# RUN: llc -march=amdgcn -run-pass=si-fix-sgpr-copies -o - %s | FileCheck --check-prefix=GCN %s # GCN-LABEL: name: fix-sgpr-copies # GCN: V_ADD_I32_e32 # GCN: V_ADDC_U32_e32 --- name: fix-sgpr-copies body: | bb.0: %0:vgpr_32 = IMPLICIT_DEF %1:sreg_32 = IMPLICIT_DEF %2:sreg_32 = IMPLICIT_DEF %3:sreg_32 = IMPLICIT_DEF %4:vgpr_32 = V_CVT_U32_F32_e64 0, %0:vgpr_32, 0, 0, implicit $exec %5:sreg_32 = COPY %4:vgpr_32 %6:sreg_32 = S_ADD_I32 %2:sreg_32, %5:sreg_32, implicit-def $scc %7:sreg_32 = S_ADDC_U32 %3:sreg_32, %1:sreg_32, implicit-def $scc, implicit $scc ... # Test to ensure i1 phi copies from scalar registers through another phi won't # be promoted into vector ones. # GCN-LABEL: name: fix-sgpr-i1-phi-copies # GCN: .8: # GCN-NOT: vreg_64 = PHI --- name: fix-sgpr-i1-phi-copies tracksRegLiveness: true body: | bb.9: S_BRANCH %bb.0 bb.4: S_CBRANCH_SCC1 %bb.6, implicit undef $scc bb.5: %3:vreg_1 = IMPLICIT_DEF bb.6: %4:vreg_1 = PHI %2:sreg_64, %bb.4, %3:vreg_1, %bb.5 bb.7: %5:vreg_1 = PHI %2:sreg_64, %bb.3, %4:vreg_1, %bb.6 S_BRANCH %bb.8 bb.0: S_CBRANCH_SCC1 %bb.2, implicit undef $scc bb.1: %0:sreg_64 = S_MOV_B64 0 S_BRANCH %bb.3 bb.2: %1:sreg_64 = S_MOV_B64 -1 S_BRANCH %bb.3 bb.3: %2:sreg_64 = PHI %0:sreg_64, %bb.1, %1:sreg_64, %bb.2 S_CBRANCH_SCC1 %bb.7, implicit undef $scc S_BRANCH %bb.4 bb.8: ...