Index: llvm/trunk/lib/Target/AMDGPU/AMDGPUGISel.td =================================================================== --- llvm/trunk/lib/Target/AMDGPU/AMDGPUGISel.td +++ llvm/trunk/lib/Target/AMDGPU/AMDGPUGISel.td @@ -128,6 +128,9 @@ def : GISelSop2Pat ; def : GISelVop2Pat ; +def : GISelSop2Pat ; +def : GISelVop2Pat ; + def : GISelSop2Pat ; let AddedComplexity = 100 in { let SubtargetPredicate = isGFX6GFX7 in { Index: llvm/trunk/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp =================================================================== --- llvm/trunk/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp +++ llvm/trunk/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp @@ -1056,10 +1056,12 @@ } switch (I.getOpcode()) { + case TargetOpcode::G_ADD: + if (selectG_ADD(I)) + return true; + LLVM_FALLTHROUGH; default: return selectImpl(I, CoverageInfo); - case TargetOpcode::G_ADD: - return selectG_ADD(I); case TargetOpcode::G_INTTOPTR: case TargetOpcode::G_BITCAST: return selectCOPY(I); Index: llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/inst-select-add.mir =================================================================== --- llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/inst-select-add.mir +++ llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/inst-select-add.mir @@ -0,0 +1,43 @@ +# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py +# RUN: llc -march=amdgcn -run-pass=instruction-select -verify-machineinstrs -global-isel %s -o - | FileCheck %s -check-prefixes=GCN + +--- +name: add_i32 +legalized: true +regBankSelected: true + +body: | + bb.0: + liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr3_vgpr4 + ; GCN-LABEL: name: add_i32 + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1 + ; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; GCN: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4 + ; GCN: [[S_ADD_I32_:%[0-9]+]]:sreg_32_xm0 = S_ADD_I32 [[COPY]], [[COPY1]], implicit-def $scc + ; GCN: [[V_ADD_I32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_I32_e32 [[S_ADD_I32_]], [[COPY2]], implicit-def $vcc, implicit $exec + ; GCN: [[V_ADD_I32_e32_1:%[0-9]+]]:vgpr_32 = V_ADD_I32_e32 [[S_ADD_I32_]], [[V_ADD_I32_e32_]], implicit-def $vcc, implicit $exec + ; GCN: [[V_ADD_I32_e32_2:%[0-9]+]]:vgpr_32 = V_ADD_I32_e32 [[V_ADD_I32_e32_1]], [[COPY2]], implicit-def $vcc, implicit $exec + ; GCN: FLAT_STORE_DWORD [[COPY3]], [[V_ADD_I32_e32_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr + %0:sgpr(s32) = COPY $sgpr0 + %1:sgpr(s32) = COPY $sgpr1 + %2:vgpr(s32) = COPY $vgpr0 + %3:vgpr(p1) = COPY $vgpr3_vgpr4 + %4:sgpr(s32) = G_CONSTANT i32 1 + %5:sgpr(s32) = G_CONSTANT i32 4096 + + ; add ss + %6:sgpr(s32) = G_ADD %0, %1 + + ; add vs + %7:vgpr(s32) = G_ADD %2, %6 + + ; add sv + %8:vgpr(s32) = G_ADD %6, %7 + + ; add vv + %9:vgpr(s32) = G_ADD %8, %2 + + G_STORE %9, %3 :: (store 4, addrspace 1) + +...