| # 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 %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 %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 %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 %val(s64) |
| $x0 = COPY %1(s64) |
| RET_ReallyLR implicit $x0 |