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200 lines
5.7 KiB
200 lines
5.7 KiB
# RUN: llc -march=amdgcn -mcpu=gfx803 -run-pass simple-register-coalescing -verify-machineinstrs -o - %s | FileCheck --check-prefix=GCN %s
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#
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# This test gave "Use not jointly dominated by defs" when
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# removePartialRedundancy attempted to prune and then re-extend a subrange.
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#
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# GCN: {{^body}}
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---
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name: _amdgpu_ps_main
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tracksRegLiveness: true
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body: |
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bb.0:
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successors: %bb.1, %bb.2
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%21:vgpr_32 = nofpexcept V_TRUNC_F32_e32 undef %22:vgpr_32, implicit $mode, implicit $exec
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%23:vgpr_32 = nofpexcept V_CVT_U32_F32_e32 killed %21, implicit $mode, implicit $exec
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%108:vgpr_32 = V_LSHRREV_B32_e32 4, killed %23, implicit $exec
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undef %109.sub1:vreg_128 = COPY %108
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%28:sreg_32_xm0_xexec = S_BUFFER_LOAD_DWORD_IMM undef %29:sgpr_128, 3044, 0, 0 :: (dereferenceable invariant load 4)
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S_CMP_EQ_U32 killed %28, 0, implicit-def $scc
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S_CBRANCH_SCC0 %bb.2, implicit killed $scc
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bb.1:
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%138:vreg_128 = COPY killed %109
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S_BRANCH %bb.9
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bb.2:
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successors: %bb.3, %bb.4
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S_CBRANCH_SCC0 %bb.4, implicit undef $scc
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bb.3:
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%136:vreg_128 = COPY killed %109
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S_BRANCH %bb.5
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bb.4:
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%136:vreg_128 = COPY killed %109
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bb.5:
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successors: %bb.6, %bb.8
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%110:vreg_128 = COPY killed %136
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dead %32:sreg_32_xm0 = S_MOV_B32 0
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%111:vreg_128 = COPY %110
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%111.sub3:vreg_128 = COPY undef %32
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S_CBRANCH_SCC1 %bb.8, implicit undef $scc
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S_BRANCH %bb.6
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bb.6:
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%36:sreg_32_xm0_xexec = S_BUFFER_LOAD_DWORD_IMM undef %37:sgpr_128, 2708, 0, 0 :: (dereferenceable invariant load 4)
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%39:vgpr_32 = nnan arcp contract reassoc nofpexcept V_MAD_F32 0, killed %110.sub1, 0, target-flags(amdgpu-gotprel32-lo) 0, 0, 0, 0, 0, implicit $mode, implicit $exec
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%40:vgpr_32 = nofpexcept V_MAD_F32 0, %111.sub1, 0, target-flags(amdgpu-gotprel32-lo) 0, 0, 0, 0, 0, implicit $mode, implicit $exec
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%41:vgpr_32 = nofpexcept V_MUL_F32_e64 0, 0, 0, killed %40, 1, 0, implicit $mode, implicit $exec
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%43:vgpr_32 = nofpexcept V_MUL_F32_e32 0, %39, implicit $mode, implicit $exec
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%44:vgpr_32 = COPY killed %43
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%44:vgpr_32 = nofpexcept V_MAC_F32_e32 0, killed %41, %44, implicit $mode, implicit $exec
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%47:vgpr_32 = V_MOV_B32_e32 2143289344, implicit $exec
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%46:vgpr_32 = COPY killed %47
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%46:vgpr_32 = nofpexcept V_MAC_F32_e32 0, killed %39, %46, implicit $mode, implicit $exec
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undef %115.sub0:vreg_128 = COPY %46
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%115.sub1:vreg_128 = COPY killed %46
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%115.sub2:vreg_128 = COPY killed %44
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%50:sreg_64_xexec = V_CMP_NE_U32_e64 0, killed %36, implicit $exec
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dead %118:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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%137:vreg_128 = IMPLICIT_DEF
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bb.7:
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successors: %bb.7, %bb.8
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%119:vreg_128 = COPY killed %137
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%121:vreg_128 = COPY killed %119
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%121.sub3:vreg_128 = COPY undef %32
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%56:vgpr_32 = nofpexcept V_ADD_F32_e32 %115.sub2, %121.sub2, implicit $mode, implicit $exec
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%59:vgpr_32 = nofpexcept V_ADD_F32_e32 %115.sub1, %121.sub1, implicit $mode, implicit $exec
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%62:vgpr_32 = nofpexcept V_ADD_F32_e32 %115.sub0, killed %121.sub0, implicit $mode, implicit $exec
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undef %117.sub0:vreg_128 = COPY killed %62
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%117.sub1:vreg_128 = COPY killed %59
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%117.sub2:vreg_128 = COPY killed %56
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%64:sreg_64 = S_AND_B64 $exec, %50, implicit-def dead $scc
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$vcc = COPY killed %64
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%137:vreg_128 = COPY killed %117
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S_CBRANCH_VCCNZ %bb.7, implicit killed $vcc
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S_BRANCH %bb.8
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bb.8:
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dead %66:sreg_32_xm0_xexec = S_BUFFER_LOAD_DWORD_IMM undef %67:sgpr_128, 2704, 0, 0 :: (dereferenceable invariant load 4)
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%138:vreg_128 = COPY killed %111
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bb.9:
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%113:vreg_128 = COPY killed %138
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S_CBRANCH_SCC1 %bb.18, implicit undef $scc
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S_BRANCH %bb.10
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bb.10:
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S_CBRANCH_SCC1 %bb.12, implicit undef $scc
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S_BRANCH %bb.11
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bb.11:
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bb.12:
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successors: %bb.13, %bb.18
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S_CBRANCH_SCC1 %bb.18, implicit undef $scc
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S_BRANCH %bb.13
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bb.13:
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successors: %bb.14, %bb.17
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S_CBRANCH_SCC1 %bb.17, implicit undef $scc
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S_BRANCH %bb.14
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bb.14:
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S_CBRANCH_SCC1 %bb.16, implicit undef $scc
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S_BRANCH %bb.15
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bb.15:
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bb.16:
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bb.17:
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bb.18:
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S_CBRANCH_SCC1 %bb.26, implicit undef $scc
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S_BRANCH %bb.19
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bb.19:
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S_CBRANCH_SCC1 %bb.26, implicit undef $scc
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S_BRANCH %bb.20
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bb.20:
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S_CBRANCH_SCC1 %bb.25, implicit undef $scc
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S_BRANCH %bb.21
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bb.21:
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successors: %bb.22, %bb.24
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S_CBRANCH_SCC1 %bb.24, implicit undef $scc
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S_BRANCH %bb.22
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bb.22:
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successors: %bb.23, %bb.24
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S_CBRANCH_SCC1 %bb.24, implicit undef $scc
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S_BRANCH %bb.23
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bb.23:
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bb.24:
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bb.25:
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bb.26:
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S_CBRANCH_SCC1 %bb.33, implicit undef $scc
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S_BRANCH %bb.27
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bb.27:
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S_CBRANCH_SCC1 %bb.33, implicit undef $scc
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S_BRANCH %bb.28
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bb.28:
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dead %77:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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%78:vgpr_32 = nnan arcp contract reassoc nofpexcept V_MAD_F32 0, killed %113.sub1, 0, target-flags(amdgpu-gotprel32-lo) 0, 0, 1065353216, 0, 0, implicit $mode, implicit $exec
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dead %80:sreg_32_xm0 = S_MOV_B32 0
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dead %82:vgpr_32 = nofpexcept V_MUL_F32_e32 killed %78, %78, implicit $mode, implicit $exec
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dead %126:vgpr_32 = V_MOV_B32_e32 2143289344, implicit $exec
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dead %125:vreg_128 = IMPLICIT_DEF
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dead %91:sreg_32_xm0 = S_MOV_B32 2143289344
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%96:sreg_64 = S_AND_B64 $exec, 0, implicit-def dead $scc
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%139:vreg_128 = IMPLICIT_DEF
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bb.29:
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successors: %bb.30, %bb.31
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dead %127:vreg_128 = COPY killed %139
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S_CBRANCH_SCC0 %bb.31, implicit undef $scc
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bb.30:
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S_BRANCH %bb.32
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bb.31:
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successors: %bb.32, %bb.34
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$vcc = COPY %96
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S_CBRANCH_VCCNZ %bb.34, implicit killed $vcc
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S_BRANCH %bb.32
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bb.32:
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dead %130:vreg_128 = IMPLICIT_DEF
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dead %128:vreg_128 = COPY undef %130
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%139:vreg_128 = IMPLICIT_DEF
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S_BRANCH %bb.29
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bb.33:
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S_ENDPGM 0
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bb.34:
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S_ENDPGM 0
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...
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