignedOverflow() const { return SubclassData & (1 << 1); } + void setHasNoSignedOverflow(bool B) { + SubclassData = (SubclassData & ~(1 << 1)) | (B << 1); + } + virtual void print(raw_ostream &OS) const; /// Methods for support type inquiry through isa, cast, and dyn_cast: |