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78 lines
2.9 KiB
YAML
78 lines
2.9 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -amdgpu-enable-rewrite-partial-reg-uses=false -amdgpu-dce-in-ra=0 -stress-regalloc=1 -start-before=register-coalescer -stop-after=greedy,1 -o - %s | FileCheck %s
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# https://bugs.llvm.org/show_bug.cgi?id=33620
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---
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# This would assert due to the empty live interval created for %9
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# on the last S_NOP with an undef subreg use.
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name: expecting_non_empty_interval
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tracksRegLiveness: true
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machineFunctionInfo:
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scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3
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stackPtrOffsetReg: $sgpr32
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body: |
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; CHECK-LABEL: name: expecting_non_empty_interval
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: undef [[V_MOV_B32_e32_:%[0-9]+]].sub1:vreg_64 = V_MOV_B32_e32 1786773504, implicit $exec
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; CHECK-NEXT: dead [[V_MUL_F32_e32_:%[0-9]+]]:vgpr_32 = V_MUL_F32_e32 0, [[V_MOV_B32_e32_]].sub1, implicit $mode, implicit $exec
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; CHECK-NEXT: undef [[V_MAC_F32_e32_:%[0-9]+]].sub1:vreg_64 = V_MAC_F32_e32 0, undef %1:vgpr_32, undef [[V_MAC_F32_e32_]].sub1, implicit $mode, implicit $exec
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: S_NOP 0, implicit [[V_MOV_B32_e32_]].sub1
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; CHECK-NEXT: S_NOP 0, implicit [[V_MAC_F32_e32_]].sub1
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; CHECK-NEXT: S_NOP 0, implicit undef [[V_MAC_F32_e32_]].sub0
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bb.0:
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successors: %bb.1
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undef %0.sub1:vreg_64 = V_MAC_F32_e32 0, undef %1:vgpr_32, undef %0.sub1, implicit $mode, implicit $exec
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undef %2.sub1:vreg_64 = V_MOV_B32_e32 1786773504, implicit $exec
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dead %3:vgpr_32 = V_MUL_F32_e32 0, %2.sub1, implicit $mode, implicit $exec
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bb.1:
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S_NOP 0, implicit %2.sub1
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S_NOP 0, implicit %0.sub1
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S_NOP 0, implicit undef %0.sub0
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...
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# Similar assert which happens when trying to rematerialize.
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# https://bugs.llvm.org/show_bug.cgi?id=33884
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---
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name: rematerialize_empty_interval_has_reference
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tracksRegLiveness: true
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machineFunctionInfo:
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scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3
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stackPtrOffsetReg: $sgpr32
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body: |
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; CHECK-LABEL: name: rematerialize_empty_interval_has_reference
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: undef [[V_MOV_B32_e32_:%[0-9]+]].sub2:vreg_128 = V_MOV_B32_e32 0, implicit $exec
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; CHECK-NEXT: undef [[V_MOV_B32_e32_1:%[0-9]+]].sub2:vreg_128 = V_MOV_B32_e32 1786773504, implicit $exec
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: S_NOP 0, implicit [[V_MOV_B32_e32_1]].sub2
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; CHECK-NEXT: S_NOP 0, implicit undef [[V_MOV_B32_e32_]].sub0
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; CHECK-NEXT: S_NOP 0, implicit [[V_MOV_B32_e32_]].sub2
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bb.0:
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successors: %bb.1
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undef %0.sub2:vreg_128 = V_MOV_B32_e32 0, implicit $exec
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undef %1.sub2:vreg_128 = V_MOV_B32_e32 1786773504, implicit $exec
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bb.1:
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S_NOP 0, implicit %1.sub2
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S_NOP 0, implicit undef %0.sub0
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S_NOP 0, implicit %0.sub2
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...
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