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298 lines
16 KiB
298 lines
16 KiB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve -run-pass=arm-low-overhead-loops %s -o - | FileCheck %s
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--- |
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define arm_aapcs_vfpcc void @test_vmvn(<4 x i32>* %a, <4 x i32>* %b, <4 x i32>* %c, i32 %elts, i32 %iters) #0 {
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entry:
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%cmp = icmp slt i32 %elts, 1
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br i1 %cmp, label %exit, label %loop.ph
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loop.ph: ; preds = %entry
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%start = call i32 @llvm.start.loop.iterations.i32(i32 %iters)
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br label %loop.body
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loop.body: ; preds = %loop.body, %loop.ph
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%lsr.iv = phi i32 [ %lsr.iv.next, %loop.body ], [ %start, %loop.ph ]
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%count = phi i32 [ %elts, %loop.ph ], [ %elts.rem, %loop.body ]
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%addr.a = phi <4 x i32>* [ %a, %loop.ph ], [ %addr.a.next, %loop.body ]
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%addr.b = phi <4 x i32>* [ %b, %loop.ph ], [ %addr.b.next, %loop.body ]
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%addr.c = phi <4 x i32>* [ %c, %loop.ph ], [ %addr.c.next, %loop.body ]
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%pred = call <4 x i1> @llvm.arm.mve.vctp32(i32 %count)
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%elts.rem = sub i32 %count, 4
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%masked.load.a = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %addr.a, i32 4, <4 x i1> %pred, <4 x i32> undef)
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%masked.load.b = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %addr.b, i32 4, <4 x i1> %pred, <4 x i32> undef)
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%not = xor <4 x i32> %masked.load.b, <i32 -1, i32 -1, i32 -1, i32 -1>
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%bitcast.a = bitcast <4 x i32> %masked.load.a to <8 x i16>
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%shrn = call <8 x i16> @llvm.arm.mve.vshrn.v8i16.v4i32(<8 x i16> %bitcast.a, <4 x i32> %not, i32 15, i32 1, i32 0, i32 0, i32 0, i32 0)
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%bitcast = bitcast <8 x i16> %shrn to <4 x i32>
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call void @llvm.masked.store.v4i32.p0v4i32(<4 x i32> %bitcast, <4 x i32>* %addr.c, i32 4, <4 x i1> %pred)
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%addr.a.next = getelementptr <4 x i32>, <4 x i32>* %addr.a, i32 1
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%addr.b.next = getelementptr <4 x i32>, <4 x i32>* %addr.b, i32 1
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%addr.c.next = getelementptr <4 x i32>, <4 x i32>* %addr.c, i32 1
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%loop.dec = call i32 @llvm.loop.decrement.reg.i32.i32.i32(i32 %lsr.iv, i32 1)
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%end = icmp ne i32 %loop.dec, 0
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%lsr.iv.next = add i32 %lsr.iv, -1
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br i1 %end, label %loop.body, label %exit
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exit: ; preds = %loop.body, %entry
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ret void
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}
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define arm_aapcs_vfpcc void @test_vorn(<4 x i32>* %a, <4 x i32>* %b, <4 x i32>* %c, i32 %elts, i32 %iters) #0 {
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entry:
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%cmp = icmp slt i32 %elts, 1
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br i1 %cmp, label %exit, label %loop.ph
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loop.ph: ; preds = %entry
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%start = call i32 @llvm.start.loop.iterations.i32(i32 %iters)
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br label %loop.body
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loop.body: ; preds = %loop.body, %loop.ph
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%lsr.iv = phi i32 [ %lsr.iv.next, %loop.body ], [ %start, %loop.ph ]
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%count = phi i32 [ %elts, %loop.ph ], [ %elts.rem, %loop.body ]
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%addr.a = phi <4 x i32>* [ %a, %loop.ph ], [ %addr.a.next, %loop.body ]
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%addr.b = phi <4 x i32>* [ %b, %loop.ph ], [ %addr.b.next, %loop.body ]
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%addr.c = phi <4 x i32>* [ %c, %loop.ph ], [ %addr.c.next, %loop.body ]
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%pred = call <4 x i1> @llvm.arm.mve.vctp32(i32 %count)
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%elts.rem = sub i32 %count, 4
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%masked.load.a = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %addr.a, i32 4, <4 x i1> %pred, <4 x i32> undef)
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%masked.load.b = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %addr.b, i32 4, <4 x i1> %pred, <4 x i32> undef)
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%not = xor <4 x i32> %masked.load.b, <i32 -1, i32 -1, i32 -1, i32 -1>
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%or = or <4 x i32> %not, %masked.load.a
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%bitcast.a = bitcast <4 x i32> %masked.load.a to <8 x i16>
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%shrn = call <8 x i16> @llvm.arm.mve.vshrn.v8i16.v4i32(<8 x i16> %bitcast.a, <4 x i32> %or, i32 3, i32 1, i32 0, i32 1, i32 0, i32 1)
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%bitcast = bitcast <8 x i16> %shrn to <4 x i32>
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call void @llvm.masked.store.v4i32.p0v4i32(<4 x i32> %bitcast, <4 x i32>* %addr.c, i32 4, <4 x i1> %pred)
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%addr.a.next = getelementptr <4 x i32>, <4 x i32>* %addr.a, i32 1
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%addr.b.next = getelementptr <4 x i32>, <4 x i32>* %addr.b, i32 1
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%addr.c.next = getelementptr <4 x i32>, <4 x i32>* %addr.c, i32 1
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%loop.dec = call i32 @llvm.loop.decrement.reg.i32.i32.i32(i32 %lsr.iv, i32 1)
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%end = icmp ne i32 %loop.dec, 0
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%lsr.iv.next = add i32 %lsr.iv, -1
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br i1 %end, label %loop.body, label %exit
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exit: ; preds = %loop.body, %entry
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ret void
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}
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declare i32 @llvm.start.loop.iterations.i32(i32)
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declare i32 @llvm.loop.decrement.reg.i32.i32.i32(i32, i32)
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declare <4 x i1> @llvm.arm.mve.vctp32(i32)
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declare <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>*, i32 immarg, <4 x i1>, <4 x i32>)
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declare void @llvm.masked.store.v4i32.p0v4i32(<4 x i32>, <4 x i32>*, i32 immarg, <4 x i1>)
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declare <8 x i16> @llvm.arm.mve.vshrn.v8i16.v4i32(<8 x i16>, <4 x i32>, i32, i32, i32, i32, i32, i32)
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...
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---
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name: test_vmvn
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alignment: 2
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tracksRegLiveness: true
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registers: []
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liveins:
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- { reg: '$r0', virtual-reg: '' }
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- { reg: '$r1', virtual-reg: '' }
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- { reg: '$r2', virtual-reg: '' }
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- { reg: '$r3', virtual-reg: '' }
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frameInfo:
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stackSize: 8
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offsetAdjustment: 0
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maxAlignment: 4
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fixedStack:
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- { id: 0, type: default, offset: 0, size: 4, alignment: 8, stack-id: default,
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isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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stack:
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- { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
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stack-id: default, callee-saved-register: '$lr', callee-saved-restored: false,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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- { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4,
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stack-id: default, callee-saved-register: '$r4', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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callSites: []
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constants: []
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machineFunctionInfo: {}
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body: |
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; CHECK-LABEL: name: test_vmvn
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; CHECK: bb.0.entry:
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; CHECK: successors: %bb.1(0x80000000)
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; CHECK: liveins: $lr, $r0, $r1, $r2, $r3, $r4
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; CHECK: frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $lr, implicit-def $sp, implicit $sp
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; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
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; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
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; CHECK: frame-setup CFI_INSTRUCTION offset $r4, -8
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; CHECK: tCMPi8 renamable $r3, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
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; CHECK: t2IT 11, 8, implicit-def $itstate
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; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r4, def $pc, implicit killed $itstate
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; CHECK: bb.1.loop.ph:
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; CHECK: successors: %bb.2(0x80000000)
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; CHECK: liveins: $r0, $r1, $r2, $r3
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; CHECK: renamable $r4 = tLDRspi $sp, 2, 14 /* CC::al */, $noreg :: (load 4 from %fixed-stack.0, align 8)
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; CHECK: dead $lr = t2DLS renamable $r4
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; CHECK: $r12 = tMOVr killed $r4, 14 /* CC::al */, $noreg
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; CHECK: bb.2.loop.body:
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; CHECK: successors: %bb.2(0x7c000000), %bb.3(0x04000000)
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; CHECK: liveins: $r0, $r1, $r2, $r3, $r12
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; CHECK: renamable $vpr = MVE_VCTP32 renamable $r3, 0, $noreg
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; CHECK: $lr = tMOVr $r12, 14 /* CC::al */, $noreg
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; CHECK: MVE_VPST 4, implicit $vpr
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; CHECK: renamable $r0, renamable $q0 = MVE_VLDRWU32_post killed renamable $r0, 16, 1, renamable $vpr :: (load 16 from %ir.addr.a, align 4)
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; CHECK: renamable $r1, renamable $q1 = MVE_VLDRWU32_post killed renamable $r1, 16, 1, renamable $vpr :: (load 16 from %ir.addr.b, align 4)
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; CHECK: renamable $r12 = t2SUBri killed $r12, 1, 14 /* CC::al */, $noreg, $noreg
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; CHECK: renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 4, 14 /* CC::al */, $noreg
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; CHECK: renamable $q1 = MVE_VMVN killed renamable $q1, 0, $noreg, undef renamable $q1
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; CHECK: renamable $q0 = MVE_VQSHRNbhs32 killed renamable $q0, killed renamable $q1, 15, 0, $noreg
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; CHECK: MVE_VPST 8, implicit $vpr
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; CHECK: renamable $r2 = MVE_VSTRWU32_post killed renamable $q0, killed renamable $r2, 16, 1, killed renamable $vpr :: (store 16 into %ir.addr.c, align 4)
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; CHECK: dead $lr = t2LEUpdate killed renamable $lr, %bb.2
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; CHECK: bb.3.exit:
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; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $pc
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bb.0.entry:
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successors: %bb.1(0x80000000)
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liveins: $r0, $r1, $r2, $r3, $r4, $lr
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frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $lr, implicit-def $sp, implicit $sp
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frame-setup CFI_INSTRUCTION def_cfa_offset 8
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frame-setup CFI_INSTRUCTION offset $lr, -4
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frame-setup CFI_INSTRUCTION offset $r4, -8
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tCMPi8 renamable $r3, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
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t2IT 11, 8, implicit-def $itstate
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frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r4, def $pc, implicit killed $itstate
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bb.1.loop.ph:
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successors: %bb.2(0x80000000)
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liveins: $r0, $r1, $r2, $r3, $r4, $lr
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renamable $r4 = tLDRspi $sp, 2, 14 /* CC::al */, $noreg :: (load 4 from %fixed-stack.0, align 8)
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$lr = t2DoLoopStart renamable $r4
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$r12 = tMOVr killed $r4, 14 /* CC::al */, $noreg
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bb.2.loop.body:
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successors: %bb.2(0x7c000000), %bb.3(0x04000000)
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liveins: $r0, $r1, $r2, $r3, $r12
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renamable $vpr = MVE_VCTP32 renamable $r3, 0, $noreg
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$lr = tMOVr $r12, 14 /* CC::al */, $noreg
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MVE_VPST 4, implicit $vpr
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renamable $r0, renamable $q0 = MVE_VLDRWU32_post killed renamable $r0, 16, 1, renamable $vpr :: (load 16 from %ir.addr.a, align 4)
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renamable $r1, renamable $q1 = MVE_VLDRWU32_post killed renamable $r1, 16, 1, renamable $vpr :: (load 16 from %ir.addr.b, align 4)
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renamable $r12 = t2SUBri killed $r12, 1, 14 /* CC::al */, $noreg, $noreg
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renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 4, 14 /* CC::al */, $noreg
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renamable $q1 = MVE_VMVN killed renamable $q1, 0, $noreg, undef renamable $q1
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renamable $lr = t2LoopDec killed renamable $lr, 1
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renamable $q0 = MVE_VQSHRNbhs32 killed renamable $q0, killed renamable $q1, 15, 0, $noreg
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MVE_VPST 8, implicit $vpr
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renamable $r2 = MVE_VSTRWU32_post killed renamable $q0, killed renamable $r2, 16, 1, killed renamable $vpr :: (store 16 into %ir.addr.c, align 4)
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t2LoopEnd killed renamable $lr, %bb.2, implicit-def dead $cpsr
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tB %bb.3, 14 /* CC::al */, $noreg
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bb.3.exit:
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frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $pc
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...
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---
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name: test_vorn
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alignment: 2
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tracksRegLiveness: true
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registers: []
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liveins:
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- { reg: '$r0', virtual-reg: '' }
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- { reg: '$r1', virtual-reg: '' }
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- { reg: '$r2', virtual-reg: '' }
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- { reg: '$r3', virtual-reg: '' }
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frameInfo:
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stackSize: 8
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offsetAdjustment: 0
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maxAlignment: 4
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fixedStack:
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- { id: 0, type: default, offset: 0, size: 4, alignment: 8, stack-id: default,
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isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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stack:
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- { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
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stack-id: default, callee-saved-register: '$lr', callee-saved-restored: false,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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- { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4,
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stack-id: default, callee-saved-register: '$r4', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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callSites: []
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constants: []
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machineFunctionInfo: {}
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body: |
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; CHECK-LABEL: name: test_vorn
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; CHECK: bb.0.entry:
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; CHECK: successors: %bb.1(0x80000000)
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; CHECK: liveins: $lr, $r0, $r1, $r2, $r3, $r4
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; CHECK: frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $lr, implicit-def $sp, implicit $sp
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; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
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; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
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; CHECK: frame-setup CFI_INSTRUCTION offset $r4, -8
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; CHECK: tCMPi8 renamable $r3, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
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; CHECK: t2IT 11, 8, implicit-def $itstate
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; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r4, def $pc, implicit killed $itstate
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; CHECK: bb.1.loop.ph:
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; CHECK: successors: %bb.2(0x80000000)
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; CHECK: liveins: $r0, $r1, $r2, $r3
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; CHECK: renamable $r4 = tLDRspi $sp, 2, 14 /* CC::al */, $noreg :: (load 4 from %fixed-stack.0, align 8)
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; CHECK: dead $lr = t2DLS renamable $r4
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; CHECK: $r12 = tMOVr killed $r4, 14 /* CC::al */, $noreg
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; CHECK: bb.2.loop.body:
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; CHECK: successors: %bb.2(0x7c000000), %bb.3(0x04000000)
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; CHECK: liveins: $r0, $r1, $r2, $r3, $r12
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; CHECK: renamable $vpr = MVE_VCTP32 renamable $r3, 0, $noreg
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; CHECK: MVE_VPST 4, implicit $vpr
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; CHECK: renamable $r1, renamable $q0 = MVE_VLDRWU32_post killed renamable $r1, 16, 1, renamable $vpr :: (load 16 from %ir.addr.b, align 4)
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; CHECK: renamable $r0, renamable $q1 = MVE_VLDRWU32_post killed renamable $r0, 16, 1, renamable $vpr :: (load 16 from %ir.addr.a, align 4)
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; CHECK: $lr = tMOVr $r12, 14 /* CC::al */, $noreg
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; CHECK: renamable $r12 = t2SUBri killed $r12, 1, 14 /* CC::al */, $noreg, $noreg
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; CHECK: renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 4, 14 /* CC::al */, $noreg
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; CHECK: renamable $q0 = MVE_VORN renamable $q1, killed renamable $q0, 0, $noreg, undef renamable $q0
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; CHECK: renamable $q1 = MVE_VQSHRUNs32th killed renamable $q1, killed renamable $q0, 3, 0, $noreg
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; CHECK: MVE_VPST 8, implicit $vpr
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; CHECK: renamable $r2 = MVE_VSTRWU32_post killed renamable $q1, killed renamable $r2, 16, 1, killed renamable $vpr :: (store 16 into %ir.addr.c, align 4)
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; CHECK: dead $lr = t2LEUpdate killed renamable $lr, %bb.2
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; CHECK: bb.3.exit:
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; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $pc
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bb.0.entry:
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successors: %bb.1(0x80000000)
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liveins: $r0, $r1, $r2, $r3, $r4, $lr
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frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $lr, implicit-def $sp, implicit $sp
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frame-setup CFI_INSTRUCTION def_cfa_offset 8
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frame-setup CFI_INSTRUCTION offset $lr, -4
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frame-setup CFI_INSTRUCTION offset $r4, -8
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tCMPi8 renamable $r3, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
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t2IT 11, 8, implicit-def $itstate
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frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r4, def $pc, implicit killed $itstate
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bb.1.loop.ph:
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successors: %bb.2(0x80000000)
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liveins: $r0, $r1, $r2, $r3, $r4, $lr
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renamable $r4 = tLDRspi $sp, 2, 14 /* CC::al */, $noreg :: (load 4 from %fixed-stack.0, align 8)
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$lr = t2DoLoopStart renamable $r4
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$r12 = tMOVr killed $r4, 14 /* CC::al */, $noreg
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bb.2.loop.body:
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successors: %bb.2(0x7c000000), %bb.3(0x04000000)
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liveins: $r0, $r1, $r2, $r3, $r12
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renamable $vpr = MVE_VCTP32 renamable $r3, 0, $noreg
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MVE_VPST 4, implicit $vpr
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renamable $r1, renamable $q0 = MVE_VLDRWU32_post killed renamable $r1, 16, 1, renamable $vpr :: (load 16 from %ir.addr.b, align 4)
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renamable $r0, renamable $q1 = MVE_VLDRWU32_post killed renamable $r0, 16, 1, renamable $vpr :: (load 16 from %ir.addr.a, align 4)
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$lr = tMOVr $r12, 14 /* CC::al */, $noreg
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renamable $r12 = t2SUBri killed $r12, 1, 14 /* CC::al */, $noreg, $noreg
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renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 4, 14 /* CC::al */, $noreg
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renamable $q0 = MVE_VORN renamable $q1, killed renamable $q0, 0, $noreg, undef renamable $q0
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renamable $lr = t2LoopDec killed renamable $lr, 1
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renamable $q1 = MVE_VQSHRUNs32th killed renamable $q1, killed renamable $q0, 3, 0, $noreg
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MVE_VPST 8, implicit $vpr
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renamable $r2 = MVE_VSTRWU32_post killed renamable $q1, killed renamable $r2, 16, 1, killed renamable $vpr :: (store 16 into %ir.addr.c, align 4)
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t2LoopEnd killed renamable $lr, %bb.2, implicit-def dead $cpsr
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tB %bb.3, 14 /* CC::al */, $noreg
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bb.3.exit:
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frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $pc
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...
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