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path: root/lib/Target/ARM/ARMTargetTransformInfo.cpp
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-rw-r--r--lib/Target/ARM/ARMTargetTransformInfo.cpp25
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMTargetTransformInfo.cpp b/lib/Target/ARM/ARMTargetTransformInfo.cpp
index 03a23be0a6..634004acb4 100644
--- a/lib/Target/ARM/ARMTargetTransformInfo.cpp
+++ b/lib/Target/ARM/ARMTargetTransformInfo.cpp
@@ -77,6 +77,31 @@ public:
virtual unsigned getIntImmCost(const APInt &Imm, Type *Ty) const;
/// @}
+
+
+ /// \name Vector TTI Implementations
+ /// @{
+
+ unsigned getNumberOfRegisters(bool Vector) const {
+ if (Vector) {
+ if (ST->hasNEON())
+ return 16;
+ return 0;
+ }
+
+ if (ST->isThumb1Only())
+ return 8;
+ return 16;
+ }
+
+ unsigned getMaximumUnrollFactor() const {
+ // These are out of order CPUs:
+ if (ST->isCortexA15() || ST->isSwift())
+ return 2;
+ return 1;
+ }
+
+ /// @}
};
} // end anonymous namespace