# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -O0 -mtriple arm64-- -run-pass=regbankselect -verify-machineinstrs %s -o - | FileCheck %s --- name: unmerge alignment: 4 legalized: true tracksRegLiveness: true frameInfo: maxCallFrameSize: 0 body: | bb.0: liveins: $q0 ; Ensure that the dest regs have FPR since we're unmerging from a vector ; CHECK-LABEL: name: unmerge ; CHECK: liveins: $q0 ; CHECK: [[COPY:%[0-9]+]]:fpr(<2 x s64>) = COPY $q0 ; CHECK: [[UV:%[0-9]+]]:fpr(s64), [[UV1:%[0-9]+]]:fpr(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>) ; CHECK: $x0 = COPY [[UV]](s64) ; CHECK: RET_ReallyLR implicit $x0 %0:_(<2 x s64>) = COPY $q0 %1:_(s64), %2:_(s64) = G_UNMERGE_VALUES %0(<2 x s64>) $x0 = COPY %1(s64) RET_ReallyLR implicit $x0 ... --- name: unmerge_s128 alignment: 4 legalized: true tracksRegLiveness: true frameInfo: maxCallFrameSize: 0 body: | bb.0: liveins: $q0 ; s128 should be treated as an FPR/vector because it can't live on GPR bank. ; CHECK-LABEL: name: unmerge_s128 ; CHECK: liveins: $q0 ; CHECK: [[COPY:%[0-9]+]]:fpr(s128) = COPY $q0 ; CHECK: [[UV:%[0-9]+]]:fpr(s64), [[UV1:%[0-9]+]]:fpr(s64) = G_UNMERGE_VALUES [[COPY]](s128) ; CHECK: $x0 = COPY [[UV]](s64) ; CHECK: RET_ReallyLR implicit $x0 %0:_(s128) = COPY $q0 %1:_(s64), %2:_(s64) = G_UNMERGE_VALUES %0(s128) $x0 = COPY %1(s64) RET_ReallyLR implicit $x0 ...