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ARM: remove special cases for Darwin dynamic-no-pic mode.

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These are handled almost identically to static mode (and ELF's global address
materialisation), except that a symbol may have "$non_lazy_ptr" appended. This
can be handled by passing appropriate flags along with the instruction instead
of using entirely separate pseudo-instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195655 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tim Northover
2013-11-25 16:24:52 +00:00
parent c7daeb3098
commit ff3808915c
11 changed files with 73 additions and 104 deletions
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9
lib/Target/ARM/ARMFastISel.cpp
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@@ -685,19 +685,20 @@ unsigned ARMFastISel::ARMMaterializeGV(const GlobalValue *GV, MVT VT) {
if (Subtarget->useMovt() &&
Subtarget->isTargetDarwin() == (RelocM != Reloc::Static)) {
unsigned Opc;
unsigned char TF = 0;
if (Subtarget->isTargetDarwin() && RelocM != Reloc::Static)
TF = ARMII::MO_NONLAZY;
switch (RelocM) {
case Reloc::PIC_:
Opc = isThumb2 ? ARM::t2MOV_ga_pcrel : ARM::MOV_ga_pcrel;
break;
case Reloc::DynamicNoPIC:
Opc = isThumb2 ? ARM::t2MOV_ga_dyn : ARM::MOV_ga_dyn;
break;
default:
Opc = isThumb2 ? ARM::t2MOVi32imm : ARM::MOVi32imm;
break;
}
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(Opc),
DestReg).addGlobalAddress(GV));
DestReg).addGlobalAddress(GV, 0, TF));
} else {
// MachineConstantPool wants an explicit alignment.
unsigned Align = TD.getPrefTypeAlignment(GV->getType());