1 # RUN: llc -march=amdgcn -run-pass simple-register-coalescing -o - %s | FileCheck %s 2 # Check that %11 and %20 have been coalesced. 3 # CHECK: IMAGE_SAMPLE_C_D_O_V1_V16 %[[REG:[0-9]+]] 4 # CHECK: IMAGE_SAMPLE_C_D_O_V1_V16 %[[REG]] 5 6 --- 7 name: main 8 alignment: 0 9 tracksRegLiveness: true 10 registers: 11 - { id: 0, class: sreg_64 } 12 - { id: 1, class: vgpr_32 } 13 - { id: 2, class: vgpr_32 } 14 - { id: 3, class: sreg_256 } 15 - { id: 4, class: sreg_128 } 16 - { id: 5, class: sreg_256 } 17 - { id: 6, class: sreg_128 } 18 - { id: 7, class: sreg_512 } 19 - { id: 9, class: vreg_512 } 20 - { id: 11, class: vreg_512 } 21 - { id: 18, class: vgpr_32 } 22 - { id: 20, class: vreg_512 } 23 - { id: 27, class: vgpr_32 } 24 liveins: 25 - { reg: '$sgpr2_sgpr3', virtual-reg: '%0' } 26 - { reg: '$vgpr2', virtual-reg: '%1' } 27 - { reg: '$vgpr3', virtual-reg: '%2' } 28 frameInfo: 29 isFrameAddressTaken: false 30 isReturnAddressTaken: false 31 hasStackMap: false 32 hasPatchPoint: false 33 stackSize: 0 34 offsetAdjustment: 0 35 maxAlignment: 0 36 adjustsStack: false 37 hasCalls: false 38 maxCallFrameSize: 0 39 hasOpaqueSPAdjustment: false 40 hasVAStart: false 41 hasMustTailInVarArgFunc: false 42 body: | 43 bb.0: 44 liveins: $sgpr2_sgpr3, $vgpr2, $vgpr3 45 46 %0 = COPY $sgpr2_sgpr3 47 %1 = COPY $vgpr2 48 %2 = COPY $vgpr3 49 %3 = S_LOAD_DWORDX8_IMM %0, 0, 0 50 %4 = S_LOAD_DWORDX4_IMM %0, 12, 0 51 %5 = S_LOAD_DWORDX8_IMM %0, 16, 0 52 %6 = S_LOAD_DWORDX4_IMM %0, 28, 0 53 undef %7.sub0 = S_MOV_B32 212739 54 %20 = COPY %7 55 %11 = COPY %20 56 %11.sub1 = COPY %1 57 %11.sub2 = COPY %1 58 %11.sub3 = COPY %1 59 %11.sub4 = COPY %1 60 %11.sub5 = COPY %1 61 %11.sub6 = COPY %1 62 %11.sub7 = COPY %1 63 %11.sub8 = COPY %1 64 dead %18 = IMAGE_SAMPLE_C_D_O_V1_V16 %11, %3, %4, 1, 0, 0, 0, 0, 0, 0, -1, 0, implicit $exec 65 %20.sub1 = COPY %2 66 %20.sub2 = COPY %2 67 %20.sub3 = COPY %2 68 %20.sub4 = COPY %2 69 %20.sub5 = COPY %2 70 %20.sub6 = COPY %2 71 %20.sub7 = COPY %2 72 %20.sub8 = COPY %2 73 dead %27 = IMAGE_SAMPLE_C_D_O_V1_V16 %20, %5, %6, 1, 0, 0, 0, 0, 0, 0, -1, 0, implicit $exec 74 75 ... 76
