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[ARM][LowOverheadLoops] Update liveness info 

After expanding the pseudo instructions, update the liveness info.
We do this in a post-order traversal of the loop, including its
exit blocks and preheader(s).

Differential Revision: https://reviews.llvm.org/D72131
This commit is contained in:
Sam Parker 2020-01-09 08:33:47 +00:00
parent 2d515e49d8
commit e93e0d413f
15 changed files with 180 additions and 108 deletions
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13
llvm/lib/CodeGen/LivePhysRegs.cpp
View File

@ -276,6 +276,7 @@ void llvm::recomputeLivenessFlags(MachineBasicBlock &MBB) {
const MachineFunction &MF = *MBB.getParent();
const MachineRegisterInfo &MRI = MF.getRegInfo();
const TargetRegisterInfo &TRI = *MRI.getTargetRegisterInfo();
const MachineFrameInfo &MFI = MF.getFrameInfo();
// We walk through the block backwards and start with the live outs.
LivePhysRegs LiveRegs;
@ -294,6 +295,18 @@ void llvm::recomputeLivenessFlags(MachineBasicBlock &MBB) {
assert(Register::isPhysicalRegister(Reg));
bool IsNotLive = LiveRegs.available(MRI, Reg);
// Special-case return instructions for cases when a return is not
// the last instruction in the block.
if (MI.isReturn() && MFI.isCalleeSavedInfoValid()) {
for (const CalleeSavedInfo &Info : MFI.getCalleeSavedInfo()) {
if (Info.getReg() == Reg) {
IsNotLive = !Info.isRestored();
break;
}
}
}
MO->setIsDead(IsNotLive);
}

64
llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
View File

@ -43,6 +43,61 @@ using namespace llvm;
namespace {
class PostOrderLoopTraversal {
MachineLoop &ML;
MachineLoopInfo &MLI;
SmallPtrSet<MachineBasicBlock*, 4> Visited;
SmallVector<MachineBasicBlock*, 4> Order;
public:
PostOrderLoopTraversal(MachineLoop &ML, MachineLoopInfo &MLI)
: ML(ML), MLI(MLI) { }
const SmallVectorImpl<MachineBasicBlock*> &getOrder() const {
return Order;
}
// Visit all the blocks within the loop, as well as exit blocks and any
// blocks properly dominating the header.
void ProcessLoop() {
std::function<void(MachineBasicBlock*)> Search = [this, &Search]
(MachineBasicBlock *MBB) -> void {
if (Visited.count(MBB))
return;
Visited.insert(MBB);
for (auto *Succ : MBB->successors()) {
if (!ML.contains(Succ))
continue;
Search(Succ);
}
Order.push_back(MBB);
};
// Insert exit blocks.
SmallVector<MachineBasicBlock*, 2> ExitBlocks;
ML.getExitBlocks(ExitBlocks);
for (auto *MBB : ExitBlocks)
Order.push_back(MBB);
// Then add the loop body.
Search(ML.getHeader());
// Then try the preheader and its predecessors.
std::function<void(MachineBasicBlock*)> GetPredecessor =
[this, &GetPredecessor] (MachineBasicBlock *MBB) -> void {
Order.push_back(MBB);
if (MBB->pred_size() == 1)
GetPredecessor(*MBB->pred_begin());
};
if (auto *Preheader = ML.getLoopPreheader())
GetPredecessor(Preheader);
else if (auto *Preheader = MLI.findLoopPreheader(&ML, true))
GetPredecessor(Preheader);
}
};
struct PredicatedMI {
MachineInstr *MI = nullptr;
SetVector<MachineInstr*> Predicates;
@ -976,6 +1031,15 @@ void ARMLowOverheadLoops::Expand(LowOverheadLoop &LoLoop) {
ConvertVPTBlocks(LoLoop);
}
}
PostOrderLoopTraversal DFS(*LoLoop.ML, *MLI);
DFS.ProcessLoop();
const SmallVectorImpl<MachineBasicBlock*> &PostOrder = DFS.getOrder();
for (auto *MBB : PostOrder)
recomputeLiveIns(*MBB);
for (auto *MBB : reverse(PostOrder))
recomputeLivenessFlags(*MBB);
}
bool ARMLowOverheadLoops::RevertNonLoops() {

99
llvm/test/CodeGen/Thumb2/LowOverheadLoops/disjoint-vcmp.mir
View File

@ -1,8 +1,8 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve -run-pass=arm-low-overhead-loops --verify-machineinstrs %s -o - | FileCheck %s
#
--- |
@mask = external global i16
; Function Attrs: nofree norecurse nounwind
define dso_local void @test(i32* noalias nocapture %arg, i32* noalias nocapture readonly %arg1, i32 %arg2, i32* noalias nocapture readonly %arg3) local_unnamed_addr #0 {
bb:
%tmp = icmp eq i32 %arg2, 0
@ -16,8 +16,6 @@
%mask.load = load i16, i16* %mask.gep9
%conv.mask = zext i16 %mask.load to i32
%invariant.mask = call <4 x i1> @llvm.arm.mve.pred.i2v.v4i1(i32 %conv.mask)
%mask.insert = insertelement <4 x i32> undef, i32 %conv.mask, i32 0
%invariant.limits = shufflevector <4 x i32> %mask.insert, <4 x i32> undef, <4 x i32> zeroinitializer
br i1 %tmp, label %bb27, label %bb3
bb3: ; preds = %bb
@ -31,18 +29,20 @@
%lsr.iv = phi i32* [ %scevgep, %bb9 ], [ %arg, %bb3 ]
%tmp7 = phi i32 [ %tmp6, %bb3 ], [ %tmp12, %bb9 ]
%tmp8 = phi i32 [ %arg2, %bb3 ], [ %tmp11, %bb9 ]
%lsr.iv47 = bitcast i32* %lsr.iv4 to <4 x i32>*
%lsr.iv1 = bitcast i32* %lsr.iv to <4 x i32>*
%lsr.iv24 = bitcast i32* %lsr.iv2 to <4 x i32>*
%lsr.iv47 = bitcast i32* %lsr.iv4 to <4 x i32>*
%vctp = call <4 x i1> @llvm.arm.mve.vctp32(i32 %tmp8)
%and = and <4 x i1> %vctp, %invariant.mask
%tmp11 = sub i32 %tmp8, 4
%tmp17 = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %lsr.iv24, i32 4, <4 x i1> %and, <4 x i32> undef)
%tmp22 = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %lsr.iv1, i32 4, <4 x i1> %and, <4 x i32> undef)
%tmp23 = mul nsw <4 x i32> %tmp22, %tmp17
%scevgep8 = getelementptr <4 x i32>, <4 x i32>* %lsr.iv47, i32 1
%load.limits = load <4 x i32>, <4 x i32>* %scevgep8
%bad.icmp = icmp ule <4 x i32> %load.limits, %invariant.limits
%scevgep2 = getelementptr <4 x i32>, <4 x i32>* %lsr.iv47, i32 1
%load.limits = load <4 x i32>, <4 x i32>* %scevgep2
%0 = insertelement <4 x i32> undef, i32 %conv.mask, i32 0
%1 = shufflevector <4 x i32> %0, <4 x i32> undef, <4 x i32> zeroinitializer
%bad.icmp = icmp ule <4 x i32> %load.limits, %1
call void @llvm.masked.store.v4i32.p0v4i32(<4 x i32> %tmp23, <4 x i32>* %lsr.iv1, i32 4, <4 x i1> %bad.icmp)
%tmp12 = call i32 @llvm.loop.decrement.reg.i32.i32.i32(i32 %tmp7, i32 1)
%tmp13 = icmp ne i32 %tmp12, 0
@ -54,13 +54,12 @@
bb27: ; preds = %bb9, %bb
ret void
}
declare <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>*, i32 immarg, <4 x i1>, <4 x i32>) #1
declare void @llvm.masked.store.v4i32.p0v4i32(<4 x i32>, <4 x i32>*, i32 immarg, <4 x i1>) #2
declare void @llvm.set.loop.iterations.i32(i32) #3
declare i32 @llvm.loop.decrement.reg.i32.i32.i32(i32, i32) #3
declare <4 x i1> @llvm.arm.mve.vctp32(i32) #4
declare <4 x i1> @llvm.arm.mve.pred.i2v.v4i1(i32) #4
declare void @llvm.stackprotector(i8*, i8**) #5
declare <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>*, i32 immarg, <4 x i1>, <4 x i32>)
declare void @llvm.masked.store.v4i32.p0v4i32(<4 x i32>, <4 x i32>*, i32 immarg, <4 x i1>)
declare void @llvm.set.loop.iterations.i32(i32)
declare i32 @llvm.loop.decrement.reg.i32.i32.i32(i32, i32)
declare <4 x i1> @llvm.arm.mve.vctp32(i32)
declare <4 x i1> @llvm.arm.mve.pred.i2v.v4i1(i32)
...
---
@ -85,7 +84,7 @@ frameInfo:
hasStackMap: false
hasPatchPoint: false
stackSize: 20
offsetAdjustment: -12
offsetAdjustment: 0
maxAlignment: 4
adjustsStack: false
hasCalls: false
@ -110,7 +109,7 @@ stack:
stack-id: default, callee-saved-register: '$r7', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 3, name: '', type: spill-slot, offset: -12, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '$r6', callee-saved-restored: true,
stack-id: default, callee-saved-register: '$r5', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 4, name: '', type: spill-slot, offset: -16, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '$r4', callee-saved-restored: true,
@ -122,37 +121,36 @@ body: |
; CHECK-LABEL: name: test
; CHECK: bb.0.bb:
; CHECK: successors: %bb.3(0x30000000), %bb.1(0x50000000)
; CHECK: liveins: $r0, $r1, $r2, $r3, $r4, $r6, $lr
; CHECK: frame-setup tPUSH 14, $noreg, killed $r4, killed $r6, killed $lr, implicit-def $sp, implicit $sp
; CHECK: liveins: $r3, $r2, $r0, $r1, $r4, $r5, $r7, $lr
; CHECK: frame-setup tPUSH 14, $noreg, killed $r4, killed $r5, killed $r7, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -8
; CHECK: frame-setup CFI_INSTRUCTION offset $r6, -12
; CHECK: frame-setup CFI_INSTRUCTION offset $r5, -12
; CHECK: frame-setup CFI_INSTRUCTION offset $r4, -16
; CHECK: $r7 = frame-setup tADDrSPi $sp, 2, 14, $noreg
; CHECK: frame-setup CFI_INSTRUCTION def_cfa $r7, 8
; CHECK: $sp = frame-setup tSUBspi $sp, 1, 14, $noreg
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 20
; CHECK: tCBZ $r2, %bb.3
; CHECK: bb.1.bb3:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: liveins: $r0, $r1, $r2, $r3
; CHECK: liveins: $r3, $r2, $r0, $r1
; CHECK: $r12 = t2MOVi16 target-flags(arm-lo16) @mask, 14, $noreg
; CHECK: renamable $lr = t2ADDri renamable $r2, 3, 14, $noreg, $noreg
; CHECK: renamable $r4, dead $cpsr = tADDi3 renamable $r2, 3, 14, $noreg
; CHECK: $r12 = t2MOVTi16 killed $r12, target-flags(arm-hi16) @mask, 14, $noreg
; CHECK: renamable $lr = t2BICri killed renamable $lr, 3, 14, $noreg, $noreg
; CHECK: renamable $r12 = t2LDRHi12 killed renamable $r12, 0, 14, $noreg :: (dereferenceable load 2 from %ir.mask.gep9)
; CHECK: renamable $lr = t2SUBri killed renamable $lr, 4, 14, $noreg, $noreg
; CHECK: renamable $r4 = t2BICri killed renamable $r4, 3, 14, $noreg, $noreg
; CHECK: renamable $r5 = t2LDRHi12 killed renamable $r12, 0, 14, $noreg :: (dereferenceable load 2 from %ir.mask.gep9)
; CHECK: renamable $r12 = t2SUBri killed renamable $r4, 4, 14, $noreg, $noreg
; CHECK: renamable $r4, dead $cpsr = tMOVi8 1, 14, $noreg
; CHECK: $vpr = VMSR_P0 $r12, 14, $noreg
; CHECK: renamable $q0 = MVE_VDUP32 killed renamable $r12, 0, $noreg, undef renamable $q0
; CHECK: $vpr = VMSR_P0 $r5, 14, $noreg
; CHECK: renamable $lr = nuw nsw t2ADDrs killed renamable $r4, killed renamable $r12, 19, 14, $noreg, $noreg
; CHECK: renamable $r12 = t2SUBri killed renamable $r3, 16, 14, $noreg, $noreg
; CHECK: renamable $lr = nuw nsw t2ADDrs killed renamable $r4, killed renamable $lr, 19, 14, $noreg, $noreg
; CHECK: VSTR_P0_off killed renamable $vpr, $sp, 0, 14, $noreg :: (store 4 into %stack.0)
; CHECK: renamable $q0 = MVE_VDUP32 killed renamable $r5, 0, $noreg, undef renamable $q0
; CHECK: $r3 = tMOVr $r0, 14, $noreg
; CHECK: $lr = t2DLS renamable $lr
; CHECK: $lr = t2DLS killed renamable $lr
; CHECK: bb.2.bb9:
; CHECK: successors: %bb.2(0x7c000000), %bb.3(0x04000000)
; CHECK: liveins: $lr, $q0, $r0, $r1, $r2, $r3, $r12
; CHECK: liveins: $lr, $r2, $r12, $r0, $q0, $r1, $r3
; CHECK: renamable $vpr = VLDR_P0_off $sp, 0, 14, $noreg :: (load 4 from %stack.0)
; CHECK: MVE_VPST 2, implicit $vpr
; CHECK: renamable $vpr = MVE_VCTP32 renamable $r2, 1, killed renamable $vpr
@ -160,28 +158,26 @@ body: |
; CHECK: renamable $r3, renamable $q2 = MVE_VLDRWU32_post killed renamable $r3, 16, 1, killed renamable $vpr :: (load 16 from %ir.lsr.iv1, align 4)
; CHECK: renamable $r2, dead $cpsr = tSUBi8 killed renamable $r2, 4, 14, $noreg
; CHECK: renamable $q1 = nsw MVE_VMULi32 killed renamable $q2, killed renamable $q1, 0, $noreg, undef renamable $q1
; CHECK: renamable $r12, renamable $q2 = MVE_VLDRWU32_pre killed renamable $r12, 16, 0, $noreg :: (load 16 from %ir.scevgep8, align 8)
; CHECK: renamable $vpr = MVE_VCMPu32 renamable $q0, killed renamable $q2, 2, 0, $noreg
; CHECK: MVE_VPST 8, implicit $vpr
; CHECK: renamable $r12, renamable $q2 = MVE_VLDRWU32_pre killed renamable $r12, 16, 0, $noreg :: (load 16 from %ir.scevgep2, align 8)
; CHECK: MVE_VPTv4u32 8, renamable $q0, killed renamable $q2, 2, implicit-def $vpr
; CHECK: MVE_VSTRWU32 killed renamable $q1, killed renamable $r0, 0, 1, killed renamable $vpr :: (store 16 into %ir.lsr.iv1, align 4)
; CHECK: $r0 = tMOVr $r3, 14, $noreg
; CHECK: $lr = t2LEUpdate renamable $lr, %bb.2
; CHECK: $lr = t2LEUpdate killed renamable $lr, %bb.2
; CHECK: bb.3.bb27:
; CHECK: $sp = tADDspi $sp, 1, 14, $noreg
; CHECK: tPOP_RET 14, $noreg, def $r4, def $r6, def $r7, def $pc
; CHECK: tPOP_RET 14, $noreg, def $r4, def $r5, def $r7, def $pc
bb.0.bb:
successors: %bb.3(0x30000000), %bb.1(0x50000000)
liveins: $r0, $r1, $r2, $r3, $r4, $r6, $lr
liveins: $r0, $r1, $r2, $r3, $r4, $r5, $r7, $lr
frame-setup tPUSH 14, $noreg, killed $r4, killed $r6, killed $lr, implicit-def $sp, implicit $sp
frame-setup tPUSH 14, $noreg, killed $r4, killed $r5, killed $r7, killed $lr, implicit-def $sp, implicit $sp
frame-setup CFI_INSTRUCTION def_cfa_offset 16
frame-setup CFI_INSTRUCTION offset $lr, -4
frame-setup CFI_INSTRUCTION offset $r7, -8
frame-setup CFI_INSTRUCTION offset $r6, -12
frame-setup CFI_INSTRUCTION offset $r5, -12
frame-setup CFI_INSTRUCTION offset $r4, -16
$r7 = frame-setup tADDrSPi $sp, 2, 14, $noreg
frame-setup CFI_INSTRUCTION def_cfa $r7, 8
$sp = frame-setup tSUBspi $sp, 1, 14, $noreg
frame-setup CFI_INSTRUCTION def_cfa_offset 20
tCBZ $r2, %bb.3
bb.1.bb3:
@ -189,17 +185,17 @@ body: |
liveins: $r0, $r1, $r2, $r3
$r12 = t2MOVi16 target-flags(arm-lo16) @mask, 14, $noreg
renamable $lr = t2ADDri renamable $r2, 3, 14, $noreg, $noreg
renamable $r4, dead $cpsr = tADDi3 renamable $r2, 3, 14, $noreg
$r12 = t2MOVTi16 killed $r12, target-flags(arm-hi16) @mask, 14, $noreg
renamable $lr = t2BICri killed renamable $lr, 3, 14, $noreg, $noreg
renamable $r12 = t2LDRHi12 killed renamable $r12, 0, 14, $noreg :: (dereferenceable load 2 from %ir.mask.gep9)
renamable $lr = t2SUBri killed renamable $lr, 4, 14, $noreg, $noreg
renamable $r4 = t2BICri killed renamable $r4, 3, 14, $noreg, $noreg
renamable $r5 = t2LDRHi12 killed renamable $r12, 0, 14, $noreg :: (dereferenceable load 2 from %ir.mask.gep9)
renamable $r12 = t2SUBri killed renamable $r4, 4, 14, $noreg, $noreg
renamable $r4, dead $cpsr = tMOVi8 1, 14, $noreg
$vpr = VMSR_P0 $r12, 14, $noreg
renamable $q0 = MVE_VDUP32 killed renamable $r12, 0, $noreg, undef renamable $q0
$vpr = VMSR_P0 $r5, 14, $noreg
renamable $lr = nuw nsw t2ADDrs killed renamable $r4, killed renamable $r12, 19, 14, $noreg, $noreg
renamable $r12 = t2SUBri killed renamable $r3, 16, 14, $noreg, $noreg
renamable $lr = nuw nsw t2ADDrs killed renamable $r4, killed renamable $lr, 19, 14, $noreg, $noreg
VSTR_P0_off killed renamable $vpr, $sp, 0, 14, $noreg :: (store 4 into %stack.0)
renamable $q0 = MVE_VDUP32 killed renamable $r5, 0, $noreg, undef renamable $q0
$r3 = tMOVr $r0, 14, $noreg
t2DoLoopStart renamable $lr
@ -214,9 +210,8 @@ body: |
renamable $r3, renamable $q2 = MVE_VLDRWU32_post killed renamable $r3, 16, 1, killed renamable $vpr :: (load 16 from %ir.lsr.iv1, align 4)
renamable $r2, dead $cpsr = tSUBi8 killed renamable $r2, 4, 14, $noreg
renamable $q1 = nsw MVE_VMULi32 killed renamable $q2, killed renamable $q1, 0, $noreg, undef renamable $q1
renamable $r12, renamable $q2 = MVE_VLDRWU32_pre killed renamable $r12, 16, 0, $noreg :: (load 16 from %ir.scevgep8, align 8)
renamable $vpr = MVE_VCMPu32 renamable $q0, killed renamable $q2, 2, 0, $noreg
MVE_VPST 8, implicit $vpr
renamable $r12, renamable $q2 = MVE_VLDRWU32_pre killed renamable $r12, 16, 0, $noreg :: (load 16 from %ir.scevgep2, align 8)
MVE_VPTv4u32 8, renamable $q0, killed renamable $q2, 2, implicit-def $vpr
MVE_VSTRWU32 killed renamable $q1, killed renamable $r0, 0, 1, killed renamable $vpr :: (store 16 into %ir.lsr.iv1, align 4)
renamable $lr = t2LoopDec killed renamable $lr, 1
$r0 = tMOVr $r3, 14, $noreg
@ -225,6 +220,6 @@ body: |
bb.3.bb27:
$sp = tADDspi $sp, 1, 14, $noreg
tPOP_RET 14, $noreg, def $r4, def $r6, def $r7, def $pc
tPOP_RET 14, $noreg, def $r4, def $r5, def $r7, def $pc
...

2
llvm/test/CodeGen/Thumb2/LowOverheadLoops/dont-remove-loop-update.mir
View File

@ -6,7 +6,7 @@
# CHECK: bb.1.vector.body:
# CHECK: renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 4, 14, $noreg
# CHECK: renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 4, 14, $noreg
# CHECK: $lr = MVE_LETP renamable $lr, %bb.1
# CHECK: $lr = MVE_LETP killed renamable $lr, %bb.1
--- |
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"

4
llvm/test/CodeGen/Thumb2/LowOverheadLoops/dont-remove-loop-update2.mir
View File

@ -7,8 +7,8 @@
# We shouldn't optimise away the SUB.
# CHECK: bb.1.vector.body:
# CHECK: renamable $r3, $cpsr = tSUBi8 killed renamable $r3, 4, 14, $noreg
# CHECK: $lr = MVE_LETP renamable $lr, %bb.1
# CHECK: renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 4, 14, $noreg
# CHECK: $lr = MVE_LETP killed renamable $lr, %bb.1
--- |
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"

2
llvm/test/CodeGen/Thumb2/LowOverheadLoops/dont-remove-loop-update3.mir
View File

@ -8,7 +8,7 @@
# CHECK: bb.1.vector.body:
# CHECK: renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 4, 14, $noreg
# CHECK: $lr = MVE_LETP renamable $lr, %bb.1
# CHECK: $lr = MVE_LETP killed renamable $lr, %bb.1
--- |
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"

22
llvm/test/CodeGen/Thumb2/LowOverheadLoops/loop-guards.ll
View File

@ -18,9 +18,9 @@
; CHECK: t2CMPri renamable $lr, 0
; CHECK: tBcc %bb.3
; CHECK: bb.1.while.body.preheader:
; CHECK: $lr = t2DLS renamable $lr
; CHECK: $lr = t2DLS killed renamable $lr
; CHECK: bb.2.while.body:
; CHECK: $lr = t2LEUpdate renamable $lr, %bb.2
; CHECK: $lr = t2LEUpdate killed renamable $lr, %bb.2
define void @ne_and_guard(i1 zeroext %t1, i1 zeroext %t2, i32* nocapture %a, i32* nocapture readonly %b, i32 %N) {
entry:
%brmerge.demorgan = and i1 %t1, %t2
@ -51,9 +51,9 @@ if.end: ; preds = %while.body, %entry
; CHECK: t2CMPri renamable $lr, 0
; CHECK: tBcc %bb.3
; CHECK: bb.1.while.body.preheader:
; CHECK: $lr = t2DLS renamable $lr
; CHECK: $lr = t2DLS killed renamable $lr
; CHECK: bb.2.while.body:
; CHECK: $lr = t2LEUpdate renamable $lr, %bb.2
; CHECK: $lr = t2LEUpdate killed renamable $lr, %bb.2
define void @ne_preheader(i1 zeroext %t1, i1 zeroext %t2, i32* nocapture %a, i32* nocapture readonly %b, i32 %N) {
entry:
%brmerge.demorgan = and i1 %t1, %t2
@ -86,9 +86,9 @@ if.end: ; preds = %while.body, %while.
; CHECK: t2CMPri renamable $lr, 0
; CHECK: tBcc %bb.3
; CHECK: bb.1.while.body.preheader:
; CHECK: $lr = t2DLS renamable $lr
; CHECK: $lr = t2DLS killed renamable $lr
; CHECK: bb.2.while.body:
; CHECK: $lr = t2LEUpdate renamable $lr, %bb.2
; CHECK: $lr = t2LEUpdate killed renamable $lr, %bb.2
define void @eq_preheader(i1 zeroext %t1, i1 zeroext %t2, i32* nocapture %a, i32* nocapture readonly %b, i32 %N) {
entry:
%brmerge.demorgan = and i1 %t1, %t2
@ -121,9 +121,9 @@ if.end: ; preds = %while.body, %while.
; CHECK: t2CMPri renamable $lr, 0
; CHECK: tBcc %bb.3
; CHECK: bb.1.while.body.preheader:
; CHECK: $lr = t2DLS renamable $lr
; CHECK: $lr = t2DLS killed renamable $lr
; CHECK: bb.2.while.body:
; CHECK: $lr = t2LEUpdate renamable $lr, %bb.2
; CHECK: $lr = t2LEUpdate killed renamable $lr, %bb.2
define void @ne_prepreheader(i1 zeroext %t1, i1 zeroext %t2, i32* nocapture %a, i32* nocapture readonly %b, i32 %N) {
entry:
%cmp = icmp ne i32 %N, 0
@ -152,9 +152,9 @@ if.end: ; preds = %while.body, %while.
; CHECK: be_ne
; CHECK: body:
; CHECK: bb.0.entry:
; CHECK: $lr = t2DLS renamable $lr
; CHECK: $lr = t2DLS killed renamable $lr
; CHECK: bb.1.do.body:
; CHECK: $lr = t2LEUpdate renamable $lr, %bb.1
; CHECK: $lr = t2LEUpdate killed renamable $lr, %bb.1
define void @be_ne(i32* nocapture %a, i32* nocapture readonly %b, i32 %N) {
entry:
%cmp = icmp ne i32 %N, 0
@ -187,7 +187,7 @@ if.end: ; preds = %do.body, %entry
; CHECK: bb.1.do.body.preheader:
; CHECK: $lr = tMOVr
; CHECK: bb.2.do.body:
; CHECK: $lr = t2LEUpdate renamable $lr, %bb.2
; CHECK: $lr = t2LEUpdate killed renamable $lr, %bb.2
define void @ne_trip_count(i1 zeroext %t1, i32* nocapture %a, i32* nocapture readonly %b, i32 %N) {
entry:
br label %do.body.preheader

6
llvm/test/CodeGen/Thumb2/LowOverheadLoops/mov-lr-terminator.mir
View File

@ -100,7 +100,7 @@ body: |
; CHECK-LABEL: name: start_before_elems
; CHECK: bb.0.entry:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: $r0, $r1, $r2, $r3, $r4, $lr
; CHECK: liveins: $r1, $r0, $r2, $r3, $r4, $lr
; CHECK: frame-setup tPUSH 14, $noreg, killed $r4, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
@ -114,7 +114,7 @@ body: |
; CHECK: $lr = MVE_DLSTP_32 renamable $r12
; CHECK: bb.1.vector.body:
; CHECK: successors: %bb.1(0x7c000000), %bb.2(0x04000000)
; CHECK: liveins: $lr, $r0, $r1, $r2, $r3, $r12
; CHECK: liveins: $lr, $r0, $r12, $r2, $r3, $r1
; CHECK: renamable $r4, dead $cpsr = tADDrr renamable $r1, renamable $r3, 14, $noreg
; CHECK: renamable $q0 = MVE_VLDRBU32 killed renamable $r4, 0, 0, $noreg :: (load 4 from %ir.scevgep45, align 1)
; CHECK: renamable $r4, dead $cpsr = tADDrr renamable $r2, renamable $r3, 14, $noreg
@ -123,7 +123,7 @@ body: |
; CHECK: renamable $q1 = MVE_VLDRBU32 killed renamable $r4, 0, 0, $noreg :: (load 4 from %ir.scevgep23, align 1)
; CHECK: renamable $q0 = nuw nsw MVE_VMULi32 killed renamable $q1, killed renamable $q0, 0, $noreg, undef renamable $q0
; CHECK: renamable $r0 = MVE_VSTRWU32_post killed renamable $q0, killed renamable $r0, 16, 0, killed $noreg :: (store 16 into %ir.lsr.iv1, align 4)
; CHECK: $lr = MVE_LETP renamable $lr, %bb.1
; CHECK: $lr = MVE_LETP killed renamable $lr, %bb.1
; CHECK: bb.2.for.cond.cleanup:
; CHECK: tPOP_RET 14, $noreg, def $r4, def $pc
bb.0.entry:

6
llvm/test/CodeGen/Thumb2/LowOverheadLoops/move-def-before-start.mir
View File

@ -107,7 +107,7 @@ body: |
; CHECK-LABEL: name: start_before_elems
; CHECK: bb.0.entry:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: $r0, $r1, $r2, $r3, $r4, $lr
; CHECK: liveins: $r1, $r0, $r2, $r3, $r4, $lr
; CHECK: frame-setup tPUSH 14, $noreg, killed $r4, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
@ -122,7 +122,7 @@ body: |
; CHECK: renamable $r3, dead $cpsr = tMOVi8 0, 14, $noreg
; CHECK: bb.1.vector.body:
; CHECK: successors: %bb.1(0x7c000000), %bb.2(0x04000000)
; CHECK: liveins: $lr, $r0, $r1, $r2, $r3, $r12
; CHECK: liveins: $lr, $r0, $r12, $r2, $r3, $r1
; CHECK: renamable $r4, dead $cpsr = tADDrr renamable $r1, renamable $r3, 14, $noreg
; CHECK: renamable $q0 = MVE_VLDRBU32 killed renamable $r4, 0, 0, $noreg :: (load 4 from %ir.scevgep45, align 1)
; CHECK: renamable $r4, dead $cpsr = tADDrr renamable $r2, renamable $r3, 14, $noreg
@ -131,7 +131,7 @@ body: |
; CHECK: renamable $q1 = MVE_VLDRBU32 killed renamable $r4, 0, 0, $noreg :: (load 4 from %ir.scevgep23, align 1)
; CHECK: renamable $q0 = nuw nsw MVE_VMULi32 killed renamable $q1, killed renamable $q0, 0, $noreg, undef renamable $q0
; CHECK: renamable $r0 = MVE_VSTRWU32_post killed renamable $q0, killed renamable $r0, 16, 0, killed $noreg :: (store 16 into %ir.lsr.iv1, align 4)
; CHECK: $lr = MVE_LETP renamable $lr, %bb.1
; CHECK: $lr = MVE_LETP killed renamable $lr, %bb.1
; CHECK: bb.2.for.cond.cleanup:
; CHECK: tPOP_RET 14, $noreg, def $r4, def $pc
bb.0.entry:

6
llvm/test/CodeGen/Thumb2/LowOverheadLoops/move-start-after-def.mir
View File

@ -105,7 +105,7 @@ body: |
; CHECK-LABEL: name: start_before_elems
; CHECK: bb.0.entry:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: $r0, $r1, $r2, $r3, $r4, $lr
; CHECK: liveins: $r1, $r0, $r2, $r3, $r4, $lr
; CHECK: frame-setup tPUSH 14, $noreg, killed $r4, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
@ -120,7 +120,7 @@ body: |
; CHECK: $lr = MVE_DLSTP_32 renamable $r12
; CHECK: bb.1.vector.body:
; CHECK: successors: %bb.1(0x7c000000), %bb.2(0x04000000)
; CHECK: liveins: $lr, $r0, $r1, $r2, $r3, $r12
; CHECK: liveins: $lr, $r0, $r12, $r2, $r3, $r1
; CHECK: renamable $r4, dead $cpsr = tADDrr renamable $r1, renamable $r3, 14, $noreg
; CHECK: renamable $q0 = MVE_VLDRBU32 killed renamable $r4, 0, 0, $noreg :: (load 4 from %ir.scevgep45, align 1)
; CHECK: renamable $r4, dead $cpsr = tADDrr renamable $r2, renamable $r3, 14, $noreg
@ -129,7 +129,7 @@ body: |
; CHECK: renamable $q1 = MVE_VLDRBU32 killed renamable $r4, 0, 0, $noreg :: (load 4 from %ir.scevgep23, align 1)
; CHECK: renamable $q0 = nuw nsw MVE_VMULi32 killed renamable $q1, killed renamable $q0, 0, $noreg, undef renamable $q0
; CHECK: renamable $r0 = MVE_VSTRWU32_post killed renamable $q0, killed renamable $r0, 16, 0, killed $noreg :: (store 16 into %ir.lsr.iv1, align 4)
; CHECK: $lr = MVE_LETP renamable $lr, %bb.1
; CHECK: $lr = MVE_LETP killed renamable $lr, %bb.1
; CHECK: bb.2.for.cond.cleanup:
; CHECK: tPOP_RET 14, $noreg, def $r4, def $pc
bb.0.entry:

11
llvm/test/CodeGen/Thumb2/LowOverheadLoops/unsafe-cpsr-loop-use.mir
View File

@ -94,7 +94,7 @@ body: |
; CHECK-LABEL: name: do_copy
; CHECK: bb.0.entry:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: $r0, $r1, $r2, $r7, $lr
; CHECK: liveins: $r2, $r1, $r7, $lr
; CHECK: frame-setup tPUSH 14, $noreg, killed $r7, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
@ -102,18 +102,19 @@ body: |
; CHECK: renamable $r0, dead $cpsr = tSUBi3 killed renamable $r1, 4, 14, $noreg
; CHECK: renamable $r1, dead $cpsr = tSUBi3 killed renamable $r2, 4, 14, $noreg
; CHECK: renamable $r2 = t2LSRri renamable $r0, 1, 14, $noreg, $noreg
; CHECK: $lr = tMOVr killed $r0, 14, $noreg
; CHECK: $lr = tMOVr $r0, 14, $noreg
; CHECK: bb.1.while.body:
; CHECK: successors: %bb.1(0x7c000000), %bb.2(0x04000000)
; CHECK: liveins: $lr, $r0, $r1, $r2
; CHECK: liveins: $lr, $r0, $r2, $r1
; CHECK: renamable $r3, renamable $r1 = t2LDR_PRE killed renamable $r1, 4, 14, $noreg :: (load 4 from %ir.scevgep7)
; CHECK: tCMPhir renamable $lr, renamable $r2, 14, $noreg, implicit-def $cpsr
; CHECK: $lr = t2SUBri killed renamable $lr, 1, 14, $noreg, $noreg
; CHECK: t2IT 2, 8, implicit-def $itstate
; CHECK: renamable $r3 = tLSRri $noreg, killed renamable $r3, 1, 2, killed $cpsr, implicit renamable $r3, implicit killed $itstate
; CHECK: renamable $r3 = tLSRri $noreg, killed renamable $r3, 1, 2, killed $cpsr, implicit killed renamable $r3, implicit killed $itstate
; CHECK: early-clobber renamable $r0 = t2STR_PRE killed renamable $r3, killed renamable $r0, 4, 14, $noreg :: (store 4 into %ir.scevgep4)
; CHECK: renamable $lr = tMOVr killed $lr, 14, $noreg
; CHECK: t2CMPri $lr, 0, 14, $noreg, implicit-def $cpsr
; CHECK: tBcc %bb.1, 1, $cpsr
; CHECK: tBcc %bb.1, 1, killed $cpsr
; CHECK: tB %bb.2, 14, $noreg
; CHECK: bb.2.while.end:
; CHECK: $r0, dead $cpsr = tMOVi8 0, 14, $noreg

10
llvm/test/CodeGen/Thumb2/LowOverheadLoops/vctp-in-vpt-2.mir
View File

@ -134,7 +134,7 @@ body: |
; CHECK-LABEL: name: test
; CHECK: bb.0.bb:
; CHECK: successors: %bb.3(0x30000000), %bb.1(0x50000000)
; CHECK: liveins: $r0, $r1, $r2, $r3, $lr
; CHECK: liveins: $r1, $r2, $r0, $r3, $lr
; CHECK: frame-setup tPUSH 14, $noreg, $r7, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
@ -145,7 +145,7 @@ body: |
; CHECK: tCBZ $r2, %bb.3
; CHECK: bb.1.bb3:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: liveins: $r0, $r1, $r2, $r3
; CHECK: liveins: $r1, $r2, $r0, $r3
; CHECK: renamable $r12 = t2ADDri renamable $r2, 3, 14, $noreg, $noreg
; CHECK: renamable $lr = t2MOVi 1, 14, $noreg, $noreg
; CHECK: renamable $r12 = t2BICri killed renamable $r12, 3, 14, $noreg, $noreg
@ -154,10 +154,10 @@ body: |
; CHECK: VSTR_P0_off killed renamable $vpr, $sp, 0, 14, $noreg :: (store 4 into %stack.0)
; CHECK: $r3 = tMOVr $r0, 14, $noreg
; CHECK: renamable $lr = nuw nsw t2ADDrs killed renamable $lr, killed renamable $r12, 19, 14, $noreg, $noreg
; CHECK: $lr = t2DLS renamable $lr
; CHECK: $lr = t2DLS killed renamable $lr
; CHECK: bb.2.bb9:
; CHECK: successors: %bb.2(0x7c000000), %bb.3(0x04000000)
; CHECK: liveins: $lr, $r0, $r1, $r2, $r3
; CHECK: liveins: $lr, $r2, $r3, $r0, $r1
; CHECK: renamable $vpr = VLDR_P0_off $sp, 0, 14, $noreg :: (load 4 from %stack.0)
; CHECK: MVE_VPST 4, implicit $vpr
; CHECK: renamable $vpr = MVE_VCTP32 renamable $r2, 1, killed renamable $vpr
@ -171,7 +171,7 @@ body: |
; CHECK: MVE_VPST 8, implicit $vpr
; CHECK: MVE_VSTRWU32 killed renamable $q0, killed renamable $r0, 0, 1, killed renamable $vpr :: (store 16 into %ir.lsr.iv1, align 4, !tbaa !3)
; CHECK: $r0 = tMOVr $r3, 14, $noreg
; CHECK: $lr = t2LEUpdate renamable $lr, %bb.2
; CHECK: $lr = t2LEUpdate killed renamable $lr, %bb.2
; CHECK: bb.3.bb27:
; CHECK: $sp = tADDspi $sp, 1, 14, $noreg
; CHECK: tPOP_RET 14, $noreg, def $r7, def $pc

10
llvm/test/CodeGen/Thumb2/LowOverheadLoops/vctp-in-vpt.mir
View File

@ -131,7 +131,7 @@ body: |
; CHECK-LABEL: name: test
; CHECK: bb.0.bb:
; CHECK: successors: %bb.3(0x30000000), %bb.1(0x50000000)
; CHECK: liveins: $r0, $r1, $r2, $r3, $lr
; CHECK: liveins: $r0, $r2, $r1, $r3, $lr
; CHECK: frame-setup tPUSH 14, $noreg, $r7, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
@ -142,14 +142,14 @@ body: |
; CHECK: tCBZ $r2, %bb.3
; CHECK: bb.1.bb3:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: liveins: $r0, $r1, $r2, $r3
; CHECK: liveins: $r0, $r2, $r1, $r3
; CHECK: $vpr = VMSR_P0 killed $r3, 14, $noreg
; CHECK: VSTR_P0_off killed renamable $vpr, $sp, 0, 14, $noreg :: (store 4 into %stack.0)
; CHECK: $r3 = tMOVr $r0, 14, $noreg
; CHECK: $lr = MVE_DLSTP_32 renamable $r2
; CHECK: $lr = MVE_DLSTP_32 killed renamable $r2
; CHECK: bb.2.bb9:
; CHECK: successors: %bb.2(0x7c000000), %bb.3(0x04000000)
; CHECK: liveins: $lr, $r0, $r1, $r2, $r3
; CHECK: liveins: $lr, $r3, $r1, $r0
; CHECK: renamable $vpr = VLDR_P0_off $sp, 0, 14, $noreg :: (load 4 from %stack.0)
; CHECK: MVE_VPST 4, implicit $vpr
; CHECK: renamable $r1, renamable $q0 = MVE_VLDRWU32_post killed renamable $r1, 16, 1, renamable $vpr :: (load 16 from %ir.lsr.iv24, align 4, !tbaa !3)
@ -158,7 +158,7 @@ body: |
; CHECK: MVE_VPST 8, implicit $vpr
; CHECK: MVE_VSTRWU32 killed renamable $q0, killed renamable $r0, 0, 1, killed renamable $vpr :: (store 16 into %ir.lsr.iv1, align 4, !tbaa !3)
; CHECK: $r0 = tMOVr $r3, 14, $noreg
; CHECK: $lr = MVE_LETP renamable $lr, %bb.2
; CHECK: $lr = MVE_LETP killed renamable $lr, %bb.2
; CHECK: bb.3.bb27:
; CHECK: $sp = tADDspi $sp, 1, 14, $noreg
; CHECK: tPOP_RET 14, $noreg, def $r7, def $pc

9
llvm/test/CodeGen/Thumb2/LowOverheadLoops/while.mir
View File

@ -1,6 +1,5 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=thumbv8.1m.main -mattr=+lob %s -run-pass=arm-low-overhead-loops --verify-machineinstrs -o - | FileCheck %s
# TODO: Remove the lr = tMOVr
--- |
@ -91,15 +90,15 @@ body: |
; CHECK-LABEL: name: copy
; CHECK: bb.0.entry:
; CHECK: successors: %bb.1(0x40000000), %bb.3(0x40000000)
; CHECK: liveins: $r0, $r1, $r2, $r7, $lr
; CHECK: liveins: $r0, $r2, $r1, $r7, $lr
; CHECK: frame-setup tPUSH 14, $noreg, killed $r7, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -8
; CHECK: $lr = t2WLS $r2, %bb.3
; CHECK: dead $lr = t2WLS $r2, %bb.3
; CHECK: bb.1.while.body.preheader:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: liveins: $r0, $r1, $r2
; CHECK: liveins: $r0, $r2, $r1
; CHECK: renamable $r1, dead $cpsr = tSUBi8 killed renamable $r1, 2, 14, $noreg
; CHECK: renamable $r0, dead $cpsr = tSUBi8 killed renamable $r0, 2, 14, $noreg
; CHECK: $lr = tMOVr killed $r2, 14, $noreg
@ -108,7 +107,7 @@ body: |
; CHECK: liveins: $lr, $r0, $r1
; CHECK: renamable $r2, renamable $r1 = t2LDRH_PRE killed renamable $r1, 2, 14, $noreg :: (load 2 from %ir.scevgep4)
; CHECK: early-clobber renamable $r0 = t2STRH_PRE killed renamable $r2, killed renamable $r0, 2, 14, $noreg :: (store 2 into %ir.scevgep7)
; CHECK: $lr = t2LEUpdate renamable $lr, %bb.2
; CHECK: $lr = t2LEUpdate killed renamable $lr, %bb.2
; CHECK: bb.3.while.end:
; CHECK: tPOP_RET 14, $noreg, def $r7, def $pc
bb.0.entry:

24
llvm/test/CodeGen/Thumb2/LowOverheadLoops/wlstp.mir
View File

@ -199,11 +199,11 @@ body: |
; CHECK: tB %bb.3, 14, $noreg
; CHECK: bb.1.vector.ph:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: liveins: $lr, $r0, $r1, $r2, $r3
; CHECK: liveins: $lr, $r1, $r2, $r3, $r0
; CHECK: renamable $r12 = t2MOVi 0, 14, $noreg, $noreg
; CHECK: bb.2.vector.body:
; CHECK: successors: %bb.3(0x04000000), %bb.2(0x7c000000)
; CHECK: liveins: $lr, $r0, $r1, $r2, $r3, $r12
; CHECK: liveins: $lr, $r12, $r2, $r3, $r0, $r1
; CHECK: renamable $r4 = t2ADDrr renamable $r1, renamable $r12, 14, $noreg, $noreg
; CHECK: renamable $q0 = MVE_VLDRBU8 killed renamable $r4, 0, 0, $noreg :: (load 16 from %ir.scevgep45, align 1)
; CHECK: renamable $r4 = t2ADDrr renamable $r2, renamable $r12, 14, $noreg, $noreg
@ -213,7 +213,7 @@ body: |
; CHECK: renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 16, 14, $noreg
; CHECK: renamable $q0 = MVE_VMULi8 killed renamable $q1, killed renamable $q0, 0, $noreg, undef renamable $q0
; CHECK: MVE_VSTRBU8 killed renamable $q0, killed renamable $r4, 0, 0, killed $noreg :: (store 16 into %ir.scevgep1, align 1)
; CHECK: $lr = MVE_LETP renamable $lr, %bb.2
; CHECK: $lr = MVE_LETP killed renamable $lr, %bb.2
; CHECK: bb.3.for.cond.cleanup:
; CHECK: tPOP_RET 14, $noreg, def $r4, def $pc
bb.0.entry:
@ -313,7 +313,7 @@ body: |
; CHECK-LABEL: name: test_wlstp16
; CHECK: bb.0.entry:
; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; CHECK: liveins: $r0, $r1, $r2, $r3, $r7, $lr
; CHECK: liveins: $r1, $r3, $r0, $r2, $r7, $lr
; CHECK: frame-setup tPUSH 14, $noreg, killed $r7, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
@ -322,7 +322,7 @@ body: |
; CHECK: tB %bb.2, 14, $noreg
; CHECK: bb.1.vector.body:
; CHECK: successors: %bb.2(0x04000000), %bb.1(0x7c000000)
; CHECK: liveins: $lr, $r0, $r1, $r2, $r3
; CHECK: liveins: $lr, $r3, $r0, $r2, $r1
; CHECK: renamable $q0 = MVE_VLDRHU16 renamable $r1, 0, 0, $noreg :: (load 16 from %ir.lsr.iv57, align 2)
; CHECK: renamable $q1 = MVE_VLDRHU16 renamable $r2, 0, 0, $noreg :: (load 16 from %ir.lsr.iv24, align 2)
; CHECK: renamable $q0 = MVE_VMULi16 killed renamable $q1, killed renamable $q0, 0, $noreg, undef renamable $q0
@ -331,7 +331,7 @@ body: |
; CHECK: renamable $r2, dead $cpsr = tADDi8 killed renamable $r2, 16, 14, $noreg
; CHECK: renamable $r0, dead $cpsr = tADDi8 killed renamable $r0, 16, 14, $noreg
; CHECK: renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 8, 14, $noreg
; CHECK: $lr = MVE_LETP renamable $lr, %bb.1
; CHECK: $lr = MVE_LETP killed renamable $lr, %bb.1
; CHECK: bb.2.for.cond.cleanup:
; CHECK: tPOP_RET 14, $noreg, def $r7, def $pc
bb.0.entry:
@ -422,7 +422,7 @@ body: |
; CHECK-LABEL: name: test_wlstp32
; CHECK: bb.0.entry:
; CHECK: successors: %bb.4(0x40000000), %bb.1(0x40000000)
; CHECK: liveins: $r0, $r1, $r2, $r7, $lr
; CHECK: liveins: $r1, $r2, $r0, $r7, $lr
; CHECK: frame-setup tPUSH 14, $noreg, killed $r7, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
@ -432,12 +432,12 @@ body: |
; CHECK: tB %bb.4, 14, $noreg
; CHECK: bb.1.vector.ph:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: liveins: $lr, $r0, $r1, $r2
; CHECK: liveins: $r2, $r0, $lr, $r1
; CHECK: renamable $q1 = MVE_VMOVimmi32 0, 0, $noreg, undef renamable $q1
; CHECK: bb.2.vector.body:
; CHECK: successors: %bb.3(0x04000000), %bb.2(0x7c000000)
; CHECK: liveins: $lr, $q1, $r0, $r1, $r2
; CHECK: $q0 = MVE_VORR killed $q1, $q1, 0, $noreg, undef $q0
; CHECK: liveins: $r2, $r0, $lr, $r1, $q1
; CHECK: $q0 = MVE_VORR killed $q1, killed $q1, 0, $noreg, undef $q0
; CHECK: renamable $q1 = MVE_VLDRWU32 renamable $r0, 0, 0, $noreg :: (load 16 from %ir.lsr.iv24, align 4)
; CHECK: renamable $q2 = MVE_VLDRWU32 renamable $r1, 0, 0, killed $noreg :: (load 16 from %ir.lsr.iv1, align 4)
; CHECK: $r3 = tMOVr $r2, 14, $noreg
@ -446,10 +446,10 @@ body: |
; CHECK: renamable $r1, dead $cpsr = tADDi8 killed renamable $r1, 16, 14, $noreg
; CHECK: renamable $r2, dead $cpsr = tSUBi8 killed $r2, 4, 14, $noreg
; CHECK: renamable $q1 = nsw MVE_VADDi32 killed renamable $q1, renamable $q0, 0, $noreg, undef renamable $q1
; CHECK: $lr = MVE_LETP renamable $lr, %bb.2
; CHECK: $lr = MVE_LETP killed renamable $lr, %bb.2
; CHECK: bb.3.middle.block:
; CHECK: successors: %bb.4(0x80000000)
; CHECK: liveins: $q0, $q1, $r3
; CHECK: liveins: $q1, $q0, $r3
; CHECK: renamable $vpr = MVE_VCTP32 killed renamable $r3, 0, $noreg
; CHECK: renamable $q0 = MVE_VPSEL killed renamable $q1, killed renamable $q0, 0, killed renamable $vpr
; CHECK: renamable $r12 = MVE_VADDVu32no_acc killed renamable $q0, 0, $noreg