Implement initial-exec TLS for PPC32.
llvm-svn: 197824
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index 7682f1a..a00e37a 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -670,6 +670,7 @@
case PPCISD::ADDIS_TOC_HA: return "PPCISD::ADDIS_TOC_HA";
case PPCISD::LD_TOC_L: return "PPCISD::LD_TOC_L";
case PPCISD::ADDI_TOC_L: return "PPCISD::ADDI_TOC_L";
+ case PPCISD::PPC32_GOT: return "PPCISD::PPC32_GOT";
case PPCISD::ADDIS_GOT_TPREL_HA: return "PPCISD::ADDIS_GOT_TPREL_HA";
case PPCISD::LD_GOT_TPREL_L: return "PPCISD::LD_GOT_TPREL_L";
case PPCISD::ADD_TLS: return "PPCISD::ADD_TLS";
@@ -1431,18 +1432,19 @@
return DAG.getNode(PPCISD::Lo, dl, PtrVT, TGALo, Hi);
}
- if (!is64bit)
- llvm_unreachable("only local-exec is currently supported for ppc32");
-
if (Model == TLSModel::InitialExec) {
SDValue TGA = DAG.getTargetGlobalAddress(GV, dl, PtrVT, 0, 0);
SDValue TGATLS = DAG.getTargetGlobalAddress(GV, dl, PtrVT, 0,
PPCII::MO_TLS);
- SDValue GOTReg = DAG.getRegister(PPC::X2, MVT::i64);
- SDValue TPOffsetHi = DAG.getNode(PPCISD::ADDIS_GOT_TPREL_HA, dl,
- PtrVT, GOTReg, TGA);
+ SDValue GOTPtr;
+ if (is64bit) {
+ SDValue GOTReg = DAG.getRegister(PPC::X2, MVT::i64);
+ GOTPtr = DAG.getNode(PPCISD::ADDIS_GOT_TPREL_HA, dl,
+ PtrVT, GOTReg, TGA);
+ } else
+ GOTPtr = DAG.getNode(PPCISD::PPC32_GOT, dl, PtrVT);
SDValue TPOffset = DAG.getNode(PPCISD::LD_GOT_TPREL_L, dl,
- PtrVT, TGA, TPOffsetHi);
+ PtrVT, TGA, GOTPtr);
return DAG.getNode(PPCISD::ADD_TLS, dl, PtrVT, TPOffset, TGATLS);
}