llvm-for-llvmta/test/CodeGen/AMDGPU/si-i1-copies.mir

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2022-04-25 10:02:23 +02:00
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -run-pass=si-i1-copies -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN %s
# Test that the new IMPLICIT_DEF is inserted in the correct location.
---
name: test_undef
tracksRegLiveness: true
body: |
; GCN-LABEL: name: test_undef
; GCN: bb.0:
; GCN: successors: %bb.1(0x80000000)
; GCN: S_BRANCH %bb.1
; GCN: bb.1:
; GCN: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
; GCN: [[COPY:%[0-9]+]]:sreg_64_xexec = COPY [[DEF]]
; GCN: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, [[COPY]], implicit $exec
bb.0:
successors: %bb.1
%0:vreg_1 = IMPLICIT_DEF
S_BRANCH %bb.1
bb.1:
%1:vreg_1 = PHI %0, %bb.0
%2:sreg_64_xexec = COPY %1
%3:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %2, implicit $exec
...