Index: llvm/lib/Target/AMDGPU/SIISelLowering.cpp =================================================================== --- llvm/lib/Target/AMDGPU/SIISelLowering.cpp +++ llvm/lib/Target/AMDGPU/SIISelLowering.cpp @@ -3293,9 +3293,15 @@ auto InsPt = emitLoadM0FromVGPRLoop(TII, MRI, MBB, *LoopBB, DL, *Idx, InitResultReg, DstReg, PhiReg, TmpExec, Offset, UseGPRIdxMode, IsIndirectSrc); - - MachineBasicBlock::iterator First = RemainderBB->begin(); - BuildMI(*RemainderBB, First, DL, TII->get(MovExecOpc), Exec) + MachineBasicBlock* LandingPad = MF->CreateMachineBasicBlock(); + MachineFunction::iterator MBBI(LoopBB); + ++MBBI; + MF->insert(MBBI, LandingPad); + LoopBB->removeSuccessor(RemainderBB); + LandingPad->addSuccessor(RemainderBB); + LoopBB->addSuccessor(LandingPad); + MachineBasicBlock::iterator First = LandingPad->begin(); + BuildMI(*LandingPad, First, DL, TII->get(MovExecOpc), Exec) .addReg(SaveExec); return InsPt; Index: llvm/test/CodeGen/AMDGPU/indirect-addressing-term.ll =================================================================== --- llvm/test/CodeGen/AMDGPU/indirect-addressing-term.ll +++ llvm/test/CodeGen/AMDGPU/indirect-addressing-term.ll @@ -79,7 +79,7 @@ ; GCN: SI_SPILL_V32_SAVE killed $vgpr1, %stack.4, $sgpr96_sgpr97_sgpr98_sgpr99, $sgpr3, 0, implicit $exec :: (store 4 into %stack.4, addrspace 5) ; GCN: SI_SPILL_S64_SAVE killed $sgpr24_sgpr25, %stack.5, implicit $exec, implicit $sgpr96_sgpr97_sgpr98_sgpr99, implicit $sgpr3 :: (store 8 into %stack.5, align 4, addrspace 5) ; GCN: bb.1: - ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: successors: %bb.1(0x40000000), %bb.3(0x40000000) ; GCN: $sgpr0_sgpr1 = SI_SPILL_S64_RESTORE %stack.5, implicit $exec, implicit $sgpr96_sgpr97_sgpr98_sgpr99, implicit $sgpr3 :: (load 8 from %stack.5, align 4, addrspace 5) ; GCN: $vgpr0 = SI_SPILL_V32_RESTORE %stack.4, $sgpr96_sgpr97_sgpr98_sgpr99, $sgpr3, 0, implicit $exec :: (load 4 from %stack.4, addrspace 5) ; GCN: $vgpr1 = SI_SPILL_V32_RESTORE %stack.0, $sgpr96_sgpr97_sgpr98_sgpr99, $sgpr3, 0, implicit $exec :: (load 4 from %stack.0, addrspace 5) @@ -99,9 +99,11 @@ ; GCN: SI_SPILL_V32_SAVE killed $vgpr18, %stack.8, $sgpr96_sgpr97_sgpr98_sgpr99, $sgpr3, 0, implicit $exec :: (store 4 into %stack.8, addrspace 5) ; GCN: $exec = S_XOR_B64_term $exec, killed renamable $sgpr4_sgpr5, implicit-def $scc ; GCN: S_CBRANCH_EXECNZ %bb.1, implicit $exec - ; GCN: bb.2: + ; GCN: bb.3: + ; GCN: successors: %bb.2(0x80000000) ; GCN: $sgpr0_sgpr1 = SI_SPILL_S64_RESTORE %stack.3, implicit $exec, implicit $sgpr96_sgpr97_sgpr98_sgpr99, implicit $sgpr3 :: (load 8 from %stack.3, align 4, addrspace 5) - ; GCN: $exec = S_MOV_B64 renamable $sgpr0_sgpr1 + ; GCN: $exec = S_MOV_B64 killed renamable $sgpr0_sgpr1 + ; GCN: bb.2: ; GCN: $vgpr0 = SI_SPILL_V32_RESTORE %stack.8, $sgpr96_sgpr97_sgpr98_sgpr99, $sgpr3, 0, implicit $exec :: (load 4 from %stack.8, addrspace 5) ; GCN: $sgpr4_sgpr5_sgpr6_sgpr7 = SI_SPILL_S128_RESTORE %stack.1, implicit $exec, implicit $sgpr96_sgpr97_sgpr98_sgpr99, implicit $sgpr3 :: (load 16 from %stack.1, align 4, addrspace 5) ; GCN: BUFFER_STORE_DWORD_OFFSET renamable $vgpr0, renamable $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into %ir.out.load, addrspace 1)