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| # RUN: llc -run-pass=arm-cp-islands %s -o - | FileCheck %s
# This test make sure that the constant pool does not keep in the middle of an IT block
# when needs to split a block to place them.
#
--- |
; ModuleID = '<stdin>'
source_filename = "<stdin>"
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv8m.main-arm-none-eabi"
%struct.e = type { double, double, double }
declare i32 @llvm.arm.space(i32, i32)
define hidden arm_aapcs_vfpcc %struct.e @h() {
unreachable
}
...
---
name: h
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
registers: []
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 64
offsetAdjustment: -40
maxAlignment: 4
adjustsStack: true
hasCalls: true
maxCallFrameSize: 0
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
localFrameSize: 28
savePoint: ''
restorePoint: ''
fixedStack: []
callSites: []
constants:
- id: 0
value: 'double 0.000000e+00'
alignment: 8
isTargetSpecific: false
- id: 1
value: 'double 7.020000e+02'
alignment: 8
isTargetSpecific: false
- id: 2
value: 'double 2.020000e+02'
alignment: 8
isTargetSpecific: false
machineFunctionInfo: {}
body: |
bb.0:
successors: %bb.1(0x80000000)
renamable $d0 = VLDRD %const.0, 0, 14, $noreg :: (load 8 from constant-pool)
dead renamable $r0 = SPACE 40, undef renamable $r0
bb.1:
successors: %bb.2(0x80000000)
dead renamable $r0 = SPACE 790, undef renamable $r0
bb.2:
successors:
renamable $r0 = t2MOVi 0, 14, _, _
t2CMPri $r0, 32, 14, $noreg, implicit-def $cpsr
renamable $r0 = SPACE 200, undef renamable $r0
; CHECK: t2IT 0, 1, implicit-def $itstate
; CHECK-NEXT: renamable $d0 = VLDRD %const.7, 0, 0, $cpsr, implicit $itstate :: (load 8 from constant-pool)
; CHECK-NEXT: renamable $d1 = VLDRD %const.5, 0, 0, $cpsr, implicit $itstate :: (load 8 from constant-pool)
; CHECK-NEXT: renamable $d2 = VLDRD %const.6, 0, 0, $cpsr, implicit $itstate :: (load 8 from constant-pool)
; CHECK-NEXT: $r0 = t2SUBri $r0, 12, 0, $cpsr, $noreg, implicit killed $itstate
t2IT 0, 1, implicit-def $itstate
renamable $d0 = VLDRD %const.1, 0, 0, $cpsr, implicit $itstate :: (load 8 from constant-pool)
renamable $d1 = VLDRD %const.2, 0, 0, $cpsr, implicit $itstate :: (load 8 from constant-pool)
renamable $d2 = VLDRD %const.0, 0, 0, $cpsr, implicit $itstate :: (load 8 from constant-pool)
$r0 = t2SUBri $r0, 12, 0, $cpsr, $noreg, implicit killed $itstate
t2IT 0, 4, implicit-def $itstate
$sp = tMOVr $r0, 0, $cpsr, implicit $itstate
$sp = t2LDMIA_RET $sp, 0, killed $cpsr, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $r11, def $pc, implicit killed $d0, implicit killed $d1, implicit killed $d2, implicit $sp, implicit killed $itstate
tBL 14, $noreg, &__stack_chk_fail, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
bb.3:
successors: %bb.3(0x80000000)
liveins: $r0
dead renamable $r0 = SPACE 4000, undef renamable $r0
t2B %bb.3, 14, $noreg
|