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| author | Craig Topper <craig.topper@intel.com> | 2020-09-02 20:44:12 -0700 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2020-09-02 20:44:12 -0700 |
| commit | b16e8687ab6c977ddab3409939e867828f394311 (patch) | |
| tree | ff3e386b6bcf8c179cbf58c76d36156b5f9c13e2 /llvm/lib/Analysis/VectorUtils.cpp | |
| parent | ca134374b74e2c2c6e96695502f3a0974c1da4c1 (diff) | |
| download | llvm-b16e8687ab6c977ddab3409939e867828f394311.zip llvm-b16e8687ab6c977ddab3409939e867828f394311.tar.gz llvm-b16e8687ab6c977ddab3409939e867828f394311.tar.bz2 | |
[CodeGenPrepare][X86] Teach optimizeGatherScatterInst to turn a splat pointer into GEP with scalar base and 0 index
This helps SelectionDAGBuilder recognize the splat can be used as a uniform base.
Reviewed By: RKSimon
Differential Revision: https://reviews.llvm.org/D86371
Diffstat (limited to 'llvm/lib/Analysis/VectorUtils.cpp')
| -rw-r--r-- | llvm/lib/Analysis/VectorUtils.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/VectorUtils.cpp b/llvm/lib/Analysis/VectorUtils.cpp index 0bc8b72..e241300 100644 --- a/llvm/lib/Analysis/VectorUtils.cpp +++ b/llvm/lib/Analysis/VectorUtils.cpp @@ -342,7 +342,7 @@ int llvm::getSplatIndex(ArrayRef<int> Mask) { /// This function is not fully general. It checks only 2 cases: /// the input value is (1) a splat constant vector or (2) a sequence /// of instructions that broadcasts a scalar at element 0. -const llvm::Value *llvm::getSplatValue(const Value *V) { +Value *llvm::getSplatValue(const Value *V) { if (isa<VectorType>(V->getType())) if (auto *C = dyn_cast<Constant>(V)) return C->getSplatValue(); |