blob: 8adbf284054d6044d33179aae81c29672dc25d96 [file] [log] [blame]
# RUN: llc -run-pass si-optimize-exec-masking-pre-ra -mtriple=amdgcn -verify-machineinstrs -o - %s | FileCheck --check-prefixes=GCN %s
---
# GCN-LABEL: name: opt_exec_copy_fold
# GCN: %2:vreg_64 = COPY $exec
name: opt_exec_copy_fold
tracksRegLiveness: true
liveins:
- { reg: '$sgpr0_sgpr1' }
body: |
bb.0:
liveins: $sgpr0_sgpr1
%0:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, $sgpr0_sgpr1, implicit $exec
%1:sreg_64 = V_CMP_NE_U32_e64 0, %0, implicit $exec
%2:vreg_64 = COPY $exec
%3:sreg_64 = V_CMP_EQ_U64_e64 %1, %2, implicit $exec
$scc = COPY %3
S_CBRANCH_SCC0 %bb.1, implicit $scc
bb.1:
...