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|
# RUN: llc -mtriple=aarch64-unknown-fuchsia -run-pass=greedy -verify-machineinstrs -o - %s | FileCheck %s
# Check that we spill %31 and do not rematerialize it since the use operand
# of ADDXri is killed by the STRXui in this block.
# CHECK-LABEL: name: test
# CHECK: bb.17:
# CHECK: STRXui
# CHECK: LDRXui
# CHECK: bb.18:
---
name: test
tracksRegLiveness: true
stack:
- { id: 0, type: variable-sized, offset: 0, alignment: 32,
stack-id: default }
body: |
bb.0.entry:
successors: %bb.2(0x40000000), %bb.1(0x40000000)
liveins: $x0
%22:gpr64common = COPY $x0
CBZW $wzr, %bb.2
bb.1:
successors: %bb.3(0x80000000)
%1:gpr64 = COPY $xzr
B %bb.3
bb.2:
successors: %bb.3(0x80000000)
$x0 = IMPLICIT_DEF
%1:gpr64 = COPY $x0
bb.3:
successors: %bb.4(0x30000000), %bb.5(0x50000000)
%2:gpr64common = COPY %1
CBNZX %1, %bb.5
B %bb.4
bb.4:
successors: %bb.5(0x80000000)
%31:gpr64common = SUBXri $sp, 288, 0
$sp = ANDXri %31, 7930
%2:gpr64common = COPY $xzr
bb.5:
successors: %bb.6(0x80000000)
%9:gpr64common = COPY $xzr
%35:gpr64sp = ADDXri %2, 32, 0
%4:gpr64common = UBFMXri %2, 3, 63
%37:gpr64 = MOVi64imm -506381209866536712
%38:gpr32 = MOVi32imm -202116109
%39:gpr64common = nuw ADDXri %22, 836, 0
%41:gpr64common = nuw ADDXri %22, 648, 0
STRXui %37, %4, 1
STRWui %38, %4, 8
%8:gpr64common = UBFMXri %39, 3, 63
%7:gpr64common = UBFMXri %41, 3, 63
%47:gpr64 = MOVi64imm 0
bb.6:
successors: %bb.8(0x30000000), %bb.7(0x50000000)
%44:gpr64common = ADDXrr %22, %9
%10:gpr64common = ADDXri %44, 648, 0
%11:gpr64common = ANDSXri %10, 4098, implicit-def $nzcv
Bcc 0, %bb.8, implicit killed $nzcv
B %bb.7
bb.7:
successors: %bb.8(0x80000000)
BL 0, csr_aarch64_aapcs, implicit-def dead $lr
bb.8:
successors: %bb.9(0x04000000), %bb.24(0x7c000000)
CBNZW $wzr, %bb.24
B %bb.9
bb.9:
successors: %bb.10(0x7ffff800), %bb.11(0x00000800)
%55:gpr64common = ADDXrr %22, %9
%56:gpr64sp = ADDXri %55, 648, 0
CBZX %11, %bb.10
B %bb.11
bb.10:
successors: %bb.11(0x80000000)
$x0 = ADDXri %55, 648, 0
$x2 = IMPLICIT_DEF
$w1 = COPY $wzr
$x1 = nuw ADDXri %35, 32, 0
BL 0, csr_aarch64_aapcs, implicit-def dead $lr
%66:gpr64sp = nuw ADDXri %35, 48, 0
$x0 = ADDXri %55, 696, 0
$x2 = IMPLICIT_DEF
$x1 = COPY %66
bb.11:
successors: %bb.15(0x7ffff800), %bb.12(0x00000800)
CBZX %11, %bb.15
B %bb.12
bb.12:
successors: %bb.13(0x00000000), %bb.14(0x80000000)
CBNZW $wzr, %bb.14
B %bb.13
bb.13:
successors:
bb.14:
successors: %bb.18(0x80000000)
$x1 = COPY %56
B %bb.18
bb.15:
successors: %bb.16(0x00000000), %bb.17(0x80000000)
%76:gpr32 = LDRBBui %7, 0
CBZW %76, %bb.17
B %bb.16
bb.16:
successors:
%74:gpr64common = ADDXrr %22, %9
%15:gpr64sp = ADDXri %74, 648, 0
$x0 = COPY %15
bb.17:
successors: %bb.18(0x80000000)
STRXui %22, %55, 81
bb.18:
successors: %bb.19(0x80000000), %bb.20(0x00000000)
%79:gpr32 = LDRBBui %8, 0
CBNZW %79, %bb.20
B %bb.19
bb.19:
successors: %bb.21(0x80000000), %bb.20(0x00000000)
%80:gpr32 = MOVi32imm 1
CBNZW %80, %bb.21
B %bb.20
bb.20:
successors:
%16:gpr64sp = ADDXri %22, 836, 0
$x0 = COPY %16
bb.21:
successors: %bb.24(0x00000000), %bb.22(0x80000000)
CBZW $wzr, %bb.24
bb.22:
successors: %bb.26(0x80000000)
B %bb.26
bb.24:
successors: %bb.25(0x04000000), %bb.6(0x7c000000)
%8:gpr64common = ADDXri %8, 24, 0
%7:gpr64common = ADDXri %7, 24, 0
CBNZW $wzr, %bb.6
bb.25:
successors: %bb.26(0x80000000)
%56:gpr64sp = COPY $xzr
bb.26:
successors: %bb.28(0x50000000), %bb.27(0x30000000)
undef %83.sub_32:gpr64 = MOVi32imm 1172321806
STRXui %83, %2, 0
CBNZX %1, %bb.28
B %bb.27
bb.27:
successors: %bb.28(0x80000000)
STRXui $xzr, %4, 0
bb.28:
$x0 = COPY %56
RET_ReallyLR implicit $x0
...
|
