# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple=aarch64 -global-isel -verify-machineinstrs -run-pass=legalizer %s -o - | FileCheck %s ... --- name: s8 tracksRegLiveness: true body: | bb.0: liveins: $w0 ; CHECK-LABEL: name: s8 ; CHECK: liveins: $w0 ; CHECK: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 256 ; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[DEF]], [[C]] ; CHECK: [[BITREVERSE:%[0-9]+]]:_(s32) = G_BITREVERSE [[OR]] ; CHECK: [[CTLZ:%[0-9]+]]:_(s32) = G_CTLZ [[BITREVERSE]](s32) ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[CTLZ]](s32) ; CHECK: $w0 = COPY [[COPY]](s32) ; CHECK: RET_ReallyLR implicit $w0 %val:_(s8) = G_IMPLICIT_DEF %cttz:_(s8) = G_CTTZ_ZERO_UNDEF %val(s8) %ext:_(s32) = G_ANYEXT %cttz(s8) $w0 = COPY %ext(s32) RET_ReallyLR implicit $w0 ... --- name: s16 tracksRegLiveness: true body: | bb.0: liveins: $w0 ; CHECK-LABEL: name: s16 ; CHECK: liveins: $w0 ; CHECK: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65536 ; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[DEF]], [[C]] ; CHECK: [[BITREVERSE:%[0-9]+]]:_(s32) = G_BITREVERSE [[OR]] ; CHECK: [[CTLZ:%[0-9]+]]:_(s32) = G_CTLZ [[BITREVERSE]](s32) ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[CTLZ]](s32) ; CHECK: $w0 = COPY [[COPY]](s32) ; CHECK: RET_ReallyLR implicit $w0 %val:_(s16) = G_IMPLICIT_DEF %cttz:_(s16) = G_CTTZ_ZERO_UNDEF %val(s16) %ext:_(s32) = G_ANYEXT %cttz(s16) $w0 = COPY %ext(s32) RET_ReallyLR implicit $w0 ... --- name: s32 alignment: 4 tracksRegLiveness: true body: | bb.0: liveins: $w0 ; CHECK-LABEL: name: s32 ; CHECK: liveins: $w0 ; CHECK: %val:_(s32) = COPY $w0 ; CHECK: [[BITREVERSE:%[0-9]+]]:_(s32) = G_BITREVERSE %val ; CHECK: [[CTLZ:%[0-9]+]]:_(s32) = G_CTLZ [[BITREVERSE]](s32) ; CHECK: $w0 = COPY [[CTLZ]](s32) ; CHECK: RET_ReallyLR implicit $w0 %val:_(s32) = COPY $w0 %1:_(s32) = G_CTTZ_ZERO_UNDEF %val(s32) $w0 = COPY %1(s32) RET_ReallyLR implicit $w0 ... --- name: s64 alignment: 4 tracksRegLiveness: true body: | bb.0: liveins: $x0 ; CHECK-LABEL: name: s64 ; CHECK: liveins: $x0 ; CHECK: %val:_(s64) = COPY $x0 ; CHECK: [[BITREVERSE:%[0-9]+]]:_(s64) = G_BITREVERSE %val ; CHECK: [[CTLZ:%[0-9]+]]:_(s64) = G_CTLZ [[BITREVERSE]](s64) ; CHECK: $x0 = COPY [[CTLZ]](s64) ; CHECK: RET_ReallyLR implicit $x0 %val:_(s64) = COPY $x0 %1:_(s64) = G_CTTZ_ZERO_UNDEF %val(s64) $x0 = COPY %1(s64) RET_ReallyLR implicit $x0 ...