Index: lib/Target/PowerPC/PPCFrameLowering.cpp =================================================================== --- lib/Target/PowerPC/PPCFrameLowering.cpp +++ lib/Target/PowerPC/PPCFrameLowering.cpp @@ -644,6 +644,13 @@ .addImm(FPOffset) .addReg(SPReg); + if (isPIC && !isDarwinABI && !isPPC64 && MF.getInfo()->usesPICBase()) + // FIXME: On PPC32 SVR4, we must not spill before claiming the stackframe. + BuildMI(MBB, MBBI, dl, StoreInst) + .addReg(PPC::R30) + .addImm(-8U) + .addReg(SPReg); + if (HasBP) // FIXME: On PPC32 SVR4, we must not spill before claiming the stackframe. BuildMI(MBB, MBBI, dl, StoreInst) @@ -1003,6 +1010,13 @@ .addImm(FPOffset) .addReg(SPReg); + if (isPIC && !isDarwinABI && !isPPC64 && MF.getInfo()->usesPICBase()) + // FIXME: On PPC32 SVR4, we must not spill before claiming the stackframe. + BuildMI(MBB, MBBI, dl, LoadInst) + .addReg(PPC::R30) + .addImm(-8U) + .addReg(SPReg); + if (HasBP) BuildMI(MBB, MBBI, dl, LoadInst, BPReg) .addImm(BPOffset) Index: lib/Target/PowerPC/PPCISelDAGToDAG.cpp =================================================================== --- lib/Target/PowerPC/PPCISelDAGToDAG.cpp +++ lib/Target/PowerPC/PPCISelDAGToDAG.cpp @@ -307,6 +307,7 @@ if (M->getPICLevel() == PICLevel::Small) { BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MoveGOTtoLR)); BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR), GlobalBaseReg); + MF->getInfo()->setUsesPICBase(true); } else { BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR)); BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR), GlobalBaseReg); Index: test/CodeGen/PowerPC/ppc32-pic-large.ll =================================================================== --- test/CodeGen/PowerPC/ppc32-pic-large.ll +++ test/CodeGen/PowerPC/ppc32-pic-large.ll @@ -12,6 +12,7 @@ ; LARGE-BSS: [[POFF:\.L[0-9]+\$poff]]: ; LARGE-BSS-NEXT: .long .LTOC-[[PB:\.L[0-9]+\$pb]] ; LARGE-BSS-NEXT: foo: +; LARGE-BSS: stw 30, -8(1) ; LARGE-BSS: bl [[PB]] ; LARGE-BSS-NEXT: [[PB]]: ; LARGE-BSS: mflr 30 @@ -19,5 +20,6 @@ ; LARGE-BSS-NEXT: add 30, [[REG]], 30 ; LARGE-BSS: lwz [[VREG:[0-9]+]], [[VREF:\.LC[0-9]+]]-.LTOC(30) ; LARGE-BSS: lwz {{[0-9]+}}, 0([[VREG]]) +; LARGE-BSS: lwz 30, -8(1) ; LARGE-BSS: [[VREF]]: ; LARGE-BSS-NEXT: .long bar Index: test/CodeGen/PowerPC/ppc32-pic.ll =================================================================== --- test/CodeGen/PowerPC/ppc32-pic.ll +++ test/CodeGen/PowerPC/ppc32-pic.ll @@ -10,7 +10,9 @@ !llvm.module.flags = !{!0} !0 = !{i32 1, !"PIC Level", i32 1} ; SMALL-BSS-LABEL:foo: +; SMALL-BSS: stw 30, -8(1) ; SMALL-BSS: bl _GLOBAL_OFFSET_TABLE_@local-4 ; SMALL-BSS: mflr 30 ; SMALL-BSS: lwz [[VREG:[0-9]+]], bar@GOT(30) ; SMALL-BSS: lwz {{[0-9]+}}, 0([[VREG]]) +; SMALL-BSS: lwz 30, -8(1)