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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-09-23 22:10:33 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-09-23 22:10:33 +0000 |
| commit | 2056d15bd917bb025c16cf7517c2eecc3d1df392 (patch) | |
| tree | 95cd51c08707a2ac36762a78ecb1b6c3fcf8be88 /llvm/lib | |
| parent | 27f58c2e66dc0c26d887f6552993a328201f0da0 (diff) | |
| download | bcm5719-llvm-2056d15bd917bb025c16cf7517c2eecc3d1df392.tar.gz bcm5719-llvm-2056d15bd917bb025c16cf7517c2eecc3d1df392.zip | |
Also match negative offsets for addrmode3 and addrmode5.
Math is hard, and isScaledConstantInRange() always returned false for
negative constants. It was doing unsigned division of negative numbers
before casting back to signed.
llvm-svn: 140425
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp index e05589eb5ba..66fc754dd01 100644 --- a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp +++ b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp @@ -305,10 +305,10 @@ static bool isOpcWithIntImmediate(SDNode *N, unsigned Opc, unsigned& Imm) { /// (N * Scale) where (N in [\arg RangeMin, \arg RangeMax). /// /// \param ScaledConstant [out] - On success, the pre-scaled constant value. -static bool isScaledConstantInRange(SDValue Node, unsigned Scale, +static bool isScaledConstantInRange(SDValue Node, int Scale, int RangeMin, int RangeMax, int &ScaledConstant) { - assert(Scale && "Invalid scale!"); + assert(Scale > 0 && "Invalid scale!"); // Check that this is a constant. const ConstantSDNode *C = dyn_cast<ConstantSDNode>(Node); |
