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Have TargetLowering::getPICJumpTableRelocBase return a node that points to the
GOT if jump table uses 64-bit gp-relative relocation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154341 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1079,8 +1079,12 @@ unsigned TargetLowering::getJumpTableEncoding() const {
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SDValue TargetLowering::getPICJumpTableRelocBase(SDValue Table,
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SelectionDAG &DAG) const {
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// If our PIC model is GP relative, use the global offset table as the base.
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if (getJumpTableEncoding() == MachineJumpTableInfo::EK_GPRel32BlockAddress)
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unsigned JTEncoding = getJumpTableEncoding();
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if ((JTEncoding == MachineJumpTableInfo::EK_GPRel64BlockAddress) ||
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(JTEncoding == MachineJumpTableInfo::EK_GPRel32BlockAddress))
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return DAG.getGLOBAL_OFFSET_TABLE(getPointerTy());
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return Table;
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}
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@ -13,9 +13,13 @@ entry:
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; PIC-O32: lw $[[R0:[0-9]+]], %got($JTI0_0)
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; PIC-O32: addiu ${{[0-9]+}}, $[[R0]], %lo($JTI0_0)
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; PIC-O32: sll ${{[0-9]+}}, ${{[0-9]+}}, 2
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; PIC-O32: addu $[[R1:[0-9]+]], ${{[0-9]+}}, $gp
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; PIC-O32: jr $[[R1]]
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; PIC-N64: ld $[[R0:[0-9]+]], %got_page($JTI0_0)
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; PIC-N64: daddiu ${{[0-9]+}}, $[[R0]], %got_ofst($JTI0_0)
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; PIC-N64: dsll ${{[0-9]+}}, ${{[0-9]+}}, 3
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; PIC-N64: daddu $[[R1:[0-9]+]], ${{[0-9]+}}, $gp
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; PIC-N64: jr $[[R1]]
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switch i32 %0, label %bb4 [
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i32 0, label %bb5
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i32 1, label %bb1
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