# RUN: llc -march=amdgcn -run-pass simple-register-coalescing -o - %s | FileCheck %s # Check that %11 and %20 have been coalesced. # CHECK: IMAGE_SAMPLE_C_D_O_V1_V16 %[[REG:[0-9]+]] # CHECK: IMAGE_SAMPLE_C_D_O_V1_V16 %[[REG]] --- name: main alignment: 0 tracksRegLiveness: true registers: - { id: 0, class: sreg_64 } - { id: 1, class: vgpr_32 } - { id: 2, class: vgpr_32 } - { id: 3, class: sreg_256 } - { id: 4, class: sreg_128 } - { id: 5, class: sreg_256 } - { id: 6, class: sreg_128 } - { id: 7, class: sreg_512 } - { id: 9, class: vreg_512 } - { id: 11, class: vreg_512 } - { id: 18, class: vgpr_32 } - { id: 20, class: vreg_512 } - { id: 27, class: vgpr_32 } liveins: - { reg: '$sgpr2_sgpr3', virtual-reg: '%0' } - { reg: '$vgpr2', virtual-reg: '%1' } - { reg: '$vgpr3', virtual-reg: '%2' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0: liveins: $sgpr2_sgpr3, $vgpr2, $vgpr3 %0 = COPY $sgpr2_sgpr3 %1 = COPY $vgpr2 %2 = COPY $vgpr3 %3 = S_LOAD_DWORDX8_IMM %0, 0, 0 %4 = S_LOAD_DWORDX4_IMM %0, 12, 0 %5 = S_LOAD_DWORDX8_IMM %0, 16, 0 %6 = S_LOAD_DWORDX4_IMM %0, 28, 0 undef %7.sub0 = S_MOV_B32 212739 %20 = COPY %7 %11 = COPY %20 %11.sub1 = COPY %1 %11.sub2 = COPY %1 %11.sub3 = COPY %1 %11.sub4 = COPY %1 %11.sub5 = COPY %1 %11.sub6 = COPY %1 %11.sub7 = COPY %1 %11.sub8 = COPY %1 dead %18 = IMAGE_SAMPLE_C_D_O_V1_V16 %11, %3, %4, 1, 0, 0, 0, 0, 0, 0, -1, 0, implicit $exec %20.sub1 = COPY %2 %20.sub2 = COPY %2 %20.sub3 = COPY %2 %20.sub4 = COPY %2 %20.sub5 = COPY %2 %20.sub6 = COPY %2 %20.sub7 = COPY %2 %20.sub8 = COPY %2 dead %27 = IMAGE_SAMPLE_C_D_O_V1_V16 %20, %5, %6, 1, 0, 0, 0, 0, 0, 0, -1, 0, implicit $exec ...