| # RUN: llc -march=amdgcn -mcpu=gfx900 %s -run-pass twoaddressinstruction -verify-machineinstrs -o - | FileCheck -check-prefix=GCN %s | 
 |  | 
 | # GCN-LABEL: name: test_madmk_reg_imm_f32 | 
 | # GCN: V_MADMK_F32 killed %0.sub0, 1078523331, killed %1, implicit $mode, implicit $exec | 
 | --- | 
 | name:            test_madmk_reg_imm_f32 | 
 | registers: | 
 |   - { id: 0, class: vreg_64 } | 
 |   - { id: 1, class: vgpr_32 } | 
 |   - { id: 2, class: vgpr_32 } | 
 |   - { id: 3, class: vgpr_32 } | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     %0 = IMPLICIT_DEF | 
 |     %1 = COPY %0.sub1 | 
 |     %2 = V_MOV_B32_e32 1078523331, implicit $exec | 
 |     %3 = V_MAC_F32_e32 killed %0.sub0, %2, killed %1, implicit $mode, implicit $exec | 
 |  | 
 | ... | 
 |  | 
 | # GCN-LABEL: name: test_madmk_imm_reg_f32 | 
 | # GCN: V_MADMK_F32 killed %0.sub0, 1078523331, killed %1, implicit $mode, implicit $exec | 
 | --- | 
 | name:            test_madmk_imm_reg_f32 | 
 | registers: | 
 |   - { id: 0, class: vreg_64 } | 
 |   - { id: 1, class: vgpr_32 } | 
 |   - { id: 2, class: vgpr_32 } | 
 |   - { id: 3, class: vgpr_32 } | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     %0 = IMPLICIT_DEF | 
 |     %1 = COPY %0.sub1 | 
 |     %2 = V_MOV_B32_e32 1078523331, implicit $exec | 
 |     %3 = V_MAC_F32_e32 %2, killed %0.sub0, killed %1, implicit $mode, implicit $exec | 
 |  | 
 | ... | 
 |  | 
 | # GCN-LABEL: name: test_madak_f32 | 
 | # GCN: V_MADAK_F32 killed %0.sub0, %0.sub1, 1078523331, implicit $mode, implicit $exec | 
 | --- | 
 | name:            test_madak_f32 | 
 | registers: | 
 |   - { id: 0, class: vreg_64 } | 
 |   - { id: 1, class: vgpr_32 } | 
 |   - { id: 2, class: vgpr_32 } | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     %0 = IMPLICIT_DEF | 
 |     %1 = V_MOV_B32_e32 1078523331, implicit $exec | 
 |     %2 = V_MAC_F32_e32 killed %0.sub0, %0.sub1, %1, implicit $mode, implicit $exec | 
 |  | 
 | ... | 
 |  | 
 | # GCN-LABEL: name: test_madmk_reg_imm_f16 | 
 | # GCN: V_MADMK_F16 killed %0.sub0, 1078523331, killed %1, implicit $mode, implicit $exec | 
 | --- | 
 | name:            test_madmk_reg_imm_f16 | 
 | registers: | 
 |   - { id: 0, class: vreg_64 } | 
 |   - { id: 1, class: vgpr_32 } | 
 |   - { id: 2, class: vgpr_32 } | 
 |   - { id: 3, class: vgpr_32 } | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     %0 = IMPLICIT_DEF | 
 |     %1 = COPY %0.sub1 | 
 |     %2 = V_MOV_B32_e32 1078523331, implicit $exec | 
 |     %3 = V_MAC_F16_e32 killed %0.sub0, %2, killed %1, implicit $mode, implicit $exec | 
 |  | 
 | ... | 
 |  | 
 | # GCN-LABEL: name: test_madmk_imm_reg_f16 | 
 | # GCN: V_MADMK_F16 killed %0.sub0, 1078523331, killed %1, implicit $mode, implicit $exec | 
 | --- | 
 | name:            test_madmk_imm_reg_f16 | 
 | registers: | 
 |   - { id: 0, class: vreg_64 } | 
 |   - { id: 1, class: vgpr_32 } | 
 |   - { id: 2, class: vgpr_32 } | 
 |   - { id: 3, class: vgpr_32 } | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     %0 = IMPLICIT_DEF | 
 |     %1 = COPY %0.sub1 | 
 |     %2 = V_MOV_B32_e32 1078523331, implicit $exec | 
 |     %3 = V_MAC_F16_e32 %2, killed %0.sub0, killed %1, implicit $mode, implicit $exec | 
 |  | 
 | ... | 
 |  | 
 | # GCN-LABEL: name: test_madak_f16 | 
 | # GCN: V_MADAK_F16 killed %0.sub0, %0.sub1, 1078523331, implicit $mode, implicit $exec | 
 | --- | 
 | name:            test_madak_f16 | 
 | registers: | 
 |   - { id: 0, class: vreg_64 } | 
 |   - { id: 1, class: vgpr_32 } | 
 |   - { id: 2, class: vgpr_32 } | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     %0 = IMPLICIT_DEF | 
 |     %1 = V_MOV_B32_e32 1078523331, implicit $exec | 
 |     %2 = V_MAC_F16_e32 killed %0.sub0, %0.sub1, %1, implicit $mode, implicit $exec | 
 | ... | 
 |  | 
 | # Make sure constant bus restriction isn't violated if src0 is an SGPR. | 
 |  | 
 | # GCN-LABEL: name: test_madak_sgpr_src0_f32 | 
 | # GCN: %1:vgpr_32 = V_MOV_B32_e32 1078523331, implicit $exec | 
 | # GCN: %2:vgpr_32 = V_MAD_F32_e64 0, killed %0, 0, %1, 0, %3:vgpr_32, 0, 0, implicit $mode, implicit $exec | 
 |  | 
 | --- | 
 | name:            test_madak_sgpr_src0_f32 | 
 | registers: | 
 |   - { id: 0, class: sreg_32_xm0 } | 
 |   - { id: 1, class: vgpr_32} | 
 |   - { id: 2, class: vgpr_32 } | 
 |   - { id: 3, class: vgpr_32 } | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     %0 = IMPLICIT_DEF | 
 |     %1 = V_MOV_B32_e32 1078523331, implicit $exec | 
 |     %2 = V_MAC_F32_e32 killed %0, %1, %3, implicit $mode, implicit $exec | 
 |  | 
 | ... | 
 |  | 
 | # This can still fold if this is an inline immediate. | 
 |  | 
 | # GCN-LABEL: name: test_madak_inlineimm_src0_f32 | 
 | # GCN: %1:vgpr_32 = V_MADMK_F32 1073741824, 1078523331, %2:vgpr_32, implicit $mode, implicit $exec | 
 |  | 
 | --- | 
 | name:            test_madak_inlineimm_src0_f32 | 
 | registers: | 
 |   - { id: 0, class: vgpr_32} | 
 |   - { id: 1, class: vgpr_32 } | 
 |   - { id: 2, class: vgpr_32 } | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     %0 = V_MOV_B32_e32 1078523331, implicit $exec | 
 |     %1 = V_MAC_F32_e32 1073741824, %0, %2, implicit $mode, implicit $exec | 
 |  | 
 | ... | 
 | # Non-inline immediate uses constant bus already. | 
 |  | 
 | # GCN-LABEL: name: test_madak_otherimm_src0_f32 | 
 | # GCN: %1:vgpr_32 = V_MADMK_F32 %0, 1120403456, %2:vgpr_32, implicit $mode, implicit $exec | 
 |  | 
 | --- | 
 | name:            test_madak_otherimm_src0_f32 | 
 | registers: | 
 |   - { id: 0, class: vgpr_32} | 
 |   - { id: 1, class: vgpr_32 } | 
 |   - { id: 2, class: vgpr_32 } | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     %0 = V_MOV_B32_e32 1078523331, implicit $exec | 
 |     %1 = V_MAC_F32_e32 1120403456, %0, %2, implicit $mode, implicit $exec | 
 |  | 
 | ... | 
 | # Non-inline immediate uses constant bus already. | 
 |  | 
 | # GCN-LABEL: name: test_madak_other_constantlike_src0_f32 | 
 | # GCN: %1:vgpr_32 = V_MAC_F32_e32 %stack.0, %0, %1, implicit $mode, implicit $exec | 
 | --- | 
 | name:            test_madak_other_constantlike_src0_f32 | 
 | registers: | 
 |   - { id: 0, class: vgpr_32} | 
 |   - { id: 1, class: vgpr_32 } | 
 |   - { id: 2, class: vgpr_32 } | 
 | stack: | 
 |   - { id: 0, name: "", type: default, offset: 0, size: 128, alignment: 8, | 
 |       callee-saved-register: '', local-offset: 0, debug-info-variable: '', | 
 |       debug-info-expression: '', debug-info-location: '' } | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     %0 = V_MOV_B32_e32 1078523331, implicit $exec | 
 |     %1 = V_MAC_F32_e32 %stack.0, %0, %2, implicit $mode, implicit $exec | 
 |  | 
 | ... | 
 |  | 
 | # GCN-LABEL: name: test_madak_inline_literal_f16 | 
 | # GCN: %2:vgpr_32 = V_MADAK_F16 16384, killed %0, 49664, implicit $mode, implicit $exec | 
 |  | 
 | --- | 
 | name:            test_madak_inline_literal_f16 | 
 | liveins: | 
 |   - { reg: '$vgpr0', virtual-reg: '%3' } | 
 | body:             | | 
 |   bb.0: | 
 |     liveins: $vgpr0 | 
 |  | 
 |     %3:vgpr_32 = COPY killed $vgpr0 | 
 |  | 
 |     %26:vgpr_32 = V_MOV_B32_e32 49664, implicit $exec | 
 |     %28:vgpr_32 = V_MAC_F16_e32 16384, killed %3, %26, implicit $mode, implicit $exec | 
 |     S_ENDPGM 0 | 
 |  | 
 | ... | 
 |  | 
 | # GCN-LABEL: name: test_mad_src0mods | 
 | # GCN: %3:vgpr_32 = V_MAD_F32_e64 1, %0, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec | 
 | --- | 
 | name: test_mad_src0mods | 
 | body: | | 
 |   bb.0: | 
 |     %0:vgpr_32 = IMPLICIT_DEF | 
 |     %1:vgpr_32 = IMPLICIT_DEF | 
 |     %2:vgpr_32 = IMPLICIT_DEF | 
 |     %3:vgpr_32 = V_MAC_F32_e64 1, %0, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec | 
 | ... | 
 |  | 
 | # GCN-LABEL: name: test_mad_src1mods | 
 | # GCN: %3:vgpr_32 = V_MAD_F32_e64 0, %0, 1, %1, 0, %2, 0, 0, implicit $mode, implicit $exec | 
 | --- | 
 | name: test_mad_src1mods | 
 | body: | | 
 |   bb.0: | 
 |     %0:vgpr_32 = IMPLICIT_DEF | 
 |     %1:vgpr_32 = IMPLICIT_DEF | 
 |     %2:vgpr_32 = IMPLICIT_DEF | 
 |     %3:vgpr_32 = V_MAC_F32_e64 0, %0, 1, %1, 0, %2, 0, 0, implicit $mode, implicit $exec | 
 | ... | 
 |  | 
 | # GCN-LABEL: name: test_mad_src2mods | 
 | # GCN: %3:vgpr_32 = V_MAD_F32_e64 0, %0, 0, %1, 1, %2, 0, 0, implicit $mode, implicit $exec | 
 | --- | 
 | name: test_mad_src2mods | 
 | body: | | 
 |   bb.0: | 
 |     %0:vgpr_32 = IMPLICIT_DEF | 
 |     %1:vgpr_32 = IMPLICIT_DEF | 
 |     %2:vgpr_32 = IMPLICIT_DEF | 
 |     %3:vgpr_32 = V_MAC_F32_e64 0, %0, 0, %1, 1, %2, 0, 0, implicit $mode, implicit $exec | 
 | ... |