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Add some patterns for PIC PC-relative loads and stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37269 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -554,11 +554,50 @@ PseudoInst<(ops i32imm:$line, i32imm:$col, i32imm:$file),
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def PICADD : AXI1<(ops GPR:$dst, GPR:$a, pclabel:$cp, pred:$p),
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"$cp:\n\tadd$p $dst, pc, $a",
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[(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
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let AddedComplexity = 10 in
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let isLoad = 1, AddedComplexity = 10 in {
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def PICLD : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
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"${addr:label}:\n\tldr$p $dst, $addr",
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[(set GPR:$dst, (load addrmodepc:$addr))]>;
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def PICLDZH : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
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"${addr:label}:\n\tldr${p}h $dst, $addr",
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[(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
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def PICLDZB : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
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"${addr:label}:\n\tldr${p}b $dst, $addr",
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[(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
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def PICLDH : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
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"${addr:label}:\n\tldr${p}h $dst, $addr",
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[(set GPR:$dst, (extloadi16 addrmodepc:$addr))]>;
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def PICLDB : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
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"${addr:label}:\n\tldr${p}b $dst, $addr",
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[(set GPR:$dst, (extloadi8 addrmodepc:$addr))]>;
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def PICLDSH : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
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"${addr:label}:\n\tldr${p}sh $dst, $addr",
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[(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
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def PICLDSB : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
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"${addr:label}:\n\tldr${p}sb $dst, $addr",
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[(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
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}
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let isStore = 1, AddedComplexity = 10 in {
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def PICSTR : AXI2<(ops GPR:$src, addrmodepc:$addr, pred:$p),
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"${addr:label}:\n\tstr$p $src, $addr",
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[(store GPR:$src, addrmodepc:$addr)]>;
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def PICSTRH : AXI2<(ops GPR:$src, addrmodepc:$addr, pred:$p),
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"${addr:label}:\n\tstr${p}h $src, $addr",
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[(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
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def PICSTRB : AXI2<(ops GPR:$src, addrmodepc:$addr, pred:$p),
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"${addr:label}:\n\tstr${p}b $src, $addr",
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[(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
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}
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//===----------------------------------------------------------------------===//
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// Control Flow Instructions.
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//
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