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author | Dale Johannesen <dalej@apple.com> | 2007-03-20 21:54:54 +0000 |
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committer | Dale Johannesen <dalej@apple.com> | 2007-03-20 21:54:54 +0000 |
commit | 8e59e163db8cd3e7b4c96e438fbedf78bff06707 (patch) | |
tree | 00cc4ff26c89511c0db563a4c9e9742b4ff74b1e /lib/Target/ARM/ARMISelLowering.cpp | |
parent | 69cb9b78f11d505f4351a269fc90e7b77fcda437 (diff) | |
download | llvm-8e59e163db8cd3e7b4c96e438fbedf78bff06707.tar.gz llvm-8e59e163db8cd3e7b4c96e438fbedf78bff06707.tar.bz2 llvm-8e59e163db8cd3e7b4c96e438fbedf78bff06707.tar.xz |
do not share old induction variables when this would result in invalid
instructions (that would have to be split later)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35227 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMISelLowering.cpp')
-rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index bd7fa5cf6c..17a41c5aaa 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -1379,6 +1379,24 @@ bool ARMTargetLowering::isLegalAddressScale(int64_t S, const Type *Ty) const { } } +/// isLegalAddressScaleAndImm - Return true if S works for IsLegalAddressScale +/// and V works for isLegalAddressImmediate _and_ both can be applied +/// simultaneously to the same instruction. +bool ARMTargetLowering::isLegalAddressScaleAndImm(int64_t S, int64_t V, + const Type* Ty) const { + if (V == 0) + return isLegalAddressScale(S, Ty); + return false; +} + +/// isLegalAddressScaleAndImm - Return true if S works for IsLegalAddressScale +/// and GV works for isLegalAddressImmediate _and_ both can be applied +/// simultaneously to the same instruction. +bool ARMTargetLowering::isLegalAddressScaleAndImm(int64_t S, + GlobalValue *GV) const { + return false; +} + static bool getIndexedAddressParts(SDNode *Ptr, MVT::ValueType VT, bool isSEXTLoad, SDOperand &Base, SDOperand &Offset, bool &isInc, |