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fcf8b40603
It's possible to have a single virtual register def with a subreg index that would pass the previous check, but it's not possible to have a subregister def in SSA. This is in preparation for adding stricter checks for SSA MIR.
16 lines
518 B
YAML
16 lines
518 B
YAML
# REQUIRES: asserts
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# RUN: not --crash llc -march=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs -o /dev/null %s 2>&1 | FileCheck %s
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# CHECK: MachineFunctionProperties required by InstructionSelect pass are not met by function subreg_def_is_not_ssa.
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# CHECK-NEXT: Required properties: IsSSA
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# CHECK-NEXT: Current properties: NoPHIs
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# CHECK-NEXT: MachineFunctionProperties check failed
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---
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name: subreg_def_is_not_ssa
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body: |
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bb.0:
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%0.sub0:vreg_64 = V_MOV_B32_e32 0, implicit $exec
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...
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