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[AMDGPU] Precommit lit test for #72140.
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cdevadas committed Nov 14, 2023
1 parent d19616f commit 8f7e9f3
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318 changes: 318 additions & 0 deletions llvm/test/CodeGen/AMDGPU/ra-inserted-scalar-instructions.mir
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# RUN: not llc --crash -mtriple=amdgcn-amd-amdpal -mcpu=gfx1030 -run-pass=greedy -filetype=null %s

; This test would crash while trying to split a liverange during register allocator.

---
name: test_kernel
tracksRegLiveness: true
registers:
- { id: 0, class: vgpr_32 }
- { id: 1, class: vreg_64 }
- { id: 2, class: sgpr_32 }
- { id: 3, class: sreg_32 }
- { id: 4, class: sreg_32 }
- { id: 5, class: sreg_32 }
- { id: 6, class: sgpr_256 }
- { id: 7, class: sgpr_256 }
- { id: 8, class: sgpr_256 }
- { id: 9, class: sgpr_256 }
- { id: 10, class: sgpr_256 }
- { id: 11, class: sreg_32_xm0_xexec }
- { id: 12, class: sreg_32_xm0_xexec }
- { id: 13, class: sgpr_64 }
- { id: 14, class: sreg_32_xm0_xexec }
- { id: 15, class: sreg_32 }
- { id: 16, class: sreg_32 }
- { id: 17, class: sreg_32 }
- { id: 18, class: sreg_32 }
- { id: 19, class: sreg_32 }
- { id: 20, class: sreg_32 }
- { id: 21, class: sreg_32 }
- { id: 22, class: sreg_32 }
- { id: 23, class: sreg_32 }
- { id: 24, class: sreg_32 }
- { id: 25, class: sreg_32 }
- { id: 26, class: sreg_32 }
- { id: 27, class: sreg_32 }
- { id: 28, class: sreg_32 }
- { id: 29, class: sreg_32 }
- { id: 30, class: sreg_32 }
- { id: 31, class: sreg_32 }
- { id: 32, class: sreg_32 }
- { id: 33, class: sreg_32 }
- { id: 34, class: sreg_32 }
- { id: 35, class: sreg_32 }
- { id: 36, class: sreg_32 }
- { id: 37, class: sreg_32 }
- { id: 38, class: sreg_32 }
- { id: 39, class: sreg_32 }
- { id: 40, class: sreg_32 }
- { id: 41, class: sreg_32 }
- { id: 42, class: sreg_32 }
- { id: 43, class: sreg_32 }
- { id: 44, class: sreg_32 }
- { id: 45, class: sreg_32 }
- { id: 46, class: sreg_32 }
- { id: 47, class: sreg_32 }
- { id: 48, class: sreg_32 }
- { id: 49, class: sreg_32 }
- { id: 50, class: sreg_32 }
- { id: 51, class: sreg_32 }
- { id: 52, class: sreg_32 }
- { id: 53, class: sreg_32 }
- { id: 54, class: sreg_32 }
- { id: 55, class: sreg_32 }
- { id: 56, class: sreg_32 }
- { id: 57, class: sreg_32 }
- { id: 58, class: sreg_32 }
- { id: 59, class: sreg_32 }
- { id: 60, class: sreg_32 }
- { id: 61, class: sreg_32 }
- { id: 62, class: sreg_32 }
- { id: 63, class: sreg_32 }
- { id: 64, class: sreg_32 }
- { id: 65, class: sreg_32 }
- { id: 66, class: sreg_32 }
- { id: 67, class: sreg_32 }
- { id: 68, class: sreg_32 }
- { id: 69, class: sreg_32 }
- { id: 70, class: sreg_32 }
- { id: 71, class: sreg_32 }
- { id: 72, class: sreg_32 }
- { id: 73, class: sreg_32 }
- { id: 74, class: sreg_32 }
- { id: 75, class: sreg_32 }
- { id: 76, class: sreg_32 }
- { id: 77, class: sreg_32 }
- { id: 78, class: sreg_32 }
- { id: 79, class: sreg_32 }
- { id: 80, class: sreg_32 }
- { id: 81, class: sreg_32 }
- { id: 82, class: sreg_32 }
- { id: 83, class: sreg_32 }
- { id: 84, class: sreg_32 }
- { id: 85, class: sreg_32 }
- { id: 86, class: sreg_32 }
- { id: 87, class: sreg_32 }
- { id: 88, class: sreg_32 }
- { id: 89, class: sreg_32 }
- { id: 90, class: sreg_32 }
- { id: 91, class: sreg_32 }
- { id: 92, class: sreg_32 }
- { id: 93, class: sgpr_64 }
- { id: 94, class: sreg_32_xm0_xexec }
- { id: 95, class: sgpr_32 }
- { id: 96, class: sreg_32_xm0_xexec }
- { id: 97, class: sreg_64 }
- { id: 98, class: sreg_32_xm0_xexec }
- { id: 99, class: sreg_32_xm0_xexec }
- { id: 100, class: sreg_64 }
- { id: 101, class: sgpr_128 }
- { id: 102, class: sreg_64_xexec }
- { id: 103, class: sgpr_32 }
- { id: 104, class: sgpr_64 }
- { id: 105, class: sgpr_64 }
- { id: 106, class: sgpr_64 }
- { id: 107, class: sreg_32, preferred-register: '$vcc' }
- { id: 108, class: sreg_32, preferred-register: '$vcc' }
- { id: 109, class: sgpr_32 }
- { id: 110, class: sgpr_256 }
- { id: 111, class: sgpr_512 }
- { id: 112, class: sgpr_512 }
- { id: 113, class: sgpr_256 }
- { id: 114, class: sgpr_256 }
- { id: 115, class: sgpr_256 }
- { id: 116, class: sreg_32_xm0_xexec }
machineFunctionInfo:
maxKernArgAlign: 1
isEntryFunction: true
stackPtrOffsetReg: '$sgpr32'
sgprForEXECCopy: '$sgpr105'
body: |
bb.0:
successors: %bb.1, %bb.2
liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7, $vgpr8, $vgpr9, $vgpr10, $vgpr11, $vgpr12, $vgpr13

%0:vgpr_32 = IMPLICIT_DEF
undef %1.sub1:vreg_64 = IMPLICIT_DEF
%109:sgpr_32 = COPY undef $sgpr1
undef %93.sub1:sgpr_64 = COPY undef $sgpr0
undef %106.sub0:sgpr_64 = V_READFIRSTLANE_B32 undef %0, implicit $exec
%106.sub1:sgpr_64 = V_READFIRSTLANE_B32 undef %0, implicit $exec
undef %105.sub0:sgpr_64 = V_READFIRSTLANE_B32 undef %0, implicit $exec
%105.sub1:sgpr_64 = IMPLICIT_DEF
undef %104.sub0:sgpr_64 = V_READFIRSTLANE_B32 undef %0, implicit $exec
%104.sub1:sgpr_64 = V_READFIRSTLANE_B32 undef %0, implicit $exec
%4:sreg_32 = S_MOV_B32 0
%5:sreg_32 = S_MOV_B32 0
S_CBRANCH_SCC1 %bb.2, implicit undef $scc
S_BRANCH %bb.1

bb.1:
%5:sreg_32 = IMPLICIT_DEF

bb.2:
successors: %bb.3, %bb.4

%101:sgpr_128 = S_LOAD_DWORDX4_IMM undef %104, 132, 0 :: ("amdgpu-noclobber" load (s128), align 8, addrspace 1)
%10:sgpr_256 = S_LOAD_DWORDX8_IMM undef %104, 188, 0 :: ("amdgpu-noclobber" load (s256), align 8, addrspace 1)
%100:sreg_64 = S_MOV_B64 0
S_CBRANCH_SCC1 %bb.4, implicit undef $scc
S_BRANCH %bb.3

bb.3:
%4:sreg_32 = S_MOV_B32 -1

bb.4:
successors: %bb.5, %bb.6

%102:sreg_64_xexec = S_LOAD_DWORDX2_IMM undef %104, 120, 0 :: ("amdgpu-noclobber" load (s64), align 16, addrspace 1)
%8:sgpr_256 = S_LOAD_DWORDX8_IMM undef %104, 352, 0 :: ("amdgpu-noclobber" load (s256), align 16, addrspace 1)
%98:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM undef %97:sreg_64, 0, 0
%7:sgpr_256 = S_LOAD_DWORDX8_IMM undef %104, 652, 0 :: ("amdgpu-noclobber" load (s256), align 8, addrspace 1)
%96:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %100, 0, 0 :: ("amdgpu-noclobber" load (s32), align 8, addrspace 1)
%6:sgpr_256 = S_LOAD_DWORDX8_IMM %104, 688, 0 :: ("amdgpu-noclobber" load (s256), align 16, addrspace 1)
%2:sgpr_32 = S_MOV_B32 0
%3:sreg_32 = S_MOV_B32 0
S_CBRANCH_SCC1 %bb.6, implicit undef $scc
S_BRANCH %bb.5

bb.5:
%3:sreg_32 = S_MOV_B32 -1

bb.6:
successors: %bb.7, %bb.10

%103:sgpr_32 = S_LOAD_DWORD_IMM undef %104, 0, 0 :: ("amdgpu-noclobber" load (s32), align 16, addrspace 1)
%115:sgpr_256 = S_LOAD_DWORDX8_IMM undef %104, 152, 0 :: ("amdgpu-noclobber" load (s256), align 4, addrspace 1)
%114:sgpr_256 = S_LOAD_DWORDX8_IMM undef %104, 220, 0 :: ("amdgpu-noclobber" load (s256), align 4, addrspace 1)
%113:sgpr_256 = S_LOAD_DWORDX8_IMM undef %104, 384, 0 :: ("amdgpu-noclobber" load (s256), align 4, addrspace 1)
%112:sgpr_512 = S_LOAD_DWORDX16_IMM undef %104, 440, 0 :: ("amdgpu-noclobber" load (s512), align 8, addrspace 1)
%111:sgpr_512 = S_LOAD_DWORDX16_IMM undef %104, 584, 0 :: ("amdgpu-noclobber" load (s512), align 16, addrspace 1)
%110:sgpr_256 = S_LOAD_DWORDX8_IMM %106, 156, 0 :: ("amdgpu-noclobber" load (s256), align 8, addrspace 1)
%95:sgpr_32 = S_LOAD_DWORD_IMM %105, 0, 0 :: ("amdgpu-noclobber" load (s32), align 8, addrspace 1)
%94:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %106, 0, 0 :: ("amdgpu-noclobber" load (s32), addrspace 1)
%99:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %100, 0, 0 :: ("amdgpu-noclobber" load (s32), addrspace 1)
%107:sreg_32 = IMPLICIT_DEF
%108:sreg_32 = IMPLICIT_DEF
%93.sub0:sgpr_64 = S_MOV_B32 1
S_CBRANCH_SCC1 %bb.10, implicit undef $scc
S_BRANCH %bb.7

bb.7:
successors: %bb.8, %bb.9

undef %13.sub0:sgpr_64 = V_READFIRSTLANE_B32 undef %1.sub0, implicit $exec
%13.sub1:sgpr_64 = V_READFIRSTLANE_B32 undef %1.sub1, implicit $exec
%92:sreg_32 = IMPLICIT_DEF
%2:sgpr_32 = S_MOV_B32 0
$vcc = COPY %92
S_CBRANCH_VCCNZ %bb.9, implicit $vcc
S_BRANCH %bb.8

bb.8:
%2:sgpr_32 = S_MOV_B32 -1

bb.9:

bb.10:
successors: %bb.11, %bb.12

%91:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %103, 0, implicit $mode, implicit $exec
%90:sreg_32 = S_AND_B32 undef %91, %5, implicit-def dead $scc
S_CMP_EQ_U32 %109, 0, implicit-def $scc
%12:sreg_32_xm0_xexec = IMPLICIT_DEF
S_CMP_EQ_U32 %102.sub1, 0, implicit-def $scc
%11:sreg_32_xm0_xexec = IMPLICIT_DEF
%77:sreg_32 = S_OR_B32 %115.sub7, %99, implicit-def dead $scc
%82:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %115.sub0, 0, implicit $mode, implicit $exec
%79:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %115.sub2, 0, implicit $mode, implicit $exec
%78:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %115.sub4, 0, implicit $mode, implicit $exec
%76:sreg_32 = S_OR_B32 %10.sub0, undef %77, implicit-def dead $scc
%75:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %10.sub1, 0, implicit $mode, implicit $exec
%74:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %10.sub2, 0, implicit $mode, implicit $exec
%73:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %10.sub3, 0, implicit $mode, implicit $exec
%72:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %10.sub4, 0, implicit $mode, implicit $exec
%70:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %10.sub5, 0, implicit $mode, implicit $exec
%69:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %10.sub6, 0, implicit $mode, implicit $exec
%87:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %101.sub0, 0, implicit $mode, implicit $exec
%86:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %101.sub1, 0, implicit $mode, implicit $exec
%83:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %101.sub2, 0, implicit $mode, implicit $exec
%89:sreg_32 = S_AND_B32 undef %11, %108, implicit-def dead $scc
%88:sreg_32 = IMPLICIT_DEF
%85:sreg_32 = IMPLICIT_DEF
%84:sreg_32 = IMPLICIT_DEF
%81:sreg_32 = IMPLICIT_DEF
%80:sreg_32 = IMPLICIT_DEF
%71:sreg_32 = S_AND_B32 undef %80, undef %80, implicit-def dead $scc
%67:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %114.sub0, 0, implicit $mode, implicit $exec
%68:sreg_32 = S_AND_B32 undef %70, undef %69, implicit-def dead $scc
%66:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %114.sub2, 0, implicit $mode, implicit $exec
%65:sreg_32 = S_OR_B32 %114.sub5, %114.sub7, implicit-def dead $scc
%63:sreg_32 = S_OR_B32 %8.sub0, %8.sub1, implicit-def dead $scc
%62:sreg_32 = S_OR_B32 %8.sub2, undef %63, implicit-def dead $scc
%64:sreg_32 = S_AND_B32 undef %63, %4, implicit-def dead $scc
%61:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %8.sub3, 0, implicit $mode, implicit $exec
%60:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %8.sub4, 0, implicit $mode, implicit $exec
%59:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %8.sub5, 0, implicit $mode, implicit $exec
%58:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %8.sub6, 0, implicit $mode, implicit $exec
%57:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %98, 0, implicit $mode, implicit $exec
%56:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %113.sub0, 0, implicit $mode, implicit $exec
%53:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %113.sub2, 0, implicit $mode, implicit $exec
%55:sreg_32 = IMPLICIT_DEF
%52:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %113.sub4, 0, implicit $mode, implicit $exec
%54:sreg_32 = S_AND_B32 undef %55, undef %56, implicit-def dead $scc
S_CMP_EQ_U32 %113.sub7, 0, implicit-def $scc
%51:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %112.sub0, 0, implicit $mode, implicit $exec
%49:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %112.sub2, 0, implicit $mode, implicit $exec
%48:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %112.sub4, 0, implicit $mode, implicit $exec
%47:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %112.sub6, 0, implicit $mode, implicit $exec
%50:sreg_32 = S_AND_B32 undef %51, undef %51, implicit-def dead $scc
%46:sreg_32 = S_OR_B32 %112.sub10, %112.sub9, implicit-def dead $scc
%45:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %112.sub13, 0, implicit $mode, implicit $exec
%44:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %112.sub14, 0, implicit $mode, implicit $exec
S_CMP_EQ_U32 %111.sub1, 0, implicit-def $scc
%116:sreg_32_xm0_xexec = IMPLICIT_DEF
%42:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %111.sub5, 0, implicit $mode, implicit $exec
%41:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %111.sub6, 0, implicit $mode, implicit $exec
%43:sreg_32 = IMPLICIT_DEF
%38:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %111.sub9, 0, implicit $mode, implicit $exec
%37:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %111.sub10, 0, implicit $mode, implicit $exec
%40:sreg_32 = IMPLICIT_DEF
%39:sreg_32 = S_AND_B32 undef %40, undef %43, implicit-def dead $scc
%36:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %111.sub12, 0, implicit $mode, implicit $exec
%34:sreg_32 = S_OR_B32 %7.sub0, %111.sub15, implicit-def dead $scc
%35:sreg_32 = IMPLICIT_DEF
%32:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %7.sub1, 0, implicit $mode, implicit $exec
%31:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %7.sub2, 0, implicit $mode, implicit $exec
%33:sreg_32 = IMPLICIT_DEF
%28:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %7.sub3, 0, implicit $mode, implicit $exec
%27:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %7.sub4, 0, implicit $mode, implicit $exec
%30:sreg_32 = IMPLICIT_DEF
%26:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %7.sub5, 0, implicit $mode, implicit $exec
%25:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %7.sub6, 0, implicit $mode, implicit $exec
%29:sreg_32 = S_AND_B32 undef %30, undef %33, implicit-def dead $scc
%23:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %6.sub0, 0, implicit $mode, implicit $exec
%22:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %6.sub1, 0, implicit $mode, implicit $exec
%24:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %96, 0, implicit $mode, implicit $exec
%21:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %6.sub2, 0, implicit $mode, implicit $exec
%20:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %6.sub3, 0, implicit $mode, implicit $exec
%19:sreg_32 = S_OR_B32 %6.sub4, %6.sub5, implicit-def dead $scc
S_CMP_EQ_U32 %96, 0, implicit-def $scc
%18:sreg_32 = S_AND_B32 undef %19, %3, implicit-def dead $scc
%14:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %93, 0, 0 :: ("amdgpu-noclobber" load (s32), align 8, addrspace 1)
S_CMP_EQ_U32 %110.sub7, 0, implicit-def $scc
%16:sreg_32 = V_CMP_GT_F32_e64 0, 0, 0, %95, 0, implicit $mode, implicit $exec
%17:sreg_32 = S_AND_B32 %107, undef %14, implicit-def dead $scc
%15:sreg_32 = S_AND_B32 undef %17, %2, implicit-def dead $scc
$vcc = COPY undef %15
S_CBRANCH_VCCNZ %bb.12, implicit $vcc
S_BRANCH %bb.11

bb.11:

bb.12:
GLOBAL_STORE_DWORD_SADDR undef %0, undef %0, %104, 0, 0, implicit $exec :: (store (s32), addrspace 1)
GLOBAL_STORE_DWORD_SADDR undef %0, undef %0, %106, 0, 0, implicit $exec :: (store (s32), addrspace 1)
S_ENDPGM 0
...

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