irg-nomem.mir
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# RUN: llc -mtriple=aarch64-none-linux-android -run-pass aarch64-ldst-opt -o - %s | FileCheck %s
--- |
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-unknown-linux-android"
define void @f(i64* nocapture %x) "target-features"="+mte" {
entry:
store i64 1, i64* %x, align 8
%0 = tail call i8* @llvm.aarch64.irg(i8* null, i64 0)
%1 = tail call i8* @llvm.aarch64.irg.sp(i64 0)
%arrayidx1 = getelementptr inbounds i64, i64* %x, i64 1
store i64 1, i64* %arrayidx1, align 8
ret void
}
declare i8* @llvm.aarch64.irg(i8*, i64) nounwind
declare i8* @llvm.aarch64.irg.sp(i64) nounwind
...
---
name: f
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
registers: []
liveins:
- { reg: '$x0', virtual-reg: '' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
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:
liveins: $x0
$x8 = ORRXrs $xzr, $xzr, 0
$w9 = MOVZWi 1, 0, implicit-def $x9
; Check that stores are merged across IRG.
; CHECK: STPXi renamable $x9, renamable $x9, renamable $x0, 0
STRXui renamable $x9, renamable $x0, 0 :: (store 8 into %ir.x)
dead renamable $x10 = IRG renamable $x8, $xzr
dead renamable $x8 = IRG $sp, $xzr
STRXui killed renamable $x9, killed renamable $x0, 1 :: (store 8 into %ir.arrayidx1)
RET undef $lr
...