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|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64-apple-ios -run-pass=aarch64-prelegalizer-combiner %s -o - -verify-machineinstrs | FileCheck %s
# REQUIRES: asserts
# Check that we fold two adds of constant offsets with G_PTR_ADD into a single G_PTR_ADD.
---
name: ptradd_chain
tracksRegLiveness: true
body: |
bb.1:
liveins: $x0
; CHECK-LABEL: name: ptradd_chain
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
; CHECK-NEXT: $x0 = COPY [[PTR_ADD]](p0)
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:_(p0) = COPY $x0
%1:_(s64) = G_CONSTANT i64 4
%2:_(s64) = G_CONSTANT i64 12
%3:_(p0) = G_PTR_ADD %0(p0), %1
%4:_(p0) = G_PTR_ADD %3(p0), %2
$x0 = COPY %4(p0)
RET_ReallyLR implicit $x0
...
---
name: ptradd_chain_2
tracksRegLiveness: true
body: |
bb.1:
liveins: $x0
; CHECK-LABEL: name: ptradd_chain_2
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 28
; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
; CHECK-NEXT: $x0 = COPY [[PTR_ADD]](p0)
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:_(p0) = COPY $x0
%1:_(s64) = G_CONSTANT i64 4
%2:_(s64) = G_CONSTANT i64 12
%3:_(p0) = G_PTR_ADD %0(p0), %1
%4:_(p0) = G_PTR_ADD %3(p0), %2
%5:_(p0) = G_PTR_ADD %4(p0), %2
$x0 = COPY %5(p0)
RET_ReallyLR implicit $x0
...
---
name: ptradd_chain_lookthough
tracksRegLiveness: true
body: |
bb.1:
liveins: $x0
; CHECK-LABEL: name: ptradd_chain_lookthough
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 28
; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
; CHECK-NEXT: $x0 = COPY [[PTR_ADD]](p0)
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:_(p0) = COPY $x0
%1:_(s64) = G_CONSTANT i64 4
%2:_(s64) = G_CONSTANT i64 12
%6:_(s32) = G_TRUNC %2(s64)
%7:_(s64) = G_SEXT %6(s32)
%3:_(p0) = G_PTR_ADD %0(p0), %1
%4:_(p0) = G_PTR_ADD %3(p0), %2
%5:_(p0) = G_PTR_ADD %4(p0), %7
$x0 = COPY %5(p0)
RET_ReallyLR implicit $x0
...
---
name: ptradd_would_form_illegal_load_addressing
tracksRegLiveness: true
body: |
bb.1:
liveins: $x0
; CHECK-LABEL: name: ptradd_would_form_illegal_load_addressing
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4096
; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD]], [[C1]](s64)
; CHECK-NEXT: %ld:_(s64) = G_LOAD [[PTR_ADD1]](p0) :: (load (s64))
; CHECK-NEXT: %ld_other:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load (s64))
; CHECK-NEXT: $x0 = COPY %ld(s64)
; CHECK-NEXT: $x1 = COPY %ld_other(s64)
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:_(p0) = COPY $x0
%1:_(s64) = G_CONSTANT i64 4
%2:_(s64) = G_CONSTANT i64 4096
%3:_(p0) = G_PTR_ADD %0(p0), %1
%4:_(p0) = G_PTR_ADD %3(p0), %2
%ld:_(s64) = G_LOAD %4(p0) :: (load 8)
%ld_other:_(s64) = G_LOAD %3(p0) :: (load 8)
$x0 = COPY %ld(s64)
$x1 = COPY %ld_other(s64)
RET_ReallyLR implicit $x0
...
---
# PR58906
name: ptradd_constant_type_mismatch
tracksRegLiveness: true
body: |
bb.1:
liveins: $x0, $x1
; CHECK-LABEL: name: ptradd_constant_type_mismatch
; CHECK: liveins: $x0, $x1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[COPY1]](s64)
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD]], [[C]](s64)
; CHECK-NEXT: %ld:_(s64) = G_LOAD [[PTR_ADD1]](p0) :: (load (s64))
; CHECK-NEXT: $x0 = COPY %ld(s64)
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:_(p0) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s32) = G_CONSTANT i32 8
%3:_(s64) = G_ZEXT %2:_(s32)
%4:_(p0) = G_PTR_ADD %0:_, %3:_(s64)
%5:_(p0) = G_PTR_ADD %4:_, %1:_(s64)
%ld:_(s64) = G_LOAD %5(p0) :: (load 8)
$x0 = COPY %ld(s64)
RET_ReallyLR implicit $x0
...
|
