mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 11:42:57 +01:00
Revert r314928 to investigate thinLTO bootstrap failure
llvm-svn: 314961
This commit is contained in:
Xinliang David Li
parent
6515aa7ae4
commit
9b1601a096
@ -670,10 +670,6 @@ private:
|
||||
Instruction *FoldPHIArgGEPIntoPHI(PHINode &PN);
|
||||
Instruction *FoldPHIArgLoadIntoPHI(PHINode &PN);
|
||||
Instruction *FoldPHIArgZextsIntoPHI(PHINode &PN);
|
||||
/// If an integer typed PHI has only one use which is an IntToPtr operation,
|
||||
/// replace the PHI with an existing pointer typed PHI if it exists. Otherwise
|
||||
/// insert a new pointer typed PHI and replace the original one.
|
||||
Instruction *FoldIntegerTypedPHI(PHINode &PN);
|
||||
|
||||
/// Helper function for FoldPHIArgXIntoPHI() to set debug location for the
|
||||
/// folded operation.
|
||||
|
||||
@ -40,233 +40,6 @@ void InstCombiner::PHIArgMergedDebugLoc(Instruction *Inst, PHINode &PN) {
|
||||
}
|
||||
}
|
||||
|
||||
// Replace Integer typed PHI PN if the PHI's value is used as a pointer value.
|
||||
// If there is an existing pointer typed PHI that produces the same value as PN,
|
||||
// replace PN and the IntToPtr operation with it. Otherwise, synthesize a new
|
||||
// PHI node:
|
||||
//
|
||||
// Case-1:
|
||||
// bb1:
|
||||
// int_init = PtrToInt(ptr_init)
|
||||
// br label %bb2
|
||||
// bb2:
|
||||
// int_val = PHI([int_init, %bb1], [int_val_inc, %bb2]
|
||||
// ptr_val = PHI([ptr_init, %bb1], [ptr_val_inc, %bb2]
|
||||
// ptr_val2 = IntToPtr(int_val)
|
||||
// ...
|
||||
// use(ptr_val2)
|
||||
// ptr_val_inc = ...
|
||||
// inc_val_inc = PtrToInt(ptr_val_inc)
|
||||
//
|
||||
// ==>
|
||||
// bb1:
|
||||
// br label %bb2
|
||||
// bb2:
|
||||
// ptr_val = PHI([ptr_init, %bb1], [ptr_val_inc, %bb2]
|
||||
// ...
|
||||
// use(ptr_val)
|
||||
// ptr_val_inc = ...
|
||||
//
|
||||
// Case-2:
|
||||
// bb1:
|
||||
// int_ptr = BitCast(ptr_ptr)
|
||||
// int_init = Load(int_ptr)
|
||||
// br label %bb2
|
||||
// bb2:
|
||||
// int_val = PHI([int_init, %bb1], [int_val_inc, %bb2]
|
||||
// ptr_val2 = IntToPtr(int_val)
|
||||
// ...
|
||||
// use(ptr_val2)
|
||||
// ptr_val_inc = ...
|
||||
// inc_val_inc = PtrToInt(ptr_val_inc)
|
||||
// ==>
|
||||
// bb1:
|
||||
// ptr_init = Load(ptr_ptr)
|
||||
// br label %bb2
|
||||
// bb2:
|
||||
// ptr_val = PHI([ptr_init, %bb1], [ptr_val_inc, %bb2]
|
||||
// ...
|
||||
// use(ptr_val)
|
||||
// ptr_val_inc = ...
|
||||
// ...
|
||||
//
|
||||
Instruction *InstCombiner::FoldIntegerTypedPHI(PHINode &PN) {
|
||||
if (!PN.getType()->isIntegerTy())
|
||||
return nullptr;
|
||||
if (!PN.hasOneUse())
|
||||
return nullptr;
|
||||
|
||||
auto *IntToPtr = dyn_cast<IntToPtrInst>(PN.user_back());
|
||||
if (!IntToPtr)
|
||||
return nullptr;
|
||||
|
||||
// Check if the pointer is actually used as pointer:
|
||||
auto HasPointerUse = [](Instruction *IIP) {
|
||||
for (User *U : IIP->users()) {
|
||||
Value *Ptr = nullptr;
|
||||
if (LoadInst *LoadI = dyn_cast<LoadInst>(U)) {
|
||||
Ptr = LoadI->getPointerOperand();
|
||||
} else if (StoreInst *SI = dyn_cast<StoreInst>(U)) {
|
||||
Ptr = SI->getPointerOperand();
|
||||
} else if (GetElementPtrInst *GI = dyn_cast<GetElementPtrInst>(U)) {
|
||||
Ptr = GI->getPointerOperand();
|
||||
}
|
||||
|
||||
if (Ptr && Ptr == IIP)
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
};
|
||||
|
||||
if (!HasPointerUse(IntToPtr))
|
||||
return nullptr;
|
||||
|
||||
if (DL.getPointerSizeInBits(IntToPtr->getAddressSpace()) !=
|
||||
DL.getTypeSizeInBits(IntToPtr->getOperand(0)->getType()))
|
||||
return nullptr;
|
||||
|
||||
SmallVector<Value *, 4> AvailablePtrVals;
|
||||
for (unsigned i = 0; i != PN.getNumIncomingValues(); ++i) {
|
||||
Value *Arg = PN.getIncomingValue(i);
|
||||
|
||||
// First look backward:
|
||||
if (auto *PI = dyn_cast<PtrToIntInst>(Arg)) {
|
||||
AvailablePtrVals.emplace_back(PI->getOperand(0));
|
||||
continue;
|
||||
}
|
||||
|
||||
// Next look forward:
|
||||
Value *ArgIntToPtr = nullptr;
|
||||
for (User *U : Arg->users()) {
|
||||
if (isa<IntToPtrInst>(U) && U->getType() == IntToPtr->getType() &&
|
||||
(DT.dominates(cast<Instruction>(U), PN.getIncomingBlock(i)) ||
|
||||
cast<Instruction>(U)->getParent() == PN.getIncomingBlock(i))) {
|
||||
ArgIntToPtr = U;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (ArgIntToPtr) {
|
||||
AvailablePtrVals.emplace_back(ArgIntToPtr);
|
||||
continue;
|
||||
}
|
||||
|
||||
// If Arg is defined by a PHI, allow it. This will also create
|
||||
// more opportunities iteratively.
|
||||
if (isa<PHINode>(Arg)) {
|
||||
AvailablePtrVals.emplace_back(Arg);
|
||||
continue;
|
||||
}
|
||||
|
||||
// For a single use integer load:
|
||||
auto *LoadI = dyn_cast<LoadInst>(Arg);
|
||||
if (!LoadI)
|
||||
return nullptr;
|
||||
|
||||
if (!LoadI->hasOneUse())
|
||||
return nullptr;
|
||||
|
||||
// Push the integer typed Load instruction into the available
|
||||
// value set, and fix it up later when the pointer typed PHI
|
||||
// is synthesized.
|
||||
AvailablePtrVals.emplace_back(LoadI);
|
||||
}
|
||||
|
||||
// Now search for a matching PHI
|
||||
auto *BB = PN.getParent();
|
||||
assert(AvailablePtrVals.size() == PN.getNumIncomingValues() &&
|
||||
"Not enough available ptr typed incoming values");
|
||||
PHINode *MatchingPtrPHI = nullptr;
|
||||
for (auto II = BB->begin(), EI = BasicBlock::iterator(BB->getFirstNonPHI());
|
||||
II != EI; II++) {
|
||||
PHINode *PtrPHI = dyn_cast<PHINode>(II);
|
||||
if (!PtrPHI || PtrPHI == &PN || PtrPHI->getType() != IntToPtr->getType())
|
||||
continue;
|
||||
MatchingPtrPHI = PtrPHI;
|
||||
for (unsigned i = 0; i != PtrPHI->getNumIncomingValues(); ++i) {
|
||||
if (AvailablePtrVals[i] != PtrPHI->getIncomingValue(i)) {
|
||||
MatchingPtrPHI = nullptr;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (MatchingPtrPHI)
|
||||
break;
|
||||
}
|
||||
|
||||
if (MatchingPtrPHI) {
|
||||
assert(MatchingPtrPHI->getType() == IntToPtr->getType() &&
|
||||
"Phi's Type does not match with IntToPtr");
|
||||
// The PtrToCast + IntToPtr will be simplified later
|
||||
return CastInst::CreateBitOrPointerCast(MatchingPtrPHI,
|
||||
IntToPtr->getOperand(0)->getType());
|
||||
}
|
||||
|
||||
// If it requires a conversion for every PHI operand, do not do it.
|
||||
if (std::all_of(AvailablePtrVals.begin(), AvailablePtrVals.end(),
|
||||
[&](Value *V) {
|
||||
return (V->getType() != IntToPtr->getType()) ||
|
||||
isa<IntToPtrInst>(V);
|
||||
}))
|
||||
return nullptr;
|
||||
|
||||
// If any of the operand that requires casting is a terminator
|
||||
// instruction, do not do it.
|
||||
if (std::any_of(AvailablePtrVals.begin(), AvailablePtrVals.end(),
|
||||
[&](Value *V) {
|
||||
return (V->getType() != IntToPtr->getType()) &&
|
||||
isa<TerminatorInst>(V);
|
||||
}))
|
||||
return nullptr;
|
||||
|
||||
PHINode *NewPtrPHI = PHINode::Create(
|
||||
IntToPtr->getType(), PN.getNumIncomingValues(), PN.getName() + ".ptr");
|
||||
|
||||
InsertNewInstBefore(NewPtrPHI, PN);
|
||||
for (unsigned i = 0; i != PN.getNumIncomingValues(); ++i) {
|
||||
auto *IncomingBB = PN.getIncomingBlock(i);
|
||||
auto *IncomingVal = AvailablePtrVals[i];
|
||||
|
||||
if (IncomingVal->getType() == IntToPtr->getType()) {
|
||||
NewPtrPHI->addIncoming(IncomingVal, IncomingBB);
|
||||
continue;
|
||||
}
|
||||
|
||||
#ifndef NDEBUG
|
||||
LoadInst *LoadI = dyn_cast<LoadInst>(IncomingVal);
|
||||
assert((isa<PHINode>(IncomingVal) ||
|
||||
IncomingVal->getType()->isPointerTy() ||
|
||||
(LoadI && LoadI->hasOneUse())) &&
|
||||
"Can not replace LoadInst with multiple uses");
|
||||
#endif
|
||||
// Need to insert a BitCast.
|
||||
// For an integer Load instruction with a single use, the load + IntToPtr
|
||||
// cast will be simplified into a pointer load:
|
||||
// %v = load i64, i64* %a.ip, align 8
|
||||
// %v.cast = inttoptr i64 %v to float **
|
||||
// ==>
|
||||
// %v.ptrp = bitcast i64 * %a.ip to float **
|
||||
// %v.cast = load float *, float ** %v.ptrp, align 8
|
||||
auto *CI = CastInst::CreateBitOrPointerCast(
|
||||
IncomingVal, IntToPtr->getType(), IncomingVal->getName() + ".ptr");
|
||||
if (auto *IncomingI = dyn_cast<Instruction>(IncomingVal)) {
|
||||
BasicBlock::iterator InsertPos(IncomingI);
|
||||
InsertPos++;
|
||||
if (isa<PHINode>(IncomingI))
|
||||
InsertPos = IncomingI->getParent()->getFirstInsertionPt();
|
||||
InsertNewInstBefore(CI, *InsertPos);
|
||||
} else {
|
||||
auto *InsertBB = &IncomingBB->getParent()->getEntryBlock();
|
||||
InsertNewInstBefore(CI, *InsertBB->getFirstInsertionPt());
|
||||
}
|
||||
NewPtrPHI->addIncoming(CI, IncomingBB);
|
||||
}
|
||||
|
||||
// The PtrToCast + IntToPtr will be simplified later
|
||||
return CastInst::CreateBitOrPointerCast(NewPtrPHI,
|
||||
IntToPtr->getOperand(0)->getType());
|
||||
}
|
||||
|
||||
/// If we have something like phi [add (a,b), add(a,c)] and if a/b/c and the
|
||||
/// adds all have a single use, turn this into a phi and a single binop.
|
||||
Instruction *InstCombiner::FoldPHIArgBinOpIntoPHI(PHINode &PN) {
|
||||
@ -1130,9 +903,6 @@ Instruction *InstCombiner::visitPHINode(PHINode &PN) {
|
||||
// this PHI only has a single use (a PHI), and if that PHI only has one use (a
|
||||
// PHI)... break the cycle.
|
||||
if (PN.hasOneUse()) {
|
||||
if (Instruction *Result = FoldIntegerTypedPHI(PN))
|
||||
return Result;
|
||||
|
||||
Instruction *PHIUser = cast<Instruction>(PN.user_back());
|
||||
if (PHINode *PU = dyn_cast<PHINode>(PHIUser)) {
|
||||
SmallPtrSet<PHINode*, 16> PotentiallyDeadPHIs;
|
||||
|
||||
@ -1,181 +0,0 @@
|
||||
; RUN: opt < %s -instcombine -S | FileCheck %s
|
||||
|
||||
|
||||
define void @test1(float* %a, float* readnone %a_end, i64* %b.i64) {
|
||||
; CHECK-LABEL: @test1
|
||||
entry:
|
||||
%cmp1 = icmp ult float* %a, %a_end
|
||||
br i1 %cmp1, label %for.body.preheader, label %for.end
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
%b = load i64, i64* %b.i64, align 8
|
||||
; CHECK: load float*, float**
|
||||
br label %for.body
|
||||
|
||||
for.body: ; preds = %for.body, %for.body.preheader
|
||||
%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
%b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ]
|
||||
|
||||
; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
; CHECK: %b.addr.02.ptr = phi float* [ %add, %for.body ],
|
||||
; CHECK-NOT: %b.addr.02 = phi i64
|
||||
|
||||
%tmp = inttoptr i64 %b.addr.02 to float*
|
||||
; CHECK-NOT: inttoptr i64
|
||||
%tmp1 = load float, float* %tmp, align 4
|
||||
%mul.i = fmul float %tmp1, 4.200000e+01
|
||||
store float %mul.i, float* %a.addr.03, align 4
|
||||
%add = getelementptr inbounds float, float* %tmp, i64 1
|
||||
%add.int = ptrtoint float* %add to i64
|
||||
; CHECK-NOT: ptrtoint float*
|
||||
%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
|
||||
%cmp = icmp ult float* %incdec.ptr, %a_end
|
||||
br i1 %cmp, label %for.body, label %for.end
|
||||
|
||||
for.end: ; preds = %for.body, %entry
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @test1_neg(float* %a, float* readnone %a_end, i64* %b.i64) {
|
||||
; CHECK-LABEL: @test1_neg
|
||||
entry:
|
||||
%cmp1 = icmp ult float* %a, %a_end
|
||||
br i1 %cmp1, label %for.body.preheader, label %for.end
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
%b = load i64, i64* %b.i64, align 8
|
||||
br label %for.body
|
||||
|
||||
for.body: ; preds = %for.body, %for.body.preheader
|
||||
%a.addr.03 = phi float* [ %incdec.ptr, %bb ], [ %a, %for.body.preheader ]
|
||||
%b.addr.02 = phi i64 [ %add.int, %bb ], [ %b, %for.body.preheader ]
|
||||
|
||||
; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %bb ], [ %a, %for.body.preheader ]
|
||||
; CHECK: %b.addr.02 = phi i64
|
||||
|
||||
%tmp = inttoptr i64 %b.addr.02 to float*
|
||||
; CHECK: inttoptr i64
|
||||
%ptrcmp = icmp ult float* %tmp, %a_end
|
||||
br i1 %ptrcmp, label %for.end, label %bb
|
||||
|
||||
bb:
|
||||
%tmp1 = load float, float* %a, align 4
|
||||
%mul.i = fmul float %tmp1, 4.200000e+01
|
||||
store float %mul.i, float* %a.addr.03, align 4
|
||||
%add = getelementptr inbounds float, float* %a, i64 1
|
||||
%add.int = ptrtoint float* %add to i64
|
||||
; CHECK: ptrtoint float*
|
||||
%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
|
||||
%cmp = icmp ult float* %incdec.ptr, %a_end
|
||||
br i1 %cmp, label %for.body, label %for.end
|
||||
|
||||
for.end: ; preds = %for.body, %entry
|
||||
ret void
|
||||
}
|
||||
|
||||
|
||||
define void @test2(float* %a, float* readnone %a_end, float** %b.float) {
|
||||
; CHECK-LABEL: @test2
|
||||
entry:
|
||||
%cmp1 = icmp ult float* %a, %a_end
|
||||
br i1 %cmp1, label %for.body.preheader, label %for.end
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
%b.i64 = bitcast float** %b.float to i64*
|
||||
%b = load i64, i64* %b.i64, align 8
|
||||
; CHECK: load float*, float**
|
||||
br label %for.body
|
||||
|
||||
for.body: ; preds = %for.body, %for.body.preheader
|
||||
%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
%b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ]
|
||||
|
||||
; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
; CHECK: %b.addr.02.ptr = phi float* [ %add, %for.body ],
|
||||
; CHECK-NOT: %b.addr.02 = phi i64
|
||||
|
||||
%tmp = inttoptr i64 %b.addr.02 to float*
|
||||
; CHECK-NOT: inttoptr i64
|
||||
%tmp1 = load float, float* %tmp, align 4
|
||||
%mul.i = fmul float %tmp1, 4.200000e+01
|
||||
store float %mul.i, float* %a.addr.03, align 4
|
||||
%add = getelementptr inbounds float, float* %tmp, i64 1
|
||||
%add.int = ptrtoint float* %add to i64
|
||||
; CHECK-NOT: ptrtoint float*
|
||||
%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
|
||||
%cmp = icmp ult float* %incdec.ptr, %a_end
|
||||
br i1 %cmp, label %for.body, label %for.end
|
||||
|
||||
for.end: ; preds = %for.body, %entry
|
||||
ret void
|
||||
}
|
||||
|
||||
|
||||
define void @test3(float* %a, float* readnone %a_end, i8** %b.i8p) {
|
||||
; CHECK-LABEL: @test3
|
||||
entry:
|
||||
%cmp1 = icmp ult float* %a, %a_end
|
||||
br i1 %cmp1, label %for.body.preheader, label %for.end
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
%b.i64 = bitcast i8** %b.i8p to i64*
|
||||
%b = load i64, i64* %b.i64, align 8
|
||||
; CHECK: load float*, float**
|
||||
br label %for.body
|
||||
|
||||
for.body: ; preds = %for.body, %for.body.preheader
|
||||
%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
%b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ]
|
||||
|
||||
; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
; CHECK: %b.addr.02.ptr = phi float* [ %add, %for.body ],
|
||||
; CHECK-NOT: %b.addr.02 = phi i64
|
||||
|
||||
%tmp = inttoptr i64 %b.addr.02 to float*
|
||||
; CHECK-NOT: inttoptr i64
|
||||
%tmp1 = load float, float* %tmp, align 4
|
||||
%mul.i = fmul float %tmp1, 4.200000e+01
|
||||
store float %mul.i, float* %a.addr.03, align 4
|
||||
%add = getelementptr inbounds float, float* %tmp, i64 1
|
||||
%add.int = ptrtoint float* %add to i64
|
||||
; CHECK-NOT: ptrtoint float*
|
||||
%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
|
||||
%cmp = icmp ult float* %incdec.ptr, %a_end
|
||||
br i1 %cmp, label %for.body, label %for.end
|
||||
|
||||
for.end: ; preds = %for.body, %entry
|
||||
ret void
|
||||
}
|
||||
|
||||
|
||||
define void @test4(float* %a, float* readnone %a_end, float** %b.float) {
|
||||
entry:
|
||||
; CHECK-LABEL: @test4
|
||||
%cmp1 = icmp ult float* %a, %a_end
|
||||
br i1 %cmp1, label %for.body.preheader, label %for.end
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
%b.f = load float*, float** %b.float, align 8
|
||||
%b = ptrtoint float* %b.f to i64
|
||||
; CHECK: load float*, float**
|
||||
; CHECK-NOT: ptrtoint float*
|
||||
br label %for.body
|
||||
|
||||
for.body: ; preds = %for.body, %for.body.preheader
|
||||
%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
%b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ]
|
||||
%tmp = inttoptr i64 %b.addr.02 to float*
|
||||
; CHECK-NOT: inttoptr i64
|
||||
%tmp1 = load float, float* %tmp, align 4
|
||||
%mul.i = fmul float %tmp1, 4.200000e+01
|
||||
store float %mul.i, float* %a.addr.03, align 4
|
||||
%add = getelementptr inbounds float, float* %tmp, i64 1
|
||||
%add.int = ptrtoint float* %add to i64
|
||||
; CHECK-NOT: ptrtoint float*
|
||||
%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
|
||||
%cmp = icmp ult float* %incdec.ptr, %a_end
|
||||
br i1 %cmp, label %for.body, label %for.end
|
||||
|
||||
for.end: ; preds = %for.body, %entry
|
||||
ret void
|
||||
}
|
||||
@ -1,37 +0,0 @@
|
||||
; RUN: opt < %s -instcombine -S | FileCheck %s
|
||||
|
||||
define void @test1(float* %a, float* readnone %a_end, i32* %b.i) {
|
||||
; CHECK-LABEL: @test1
|
||||
entry:
|
||||
%cmp1 = icmp ult float* %a, %a_end
|
||||
br i1 %cmp1, label %for.body.preheader, label %for.end
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
%b = ptrtoint i32 * %b.i to i64
|
||||
; CHECK: bitcast
|
||||
; CHECK-NOT: ptrtoint
|
||||
br label %for.body
|
||||
|
||||
for.body: ; preds = %for.body, %for.body.preheader
|
||||
%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
%b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ]
|
||||
|
||||
; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
; CHECK-NOT: phi i64
|
||||
|
||||
%tmp = inttoptr i64 %b.addr.02 to float*
|
||||
; CHECK-NOT: inttoptr
|
||||
%tmp1 = load float, float* %tmp, align 4
|
||||
%mul.i = fmul float %tmp1, 4.200000e+01
|
||||
store float %mul.i, float* %a.addr.03, align 4
|
||||
%add = getelementptr inbounds float, float* %tmp, i64 1
|
||||
%add.int = ptrtoint float* %add to i64
|
||||
; CHECK-NOT: ptrtoint
|
||||
%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
|
||||
%cmp = icmp ult float* %incdec.ptr, %a_end
|
||||
br i1 %cmp, label %for.body, label %for.end
|
||||
|
||||
for.end: ; preds = %for.body, %entry
|
||||
ret void
|
||||
}
|
||||
|
||||
@ -1,37 +0,0 @@
|
||||
; RUN: opt < %s -instcombine -S | FileCheck %s
|
||||
|
||||
|
||||
define void @test(float* %a, float* readnone %a_end, i64 %b) unnamed_addr {
|
||||
entry:
|
||||
%cmp1 = icmp ult float* %a, %a_end
|
||||
br i1 %cmp1, label %for.body.preheader, label %for.end
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
%b.float = inttoptr i64 %b to float*
|
||||
br label %for.body
|
||||
|
||||
for.body: ; preds = %for.body.preheader, %for.body
|
||||
%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
%b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ]
|
||||
%b.addr.i64 = phi i64 [ %b.addr.i64.inc, %for.body ], [ %b, %for.body.preheader ]
|
||||
; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
; CHECK-NEXT: %b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ]
|
||||
; CHECK-NEXT: = load float
|
||||
%l = load float, float* %b.addr.float, align 4
|
||||
%mul.i = fmul float %l, 4.200000e+01
|
||||
store float %mul.i, float* %a.addr.03, align 4
|
||||
%b.addr.float.2 = inttoptr i64 %b.addr.i64 to float*
|
||||
; CHECK-NOT: inttoptr
|
||||
%b.addr.float.inc = getelementptr inbounds float, float* %b.addr.float.2, i64 1
|
||||
%b.addr.i64.inc = ptrtoint float* %b.addr.float.inc to i64
|
||||
; CHECK-NOT: ptrtoint
|
||||
%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
|
||||
%cmp = icmp ult float* %incdec.ptr, %a_end
|
||||
br i1 %cmp, label %for.body, label %for.end
|
||||
|
||||
for.end: ; preds = %for.body, %entry
|
||||
ret void
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -1,47 +0,0 @@
|
||||
; RUN: opt < %s -instcombine -S | FileCheck %s
|
||||
|
||||
|
||||
define void @test(float* %a, float* readnone %a_end, i64 %b, float* %bf) unnamed_addr {
|
||||
entry:
|
||||
%cmp1 = icmp ult float* %a, %a_end
|
||||
%b.float = inttoptr i64 %b to float*
|
||||
br i1 %cmp1, label %bb1, label %bb2
|
||||
|
||||
bb1:
|
||||
br label %for.body.preheader
|
||||
bb2:
|
||||
%bfi = ptrtoint float* %bf to i64
|
||||
br label %for.body.preheader
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
%b.phi = phi i64 [%b, %bb1], [%bfi, %bb2]
|
||||
; CHECK-LABEL: for.body.preheader
|
||||
; CHECK-NOT: %b.phi = phi i64
|
||||
br label %for.body
|
||||
|
||||
for.body: ; preds = %for.body.preheader, %for.body
|
||||
; CHECK-LABEL: for.body
|
||||
%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
%b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ]
|
||||
%b.addr.i64 = phi i64 [ %b.addr.i64.inc, %for.body ], [ %b.phi, %for.body.preheader ]
|
||||
; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
|
||||
; CHECK-NEXT: %b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ]
|
||||
; CHECK-NOT: = %b.addr.i64
|
||||
%l = load float, float* %b.addr.float, align 4
|
||||
%mul.i = fmul float %l, 4.200000e+01
|
||||
store float %mul.i, float* %a.addr.03, align 4
|
||||
%b.addr.float.2 = inttoptr i64 %b.addr.i64 to float*
|
||||
; CHECK-NOT: inttoptr
|
||||
%b.addr.float.inc = getelementptr inbounds float, float* %b.addr.float.2, i64 1
|
||||
%b.addr.i64.inc = ptrtoint float* %b.addr.float.inc to i64
|
||||
; CHECK-NOT: ptrtoint
|
||||
%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
|
||||
%cmp = icmp ult float* %incdec.ptr, %a_end
|
||||
br i1 %cmp, label %for.body, label %for.end
|
||||
|
||||
for.end: ; preds = %for.body, %entry
|
||||
ret void
|
||||
}
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user