# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs -mtriple aarch64-unknown-unknown %s -o - | FileCheck %s
...
---
name: mul_to_shl
alignment: 4
tracksRegLiveness: true
frameInfo:
maxAlignment: 1
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: mul_to_shl
; CHECK: liveins: $x0
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
; CHECK: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[COPY]], [[C]](s64)
; CHECK: $x0 = COPY [[SHL]](s64)
; CHECK: RET_ReallyLR implicit-def $x0
%0:_(s64) = COPY $x0
%1:_(s64) = G_CONSTANT i64 4
%2:_(s64) = G_MUL %0, %1(s64)
$x0 = COPY %2(s64)
RET_ReallyLR implicit-def $x0
...
---
name: mul_to_shl_16
alignment: 4
tracksRegLiveness: true
frameInfo:
maxAlignment: 1
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: mul_to_shl_16
; CHECK: liveins: $x0
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
; CHECK: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[COPY]], [[C]](s64)
; CHECK: $x0 = COPY [[SHL]](s64)
; CHECK: RET_ReallyLR implicit-def $x0
%0:_(s64) = COPY $x0
%1:_(s64) = G_CONSTANT i64 16
%2:_(s64) = G_MUL %0, %1(s64)
$x0 = COPY %2(s64)
RET_ReallyLR implicit-def $x0
...
---
name: mul_to_shl_vector_16
alignment: 4
tracksRegLiveness: true
frameInfo:
maxAlignment: 1
machineFunctionInfo: {}
body: |
bb.0:
liveins: $q0
; Currently not implemented.
; CHECK-LABEL: name: mul_to_shl_vector_16
; CHECK: liveins: $q0
; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32), [[C]](s32), [[C]](s32)
; CHECK: [[MUL:%[0-9]+]]:_(<4 x s32>) = G_MUL [[COPY]], [[BUILD_VECTOR]]
; CHECK: $q0 = COPY [[MUL]](<4 x s32>)
; CHECK: RET_ReallyLR implicit-def $q0
%0:_(<4 x s32>) = COPY $q0
%1:_(s32) = G_CONSTANT i32 16
%2:_(<4 x s32>) = G_BUILD_VECTOR %1(s32), %1(s32), %1(s32), %1(s32)
%3:_(<4 x s32>) = G_MUL %0, %2(<4 x s32>)
$q0 = COPY %3(<4 x s32>)
RET_ReallyLR implicit-def $q0
...
---
name: mul_to_shl_non_pow2
alignment: 4
tracksRegLiveness: true
frameInfo:
maxAlignment: 1
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: mul_to_shl_non_pow2
; CHECK: liveins: $x0
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 10
; CHECK: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[COPY]], [[C]]
; CHECK: $x0 = COPY [[MUL]](s64)
; CHECK: RET_ReallyLR implicit-def $x0
%0:_(s64) = COPY $x0
%1:_(s64) = G_CONSTANT i64 10
%2:_(s64) = G_MUL %0, %1(s64)
$x0 = COPY %2(s64)
RET_ReallyLR implicit-def $x0
...
---
name: mul_to_shl_16_nuw_nsw
alignment: 4
tracksRegLiveness: true
frameInfo:
maxAlignment: 1
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: mul_to_shl_16_nuw_nsw
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s64) = nuw nsw G_SHL [[COPY]], [[C]](s64)
; CHECK-NEXT: $x0 = COPY [[SHL]](s64)
; CHECK-NEXT: RET_ReallyLR implicit-def $x0
%0:_(s64) = COPY $x0
%1:_(s64) = G_CONSTANT i64 16
%2:_(s64) = nuw nsw G_MUL %0, %1(s64)
$x0 = COPY %2(s64)
RET_ReallyLR implicit-def $x0
...
---
name: mul_to_shl_int_min_nuw_nsw
alignment: 4
tracksRegLiveness: true
frameInfo:
maxAlignment: 1
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: mul_to_shl_int_min_nuw_nsw
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 63
; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s64) = nuw G_SHL [[COPY]], [[C]](s64)
; CHECK-NEXT: $x0 = COPY [[SHL]](s64)
; CHECK-NEXT: RET_ReallyLR implicit-def $x0
%0:_(s64) = COPY $x0
%1:_(s64) = G_CONSTANT i64 -9223372036854775808
%2:_(s64) = nuw nsw G_MUL %0, %1(s64)
$x0 = COPY %2(s64)
RET_ReallyLR implicit-def $x0
...
Codebase Browser
llvm