forked from OSchip/llvm-project
163 lines
5.1 KiB
YAML
163 lines
5.1 KiB
YAML
# RUN: llc -march=amdgcn -run-pass simple-register-coalescing -o - %s | FileCheck --check-prefix=GCN %s
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#
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# See bug http://llvm.org/PR33524 for details of the problem being checked here
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# This test will provoke a subrange join (see annotations below) during simple register coalescing
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# Without a fix for PR33524 this causes an unreachable in SubRange Join
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#
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# GCN-DAG: undef %[[REG0:[0-9]+]].sub0:sgpr_64 = COPY %sgpr5
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# GCN-DAG: undef %[[REG1:[0-9]+]].sub0:sgpr_64 = COPY %sgpr2
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# GCN-DAG: %[[REG0]].sub1:sgpr_64 = S_MOV_B32 1
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# GCN-DAG: %[[REG1]].sub1:sgpr_64 = S_MOV_B32 1
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--- |
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define amdgpu_vs void @regcoal-subrange-join(i32 inreg %arg, i32 inreg %arg1, i32 inreg %arg2, i32 inreg %arg3, i32 inreg %arg4, i32 inreg %arg5, i32 %arg6) local_unnamed_addr #0 {
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ret void
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}
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...
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---
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name: regcoal-subrange-join
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tracksRegLiveness: true
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registers:
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- { id: 0, class: sreg_64 }
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- { id: 1, class: vreg_128 }
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- { id: 2, class: vreg_128 }
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- { id: 3, class: vreg_128 }
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- { id: 4, class: sreg_32_xm0 }
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- { id: 5, class: sreg_32_xm0 }
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- { id: 6, class: sreg_32_xm0, preferred-register: '%8' }
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- { id: 7, class: vreg_128 }
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- { id: 8, class: sreg_32_xm0, preferred-register: '%6' }
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- { id: 9, class: vreg_128 }
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- { id: 10, class: sgpr_32 }
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- { id: 11, class: sgpr_32 }
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- { id: 12, class: sgpr_32 }
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- { id: 13, class: sgpr_32 }
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- { id: 14, class: sgpr_32 }
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- { id: 15, class: sgpr_32 }
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- { id: 16, class: vgpr_32 }
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- { id: 17, class: sreg_32_xm0 }
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- { id: 18, class: sreg_64 }
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- { id: 19, class: sreg_32_xm0 }
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- { id: 20, class: sreg_32_xm0 }
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- { id: 21, class: sreg_64 }
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- { id: 22, class: sreg_32_xm0_xexec }
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- { id: 23, class: sreg_32_xm0 }
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- { id: 24, class: sreg_64_xexec }
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- { id: 25, class: sreg_128 }
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- { id: 26, class: sreg_64_xexec }
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- { id: 27, class: sreg_32_xm0_xexec }
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- { id: 28, class: sreg_32_xm0 }
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- { id: 29, class: vgpr_32 }
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- { id: 30, class: vgpr_32 }
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- { id: 31, class: vgpr_32 }
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- { id: 32, class: vgpr_32 }
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- { id: 33, class: vgpr_32 }
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- { id: 34, class: vgpr_32 }
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- { id: 35, class: vgpr_32 }
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- { id: 36, class: vgpr_32 }
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- { id: 37, class: vgpr_32 }
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- { id: 38, class: sreg_128 }
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- { id: 39, class: sreg_64_xexec }
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- { id: 40, class: sreg_32_xm0_xexec }
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- { id: 41, class: sreg_32_xm0 }
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- { id: 42, class: vgpr_32 }
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- { id: 43, class: vgpr_32 }
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- { id: 44, class: vgpr_32 }
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- { id: 45, class: vgpr_32 }
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- { id: 46, class: vgpr_32 }
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- { id: 47, class: vgpr_32 }
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- { id: 48, class: vgpr_32 }
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- { id: 49, class: vgpr_32 }
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- { id: 50, class: vgpr_32 }
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- { id: 51, class: sreg_128 }
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- { id: 52, class: vgpr_32 }
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- { id: 53, class: vgpr_32 }
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- { id: 54, class: vgpr_32 }
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- { id: 55, class: vgpr_32 }
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- { id: 56, class: vreg_128 }
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- { id: 57, class: vreg_128 }
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- { id: 58, class: vreg_128 }
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- { id: 59, class: sreg_32_xm0 }
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- { id: 60, class: sreg_32_xm0 }
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- { id: 61, class: vreg_128 }
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liveins:
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- { reg: '%sgpr2', virtual-reg: '%12' }
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- { reg: '%sgpr5', virtual-reg: '%15' }
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body: |
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bb.0:
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liveins: %sgpr2, %sgpr5
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%15 = COPY killed %sgpr5
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%12 = COPY killed %sgpr2
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%17 = S_MOV_B32 1
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undef %18.sub1 = COPY %17
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%0 = COPY %18
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%0.sub0 = COPY killed %12
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%21 = COPY killed %18
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%21.sub0 = COPY killed %15
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%22 = S_LOAD_DWORD_IMM killed %21, 2, 0
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%23 = S_MOV_B32 491436
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undef %24.sub0 = COPY killed %22
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%24.sub1 = COPY killed %23
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%25 = S_LOAD_DWORDX4_IMM killed %24, 0, 0
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%1 = COPY killed %25
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%26 = S_LOAD_DWORDX2_IMM %0, 2, 0
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dead %27 = S_LOAD_DWORD_IMM killed %26, 0, 0
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S_CBRANCH_SCC0 %bb.1, implicit undef %scc
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bb.5:
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%58 = COPY killed %1
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%59 = COPY killed %17
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S_BRANCH %bb.2
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bb.1:
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%30 = V_MOV_B32_e32 1036831949, implicit %exec
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%31 = V_ADD_F32_e32 %30, %1.sub3, implicit %exec
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%33 = V_ADD_F32_e32 %30, %1.sub2, implicit %exec
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%35 = V_ADD_F32_e32 %30, %1.sub1, implicit %exec
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%37 = V_ADD_F32_e32 killed %30, killed %1.sub0, implicit %exec
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undef %56.sub0 = COPY killed %37
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%56.sub1 = COPY killed %35
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%56.sub2 = COPY killed %33
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%56.sub3 = COPY killed %31
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%28 = S_MOV_B32 0
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%2 = COPY killed %56
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%58 = COPY killed %2
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%59 = COPY killed %28
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bb.2:
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%4 = COPY killed %59
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%3 = COPY killed %58
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%39 = S_LOAD_DWORDX2_IMM killed %0, 6, 0
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%40 = S_LOAD_DWORD_IMM killed %39, 0, 0
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%43 = V_MOV_B32_e32 -1102263091, implicit %exec
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%60 = COPY killed %4
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%61 = COPY killed %3
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bb.3:
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successors: %bb.3, %bb.4
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%7 = COPY killed %61
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%6 = COPY killed %60
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%8 = S_ADD_I32 killed %6, 1, implicit-def dead %scc
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%44 = V_ADD_F32_e32 %43, %7.sub3, implicit %exec
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%46 = V_ADD_F32_e32 %43, %7.sub2, implicit %exec
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%48 = V_ADD_F32_e32 %43, %7.sub1, implicit %exec
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%50 = V_ADD_F32_e32 %43, killed %7.sub0, implicit %exec
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undef %57.sub0 = COPY killed %50
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%57.sub1 = COPY killed %48
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%57.sub2 = COPY %46
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%57.sub3 = COPY killed %44
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S_CMP_LT_I32 %8, %40, implicit-def %scc
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%60 = COPY killed %8
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%61 = COPY killed %57
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S_CBRANCH_SCC1 %bb.3, implicit killed %scc
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S_BRANCH %bb.4
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bb.4:
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EXP 32, undef %53, undef %54, killed %46, undef %55, 0, 0, 15, implicit %exec
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S_ENDPGM
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...
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