select-ldaxr-intrin.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-unknown-unknown -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
define void @test_load_acquire_i8(i8* %addr) { ret void }
define void @test_load_acquire_i16(i16* %addr) { ret void }
define void @test_load_acquire_i32(i32* %addr) { ret void }
define void @test_load_acquire_i64(i64* %addr) { ret void }
...
---
name: test_load_acquire_i8
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: test_load_acquire_i8
; CHECK: liveins: $x0
; CHECK: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
; CHECK: [[LDAXRB:%[0-9]+]]:gpr32 = LDAXRB [[COPY]] :: (volatile load 1 from %ir.addr)
; CHECK: [[SUBREG_TO_REG:%[0-9]+]]:gpr64all = SUBREG_TO_REG 0, [[LDAXRB]], %subreg.sub_32
; CHECK: $x1 = COPY [[SUBREG_TO_REG]]
; CHECK: RET_ReallyLR implicit $x1
%0:gpr(p0) = COPY $x0
%1:gpr(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.aarch64.ldaxr), %0(p0) :: (volatile load 1 from %ir.addr)
$x1 = COPY %1
RET_ReallyLR implicit $x1
...
---
name: test_load_acquire_i16
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: test_load_acquire_i16
; CHECK: liveins: $x0
; CHECK: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
; CHECK: [[LDAXRH:%[0-9]+]]:gpr32 = LDAXRH [[COPY]] :: (volatile load 2 from %ir.addr)
; CHECK: [[SUBREG_TO_REG:%[0-9]+]]:gpr64all = SUBREG_TO_REG 0, [[LDAXRH]], %subreg.sub_32
; CHECK: $x1 = COPY [[SUBREG_TO_REG]]
; CHECK: RET_ReallyLR implicit $x1
%0:gpr(p0) = COPY $x0
%1:gpr(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.aarch64.ldaxr), %0(p0) :: (volatile load 2 from %ir.addr)
$x1 = COPY %1
RET_ReallyLR implicit $x1
...
---
name: test_load_acquire_i32
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: test_load_acquire_i32
; CHECK: liveins: $x0
; CHECK: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
; CHECK: [[LDAXRW:%[0-9]+]]:gpr32 = LDAXRW [[COPY]] :: (volatile load 4 from %ir.addr)
; CHECK: [[SUBREG_TO_REG:%[0-9]+]]:gpr64all = SUBREG_TO_REG 0, [[LDAXRW]], %subreg.sub_32
; CHECK: $x1 = COPY [[SUBREG_TO_REG]]
; CHECK: RET_ReallyLR implicit $x1
%0:gpr(p0) = COPY $x0
%1:gpr(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.aarch64.ldaxr), %0(p0) :: (volatile load 4 from %ir.addr)
$x1 = COPY %1
RET_ReallyLR implicit $x1
...
---
name: test_load_acquire_i64
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: test_load_acquire_i64
; CHECK: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
; CHECK: [[LDAXRX:%[0-9]+]]:gpr64 = LDAXRX [[COPY]] :: (volatile load 8 from %ir.addr)
; CHECK: $x1 = COPY [[LDAXRX]]
; CHECK: RET_ReallyLR implicit $x1
%0:gpr(p0) = COPY $x0
%1:gpr(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.aarch64.ldaxr), %0(p0) :: (volatile load 8 from %ir.addr)
$x1 = COPY %1
RET_ReallyLR implicit $x1