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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-05-24 17:13:28 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-05-24 17:13:28 +0000 |
| commit | 7bb31e3187c0ba5a076313e5fe9dd869500a6ecf (patch) | |
| tree | 61a3cfa5194b19e813a52b55f696482ae995a309 /lib/Target/ARM/ARMISelDAGToDAG.cpp | |
| parent | 558661d2718cf5750907c449d36ff1231924a2d1 (diff) | |
| download | external_llvm-7bb31e3187c0ba5a076313e5fe9dd869500a6ecf.zip external_llvm-7bb31e3187c0ba5a076313e5fe9dd869500a6ecf.tar.gz external_llvm-7bb31e3187c0ba5a076313e5fe9dd869500a6ecf.tar.bz2 | |
Fix a few places that depended on the numeric value of subreg indices.
Add assertions in places that depend on consecutive indices.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104510 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMISelDAGToDAG.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMISelDAGToDAG.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp index 6e1c12d..9baef6b 100644 --- a/lib/Target/ARM/ARMISelDAGToDAG.cpp +++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp @@ -1107,6 +1107,7 @@ SDNode *ARMDAGToDAGISel::SelectVLD(SDNode *N, unsigned NumVecs, RegSeq = SDValue(QuadDRegs(MVT::v4i64, V0, V1, V2, V3), 0); } + assert(ARM::dsub_7 == ARM::dsub_0+7 && "Unexpected subreg numbering"); for (unsigned Vec = 0; Vec < NumVecs; ++Vec) { SDValue D = CurDAG->getTargetExtractSubreg(ARM::dsub_0+Vec, dl, VT, RegSeq); @@ -1187,6 +1188,7 @@ SDNode *ARMDAGToDAGISel::SelectVLD(SDNode *N, unsigned NumVecs, V4, V5, V6, V7), 0); // Extract out the 3 / 4 Q registers. + assert(ARM::qsub_3 == ARM::qsub_0+3 && "Unexpected subreg numbering"); for (unsigned Vec = 0; Vec < NumVecs; ++Vec) { SDValue Q = CurDAG->getTargetExtractSubreg(ARM::qsub_0+Vec, dl, VT, RegSeq); @@ -1345,6 +1347,7 @@ SDNode *ARMDAGToDAGISel::SelectVST(SDNode *N, unsigned NumVecs, V[4], V[5], V[6], V[7]), 0); // Store the even D registers. + assert(ARM::dsub_7 == ARM::dsub_0+7 && "Unexpected subreg numbering"); Ops.push_back(Reg0); // post-access address offset for (unsigned Vec = 0; Vec < NumVecs; ++Vec) Ops.push_back(CurDAG->getTargetExtractSubreg(ARM::dsub_0+Vec*2, dl, @@ -1570,6 +1573,8 @@ SDNode *ARMDAGToDAGISel::SelectVLDSTLane(SDNode *N, bool IsLoad, V[4], V[5], V[6], V[7]), 0); } + assert(ARM::dsub_7 == ARM::dsub_0+7 && "Unexpected subreg numbering"); + assert(ARM::qsub_3 == ARM::qsub_0+3 && "Unexpected subreg numbering"); unsigned SubIdx = is64BitVector ? ARM::dsub_0 : ARM::qsub_0; for (unsigned Vec = 0; Vec < NumVecs; ++Vec) ReplaceUses(SDValue(N, Vec), |