From c10eefd292dba2e2ffff1a8ff3290ba312633d22 Mon Sep 17 00:00:00 2001 From: Xinliang David Li Date: Fri, 29 Sep 2017 22:30:34 +0000 Subject: [PATCH] Revert 314561 due to debug build assertion failure git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314563 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/InstCombine/InstCombineInternal.h | 4 - lib/Transforms/InstCombine/InstCombinePHI.cpp | 219 ----------------------- test/Transforms/InstCombine/intptr1.ll | 181 ------------------- test/Transforms/InstCombine/intptr2.ll | 37 ---- test/Transforms/InstCombine/intptr3.ll | 37 ---- test/Transforms/InstCombine/intptr4.ll | 47 ----- 6 files changed, 525 deletions(-) delete mode 100644 test/Transforms/InstCombine/intptr1.ll delete mode 100644 test/Transforms/InstCombine/intptr2.ll delete mode 100644 test/Transforms/InstCombine/intptr3.ll delete mode 100644 test/Transforms/InstCombine/intptr4.ll diff --git a/lib/Transforms/InstCombine/InstCombineInternal.h b/lib/Transforms/InstCombine/InstCombineInternal.h index 535c5104d5e..22edcfa0444 100644 --- a/lib/Transforms/InstCombine/InstCombineInternal.h +++ b/lib/Transforms/InstCombine/InstCombineInternal.h @@ -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 get debug location for the /// folded operation. diff --git a/lib/Transforms/InstCombine/InstCombinePHI.cpp b/lib/Transforms/InstCombine/InstCombinePHI.cpp index 792eb86a421..0011412c2bf 100644 --- a/lib/Transforms/InstCombine/InstCombinePHI.cpp +++ b/lib/Transforms/InstCombine/InstCombinePHI.cpp @@ -39,222 +39,6 @@ DebugLoc InstCombiner::PHIArgMergedDebugLoc(PHINode &PN) { return Loc; } -// 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(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(U)) { - Ptr = LoadI->getPointerOperand(); - } else if (StoreInst *SI = dyn_cast(U)) { - Ptr = SI->getPointerOperand(); - } else if (GetElementPtrInst *GI = dyn_cast(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 AvailablePtrVals; - for (unsigned i = 0; i != PN.getNumIncomingValues(); ++i) { - Value *Arg = PN.getIncomingValue(i); - - // First look backward: - if (auto *PI = dyn_cast(Arg)) { - AvailablePtrVals.emplace_back(PI->getOperand(0)); - continue; - } - - // Next look forward: - Value *ArgIntToPtr = nullptr; - for (User *U : Arg->users()) { - if (isa(U) && U->getType() == IntToPtr->getType() && - (DT.dominates(cast(U), PN.getIncomingBlock(i)) || - cast(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(Arg)) { - AvailablePtrVals.emplace_back(Arg); - continue; - } - - // For a single use integer load: - auto *LoadI = dyn_cast(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(II); - if (!PtrPHI || PtrPHI == &PN) - 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(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(IncomingVal); - assert((isa(IncomingVal) || (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(IncomingVal)) { - BasicBlock::iterator InsertPos(IncomingI); - InsertPos++; - if (isa(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) { @@ -1118,9 +902,6 @@ 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(PN.user_back()); if (PHINode *PU = dyn_cast(PHIUser)) { SmallPtrSet PotentiallyDeadPHIs; diff --git a/test/Transforms/InstCombine/intptr1.ll b/test/Transforms/InstCombine/intptr1.ll deleted file mode 100644 index 46ed5f9a005..00000000000 --- a/test/Transforms/InstCombine/intptr1.ll +++ /dev/null @@ -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 -} diff --git a/test/Transforms/InstCombine/intptr2.ll b/test/Transforms/InstCombine/intptr2.ll deleted file mode 100644 index 09b3a1927cb..00000000000 --- a/test/Transforms/InstCombine/intptr2.ll +++ /dev/null @@ -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 -} - diff --git a/test/Transforms/InstCombine/intptr3.ll b/test/Transforms/InstCombine/intptr3.ll deleted file mode 100644 index f5b37afdcf7..00000000000 --- a/test/Transforms/InstCombine/intptr3.ll +++ /dev/null @@ -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 -} - - - diff --git a/test/Transforms/InstCombine/intptr4.ll b/test/Transforms/InstCombine/intptr4.ll deleted file mode 100644 index 17e09f771c8..00000000000 --- a/test/Transforms/InstCombine/intptr4.ll +++ /dev/null @@ -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 -} - - - -- 2.11.0