| # RUN: llc -mtriple=thumbv7 -start-before=if-converter %s -o - | FileCheck %s |
| |
| --- | |
| ; ModuleID = 'vdup-test.ll' |
| source_filename = "vdup-test.ll" |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv7" |
| |
| define arm_aapcs_vfpcc <2 x i32> @NeonVdupMul(i32 %scalar, i32 %N, <2 x i32> %vector) { |
| entry: |
| %cmp = icmp ne i32 %N, 0 |
| %broadcast = insertelement <2 x i32> undef, i32 %scalar, i32 0 |
| %dup = shufflevector <2 x i32> %broadcast, <2 x i32> undef, <2 x i32> zeroinitializer |
| %mul = mul <2 x i32> %dup, %vector |
| br i1 %cmp, label %select.end, label %select.false |
| |
| select.false: ; preds = %entry |
| br label %select.end |
| |
| select.end: ; preds = %entry, %select.false |
| %res = phi <2 x i32> [ %mul, %entry ], [ %vector, %select.false ] |
| ret <2 x i32> %res |
| } |
| |
| ... |
| --- |
| name: NeonVdupMul |
| alignment: 2 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| failedISel: false |
| tracksRegLiveness: true |
| hasWinCFI: false |
| registers: [] |
| liveins: |
| - { reg: '$r0', virtual-reg: '' } |
| - { reg: '$r1', virtual-reg: '' } |
| - { reg: '$d0', virtual-reg: '' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 1 |
| adjustsStack: false |
| hasCalls: false |
| stackProtector: '' |
| maxCallFrameSize: 0 |
| cvBytesOfCalleeSavedRegisters: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| localFrameSize: 0 |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: [] |
| stack: [] |
| callSites: [] |
| constants: [] |
| machineFunctionInfo: {} |
| body: | |
| bb.0.entry: |
| successors: %bb.1(0x50000000), %bb.2(0x30000000) |
| liveins: $d0, $r0, $r1 |
| |
| t2CMPri killed renamable $r1, 0, 14, $noreg, implicit-def $cpsr |
| t2Bcc %bb.2, 0, killed $cpsr |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| liveins: $d0, $r0 |
| |
| renamable $d16 = VDUP32d killed renamable $r0, 14, $noreg |
| ; Verify that the neon instructions haven't been conditionalized: |
| ; CHECK-LABEL: NeonVdupMul |
| ; CHECK: vdup.32 |
| ; CHECK: vmul.i32 |
| renamable $d0 = VMULv2i32 killed renamable $d16, killed renamable $d0, 14, $noreg |
| |
| bb.2.select.end: |
| liveins: $d0 |
| |
| tBX_RET 14, $noreg, implicit $d0 |
| |
| ... |