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authorNadav Rotem <nrotem@apple.com>2013-01-09 01:15:42 +0000
committerNadav Rotem <nrotem@apple.com>2013-01-09 01:15:42 +0000
commit83be7b0dd3ae9a3cb22d36ae4c1775972553b94b (patch)
tree5ca1c69275faaa284ac3abe27e3f56c31b0e0ae1 /lib/Analysis
parentd700a2f9c54e3312d28c132663bf60f81662b7f7 (diff)
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Cost Model: Move the 'max unroll factor' variable to the TTI and add initial Cost Model support on ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171928 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis')
-rw-r--r--lib/Analysis/TargetTransformInfo.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Analysis/TargetTransformInfo.cpp b/lib/Analysis/TargetTransformInfo.cpp
index 63f495a..02af2d3 100644
--- a/lib/Analysis/TargetTransformInfo.cpp
+++ b/lib/Analysis/TargetTransformInfo.cpp
@@ -92,6 +92,10 @@ unsigned TargetTransformInfo::getNumberOfRegisters(bool Vector) const {
return PrevTTI->getNumberOfRegisters(Vector);
}
+unsigned TargetTransformInfo::getMaximumUnrollFactor() const {
+ return PrevTTI->getMaximumUnrollFactor();
+}
+
unsigned TargetTransformInfo::getArithmeticInstrCost(unsigned Opcode,
Type *Ty) const {
return PrevTTI->getArithmeticInstrCost(Opcode, Ty);
@@ -216,6 +220,10 @@ struct NoTTI : ImmutablePass, TargetTransformInfo {
return 8;
}
+ unsigned getMaximumUnrollFactor() const {
+ return 1;
+ }
+
unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const {
return 1;
}