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| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2018-04-06 17:51:57 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2018-04-06 17:51:57 +0000 |
| commit | ed04f024324dce23beee1128abd6f2584df1bb43 (patch) | |
| tree | 701c2df7f3b5371d3026a16b11586b00be6af118 /llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp | |
| parent | 93af966747b59d37c57312a0c0242151076c072b (diff) | |
| download | bcm5719-llvm-ed04f024324dce23beee1128abd6f2584df1bb43.tar.gz bcm5719-llvm-ed04f024324dce23beee1128abd6f2584df1bb43.zip | |
[Hexagon] Handle subregisters when calculating iteration count in HW loops
llvm-svn: 329434
Diffstat (limited to 'llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp')
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp b/llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp index 715fd52f3ac..0703606b7a7 100644 --- a/llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp +++ b/llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp @@ -928,6 +928,7 @@ CountValue *HexagonHardwareLoops::computeCount(MachineLoop *Loop, // 'Add' instruction. const MachineInstr *EndValInstr = MRI->getVRegDef(End->getReg()); if (EndValInstr->getOpcode() == Hexagon::A2_addi && + EndValInstr->getOperand(1).getSubReg() == 0 && EndValInstr->getOperand(2).getImm() == StartV) { DistR = EndValInstr->getOperand(1).getReg(); } else { |
