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GlobalISel: Support widening unmerge results with pointer source

This commit is contained in:
Matt Arsenault 2020-01-21 11:12:36 -05:00 committed by Matt Arsenault
parent 5c78d195eb
commit beb268fb8c
2 changed files with 284 additions and 25 deletions

View File

@ -85,11 +85,34 @@ static LLT getGCDType(LLT OrigTy, LLT TargetTy) {
}
static LLT getLCMType(LLT Ty0, LLT Ty1) {
assert(Ty0.isScalar() && Ty1.isScalar() && "not yet handled");
unsigned Mul = Ty0.getSizeInBits() * Ty1.getSizeInBits();
int GCDSize = greatestCommonDivisor(Ty0.getSizeInBits(),
Ty1.getSizeInBits());
return LLT::scalar(Mul / GCDSize);
if (!Ty0.isVector() && !Ty1.isVector()) {
unsigned Mul = Ty0.getSizeInBits() * Ty1.getSizeInBits();
int GCDSize = greatestCommonDivisor(Ty0.getSizeInBits(),
Ty1.getSizeInBits());
return LLT::scalar(Mul / GCDSize);
}
if (Ty0.isVector() && !Ty1.isVector()) {
assert(Ty0.getElementType() == Ty1 && "not yet handled");
return Ty0;
}
if (Ty1.isVector() && !Ty0.isVector()) {
assert(Ty1.getElementType() == Ty0 && "not yet handled");
return Ty1;
}
if (Ty0.isVector() && Ty1.isVector()) {
assert(Ty0.getElementType() == Ty1.getElementType() && "not yet handled");
int GCDElts = greatestCommonDivisor(Ty0.getNumElements(),
Ty1.getNumElements());
int Mul = Ty0.getNumElements() * Ty1.getNumElements();
return LLT::vector(Mul / GCDElts, Ty0.getElementType());
}
llvm_unreachable("not yet handled");
}
LegalizerHelper::LegalizerHelper(MachineFunction &MF,
@ -1399,7 +1422,7 @@ LegalizerHelper::widenScalarUnmergeValues(MachineInstr &MI, unsigned TypeIdx,
int NumDst = MI.getNumOperands() - 1;
Register SrcReg = MI.getOperand(NumDst).getReg();
LLT SrcTy = MRI.getType(SrcReg);
if (!SrcTy.isScalar())
if (SrcTy.isVector())
return UnableToLegalize;
Register Dst0Reg = MI.getOperand(0).getReg();
@ -1407,7 +1430,18 @@ LegalizerHelper::widenScalarUnmergeValues(MachineInstr &MI, unsigned TypeIdx,
if (!DstTy.isScalar())
return UnableToLegalize;
if (WideTy == SrcTy) {
if (WideTy.getSizeInBits() == SrcTy.getSizeInBits()) {
if (SrcTy.isPointer()) {
const DataLayout &DL = MIRBuilder.getDataLayout();
if (DL.isNonIntegralAddressSpace(SrcTy.getAddressSpace())) {
LLVM_DEBUG(dbgs() << "Not casting non-integral address space integer\n");
return UnableToLegalize;
}
SrcTy = LLT::scalar(SrcTy.getSizeInBits());
SrcReg = MIRBuilder.buildPtrToInt(SrcTy, SrcReg).getReg(0);
}
// Theres no unmerge type to target. Directly extract the bits from the
// source type
unsigned DstSize = DstTy.getSizeInBits();
@ -1431,8 +1465,16 @@ LegalizerHelper::widenScalarUnmergeValues(MachineInstr &MI, unsigned TypeIdx,
LLT LCMTy = getLCMType(SrcTy, WideTy);
Register WideSrc = SrcReg;
if (LCMTy != SrcTy)
if (LCMTy.getSizeInBits() != SrcTy.getSizeInBits()) {
// TODO: If this is an integral address space, cast to integer and anyext.
if (SrcTy.isPointer()) {
LLVM_DEBUG(dbgs() << "Widening pointer source types not implemented\n");
return UnableToLegalize;
}
WideSrc = MIRBuilder.buildAnyExt(LCMTy, WideSrc).getReg(0);
}
auto Unmerge = MIRBuilder.buildUnmerge(WideTy, WideSrc);
// Create a sequence of unmerges to the original results. since we may have

View File

@ -386,23 +386,43 @@ body: |
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: test_unmerge_s8_p1
; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
; CHECK: [[UV:%[0-9]+]]:_(s8), [[UV1:%[0-9]+]]:_(s8), [[UV2:%[0-9]+]]:_(s8), [[UV3:%[0-9]+]]:_(s8), [[UV4:%[0-9]+]]:_(s8), [[UV5:%[0-9]+]]:_(s8), [[UV6:%[0-9]+]]:_(s8), [[UV7:%[0-9]+]]:_(s8) = G_UNMERGE_VALUES [[COPY]](p1)
; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[UV]](s8)
; CHECK: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[UV1]](s8)
; CHECK: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[UV2]](s8)
; CHECK: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[UV3]](s8)
; CHECK: [[ANYEXT4:%[0-9]+]]:_(s32) = G_ANYEXT [[UV4]](s8)
; CHECK: [[ANYEXT5:%[0-9]+]]:_(s32) = G_ANYEXT [[UV5]](s8)
; CHECK: [[ANYEXT6:%[0-9]+]]:_(s32) = G_ANYEXT [[UV6]](s8)
; CHECK: [[ANYEXT7:%[0-9]+]]:_(s32) = G_ANYEXT [[UV7]](s8)
; CHECK: $vgpr0 = COPY [[ANYEXT]](s32)
; CHECK: $vgpr1 = COPY [[ANYEXT1]](s32)
; CHECK: $vgpr2 = COPY [[ANYEXT2]](s32)
; CHECK: $vgpr3 = COPY [[ANYEXT3]](s32)
; CHECK: $vgpr4 = COPY [[ANYEXT4]](s32)
; CHECK: $vgpr5 = COPY [[ANYEXT5]](s32)
; CHECK: $vgpr6 = COPY [[ANYEXT6]](s32)
; CHECK: $vgpr7 = COPY [[ANYEXT7]](s32)
; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](p1)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
; CHECK: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
; CHECK: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND]], [[COPY1]](s32)
; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C2]]
; CHECK: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND1]], [[COPY3]](s32)
; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
; CHECK: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C2]]
; CHECK: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[COPY5]](s32)
; CHECK: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
; CHECK: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C2]]
; CHECK: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[AND3]], [[C1]](s32)
; CHECK: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
; CHECK: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
; CHECK: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
; CHECK: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
; CHECK: [[COPY12:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
; CHECK: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
; CHECK: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
; CHECK: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
; CHECK: $vgpr0 = COPY [[COPY8]](s32)
; CHECK: $vgpr1 = COPY [[COPY9]](s32)
; CHECK: $vgpr2 = COPY [[COPY10]](s32)
; CHECK: $vgpr3 = COPY [[COPY11]](s32)
; CHECK: $vgpr4 = COPY [[COPY12]](s32)
; CHECK: $vgpr5 = COPY [[COPY13]](s32)
; CHECK: $vgpr6 = COPY [[COPY14]](s32)
; CHECK: $vgpr7 = COPY [[COPY15]](s32)
%0:_(p1) = COPY $vgpr0_vgpr1
%1:_(s8), %2:_(s8), %3:_(s8), %4:_(s8), %5:_(s8), %6:_(s8), %7:_(s8), %8:_(s8) = G_UNMERGE_VALUES %0
%10:_(s32) = G_ANYEXT %1
@ -423,6 +443,181 @@ body: |
$vgpr7 = COPY %17
...
---
name: test_unmerge_s4_p1
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: test_unmerge_s4_p1
; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](p1)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
; CHECK: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
; CHECK: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND]], [[COPY1]](s32)
; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[C3]](s32)
; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C2]]
; CHECK: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND1]], [[COPY3]](s32)
; CHECK: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[C4]](s32)
; CHECK: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C2]]
; CHECK: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[COPY5]](s32)
; CHECK: [[COPY7:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
; CHECK: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
; CHECK: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C2]]
; CHECK: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[AND3]], [[COPY7]](s32)
; CHECK: [[COPY9:%[0-9]+]]:_(s32) = COPY [[C3]](s32)
; CHECK: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
; CHECK: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C2]]
; CHECK: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[AND4]], [[COPY9]](s32)
; CHECK: [[COPY11:%[0-9]+]]:_(s32) = COPY [[C4]](s32)
; CHECK: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
; CHECK: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C2]]
; CHECK: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[AND5]], [[COPY11]](s32)
; CHECK: [[COPY13:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
; CHECK: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
; CHECK: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C2]]
; CHECK: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[AND6]], [[COPY13]](s32)
; CHECK: [[COPY15:%[0-9]+]]:_(s32) = COPY [[C3]](s32)
; CHECK: [[COPY16:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
; CHECK: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C2]]
; CHECK: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[AND7]], [[COPY15]](s32)
; CHECK: [[COPY17:%[0-9]+]]:_(s32) = COPY [[C4]](s32)
; CHECK: [[COPY18:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
; CHECK: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C2]]
; CHECK: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[AND8]], [[COPY17]](s32)
; CHECK: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
; CHECK: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C2]]
; CHECK: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[AND9]], [[C1]](s32)
; CHECK: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
; CHECK: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C2]]
; CHECK: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[AND10]], [[C3]](s32)
; CHECK: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
; CHECK: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C2]]
; CHECK: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[AND11]], [[C4]](s32)
; CHECK: [[COPY22:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
; CHECK: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
; CHECK: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
; CHECK: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
; CHECK: [[COPY26:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
; CHECK: [[COPY27:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
; CHECK: [[COPY28:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
; CHECK: [[COPY29:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
; CHECK: [[COPY30:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
; CHECK: [[COPY31:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
; CHECK: [[COPY32:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
; CHECK: [[COPY33:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
; CHECK: [[COPY34:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
; CHECK: [[COPY35:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
; CHECK: [[COPY36:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
; CHECK: [[COPY37:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
; CHECK: $vgpr0 = COPY [[COPY22]](s32)
; CHECK: $vgpr1 = COPY [[COPY23]](s32)
; CHECK: $vgpr2 = COPY [[COPY24]](s32)
; CHECK: $vgpr3 = COPY [[COPY25]](s32)
; CHECK: $vgpr4 = COPY [[COPY26]](s32)
; CHECK: $vgpr5 = COPY [[COPY27]](s32)
; CHECK: $vgpr6 = COPY [[COPY28]](s32)
; CHECK: $vgpr7 = COPY [[COPY29]](s32)
; CHECK: $vgpr8 = COPY [[COPY30]](s32)
; CHECK: $vgpr9 = COPY [[COPY31]](s32)
; CHECK: $vgpr10 = COPY [[COPY32]](s32)
; CHECK: $vgpr11 = COPY [[COPY33]](s32)
; CHECK: $vgpr12 = COPY [[COPY34]](s32)
; CHECK: $vgpr13 = COPY [[COPY35]](s32)
; CHECK: $vgpr14 = COPY [[COPY36]](s32)
; CHECK: $vgpr15 = COPY [[COPY37]](s32)
%0:_(p1) = COPY $vgpr0_vgpr1
%1:_(s4), %2:_(s4), %3:_(s4), %4:_(s4), %5:_(s4), %6:_(s4), %7:_(s4), %8:_(s4), %9:_(s4), %10:_(s4), %11:_(s4), %12:_(s4), %13:_(s4), %14:_(s4), %15:_(s4), %16:_(s4) = G_UNMERGE_VALUES %0
%17:_(s32) = G_ANYEXT %1
%18:_(s32) = G_ANYEXT %2
%19:_(s32) = G_ANYEXT %3
%20:_(s32) = G_ANYEXT %4
%21:_(s32) = G_ANYEXT %5
%22:_(s32) = G_ANYEXT %6
%23:_(s32) = G_ANYEXT %7
%24:_(s32) = G_ANYEXT %8
%25:_(s32) = G_ANYEXT %9
%26:_(s32) = G_ANYEXT %10
%27:_(s32) = G_ANYEXT %11
%28:_(s32) = G_ANYEXT %12
%29:_(s32) = G_ANYEXT %13
%30:_(s32) = G_ANYEXT %14
%31:_(s32) = G_ANYEXT %15
%32:_(s32) = G_ANYEXT %16
$vgpr0 = COPY %17
$vgpr1 = COPY %18
$vgpr2 = COPY %19
$vgpr3 = COPY %20
$vgpr4 = COPY %21
$vgpr5 = COPY %22
$vgpr6 = COPY %23
$vgpr7 = COPY %24
$vgpr8 = COPY %25
$vgpr9 = COPY %26
$vgpr10 = COPY %27
$vgpr11 = COPY %28
$vgpr12 = COPY %29
$vgpr13 = COPY %30
$vgpr14 = COPY %31
$vgpr15 = COPY %32
...
---
name: test_unmerge_s16_p1
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: test_unmerge_s16_p1
; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](p1)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
; CHECK: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
; CHECK: $vgpr0 = COPY [[COPY1]](s32)
; CHECK: $vgpr1 = COPY [[COPY2]](s32)
; CHECK: $vgpr2 = COPY [[COPY3]](s32)
; CHECK: $vgpr3 = COPY [[COPY4]](s32)
%0:_(p1) = COPY $vgpr0_vgpr1
%1:_(s16), %2:_(s16), %3:_(s16), %4:_(s16) = G_UNMERGE_VALUES %0
%5:_(s32) = G_ANYEXT %1
%6:_(s32) = G_ANYEXT %2
%7:_(s32) = G_ANYEXT %3
%8:_(s32) = G_ANYEXT %4
$vgpr0 = COPY %5
$vgpr1 = COPY %6
$vgpr2 = COPY %7
$vgpr3 = COPY %8
...
---
name: test_unmerge_s32_p1
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: test_unmerge_s32_p1
; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](p1)
; CHECK: $vgpr0 = COPY [[UV]](s32)
; CHECK: $vgpr1 = COPY [[UV1]](s32)
%0:_(p1) = COPY $vgpr0_vgpr1
%1:_(s32), %2:_(s32) = G_UNMERGE_VALUES %0
$vgpr0 = COPY %1
$vgpr1 = COPY %2
...
---
name: test_unmerge_s16_s32
body: |
@ -444,6 +639,28 @@ body: |
$vgpr1 = COPY %4
...
---
name: test_unmerge_s16_p3
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: test_unmerge_s16_p3
; CHECK: [[COPY:%[0-9]+]]:_(p3) = COPY $vgpr0
; CHECK: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[COPY]](p3)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C]](s32)
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[PTRTOINT]](s32)
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
; CHECK: $vgpr0 = COPY [[COPY1]](s32)
; CHECK: $vgpr1 = COPY [[COPY2]](s32)
%0:_(p3) = COPY $vgpr0
%1:_(s16), %2:_(s16) = G_UNMERGE_VALUES %0
%3:_(s32) = G_ANYEXT %1
%4:_(s32) = G_ANYEXT %2
$vgpr0 = COPY %3
$vgpr1 = COPY %4
...
---
name: test_unmerge_s16_s64
body: |