[llvm-commits] [llvm] r64207 - in /llvm/trunk: include/llvm/Transforms/Utils/Local.h lib/Transforms/Scalar/ScalarReplAggregates.cpp lib/Transforms/Utils/Local.cpp test/Transforms/ScalarRepl/debuginfo.ll
Evan Cheng
evan.cheng at apple.com
Tue Feb 10 11:03:27 PST 2009
On Feb 9, 2009, at 11:00 PM, Devang Patel wrote:
>
> +/// CleanupGEP - GEP is used by an Alloca, which can be prompted
> after the GEP
> +/// is canonicalized here.
> +void SROA::CleanupGEP(GetElementPtrInst *GEPI) {
> + gep_type_iterator I = gep_type_begin(GEPI);
> + ++I;
> +
> + if (const ArrayType *AT = dyn_cast<ArrayType>(*I)) {
> + uint64_t NumElements = AT->getNumElements();
> +
> + if (!isa<ConstantInt>(I.getOperand())) {
Just a nitpick. You should use early exit to eliminate nesting here.
Evan
>
> + if (NumElements == 1) {
> + GEPI->setOperand(2, Constant::getNullValue(Type::Int32Ty));
> + } else {
> + assert(NumElements == 2 && "Unhandled case!");
> + // All users of the GEP must be loads. At each use of the
> GEP, insert
> + // two loads of the appropriate indexed GEP and select
> between them.
> + Value *IsOne = new ICmpInst(ICmpInst::ICMP_NE,
> I.getOperand(),
> +
> Constant::getNullValue(I.getOperand()->getType()),
> + "isone", GEPI);
> + // Insert the new GEP instructions, which are properly
> indexed.
> + SmallVector<Value*, 8> Indices(GEPI->op_begin()+1, GEPI-
> >op_end());
> + Indices[1] = Constant::getNullValue(Type::Int32Ty);
> + Value *ZeroIdx = GetElementPtrInst::Create(GEPI-
> >getOperand(0),
> + Indices.begin(),
> + Indices.end(),
> + GEPI->getName()
> +".0", GEPI);
> + Indices[1] = ConstantInt::get(Type::Int32Ty, 1);
> + Value *OneIdx = GetElementPtrInst::Create(GEPI-
> >getOperand(0),
> + Indices.begin(),
> + Indices.end(),
> + GEPI->getName()+".
> 1", GEPI);
> + // Replace all loads of the variable index GEP with loads
> from both
> + // indexes and a select.
> + while (!GEPI->use_empty()) {
> + LoadInst *LI = cast<LoadInst>(GEPI->use_back());
> + Value *Zero = new LoadInst(ZeroIdx, LI->getName()+".0",
> LI);
> + Value *One = new LoadInst(OneIdx , LI->getName()+".1",
> LI);
> + Value *R = SelectInst::Create(IsOne, One, Zero, LI-
> >getName(), LI);
> + LI->replaceAllUsesWith(R);
> + LI->eraseFromParent();
> + }
> + GEPI->eraseFromParent();
> + }
> + }
> + }
> }
>
> -/// CanonicalizeAllocaUsers - If SROA reported that it can promote
> the specified
> +/// CleanupAllocaUsers - If SROA reported that it can promote the
> specified
> /// allocation, but only if cleaned up, perform the cleanups required.
> -void SROA::CanonicalizeAllocaUsers(AllocationInst *AI) {
> +void SROA::CleanupAllocaUsers(AllocationInst *AI) {
> // At this point, we know that the end result will be SROA'd and
> promoted, so
> // we can insert ugly code if required so long as sroa+mem2reg
> will clean it
> // up.
> for (Value::use_iterator UI = AI->use_begin(), E = AI->use_end();
> UI != E; ) {
> - GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(*UI++);
> - if (!GEPI) continue;
> - gep_type_iterator I = gep_type_begin(GEPI);
> - ++I;
> -
> - if (const ArrayType *AT = dyn_cast<ArrayType>(*I)) {
> - uint64_t NumElements = AT->getNumElements();
> -
> - if (!isa<ConstantInt>(I.getOperand())) {
> - if (NumElements == 1) {
> - GEPI->setOperand(2, Constant::getNullValue(Type::Int32Ty));
> - } else {
> - assert(NumElements == 2 && "Unhandled case!");
> - // All users of the GEP must be loads. At each use of
> the GEP, insert
> - // two loads of the appropriate indexed GEP and select
> between them.
> - Value *IsOne = new ICmpInst(ICmpInst::ICMP_NE,
> I.getOperand(),
> - Constant::getNullValue(I.getOperand()-
> >getType()),
> - "isone", GEPI);
> - // Insert the new GEP instructions, which are properly
> indexed.
> - SmallVector<Value*, 8> Indices(GEPI->op_begin()+1, GEPI-
> >op_end());
> - Indices[1] = Constant::getNullValue(Type::Int32Ty);
> - Value *ZeroIdx = GetElementPtrInst::Create(GEPI-
> >getOperand(0),
> - Indices.begin(),
> - Indices.end(),
> - GEPI->getName()
> +".0", GEPI);
> - Indices[1] = ConstantInt::get(Type::Int32Ty, 1);
> - Value *OneIdx = GetElementPtrInst::Create(GEPI-
> >getOperand(0),
> - Indices.begin(),
> - Indices.end(),
> - GEPI->getName()
> +".1", GEPI);
> - // Replace all loads of the variable index GEP with loads
> from both
> - // indexes and a select.
> - while (!GEPI->use_empty()) {
> - LoadInst *LI = cast<LoadInst>(GEPI->use_back());
> - Value *Zero = new LoadInst(ZeroIdx, LI->getName()+".0",
> LI);
> - Value *One = new LoadInst(OneIdx , LI->getName()+".1",
> LI);
> - Value *R = SelectInst::Create(IsOne, One, Zero, LI-
> >getName(), LI);
> - LI->replaceAllUsesWith(R);
> - LI->eraseFromParent();
> - }
> - GEPI->eraseFromParent();
> + User *U = *UI++;
> + if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(U))
> + CleanupGEP(GEPI);
> + else if (Instruction *I = dyn_cast<Instruction>(U)) {
> + SmallVector<DbgInfoIntrinsic *, 2> DbgInUses;
> + if (OnlyUsedByDbgInfoIntrinsics(I, &DbgInUses)) {
> + // Safe to remove debug info uses.
> + while (!DbgInUses.empty()) {
> + DbgInfoIntrinsic *DI = DbgInUses.back();
> DbgInUses.pop_back();
> + DI->eraseFromParent();
> }
> + I->eraseFromParent();
> }
> }
> }
>
> Modified: llvm/trunk/lib/Transforms/Utils/Local.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/Local.cpp?rev=64207&r1=64206&r2=64207&view=diff
>
> =
> =
> =
> =
> =
> =
> =
> =
> ======================================================================
> --- llvm/trunk/lib/Transforms/Utils/Local.cpp (original)
> +++ llvm/trunk/lib/Transforms/Utils/Local.cpp Tue Feb 10 01:00:59 2009
> @@ -248,3 +248,25 @@
> // Nuke BB.
> PredBB->eraseFromParent();
> }
> +
> +/// OnlyUsedByDbgIntrinsics - Return true if the instruction I is
> only used
> +/// by DbgIntrinsics. If DbgInUses is specified then the vector is
> filled
> +/// with the DbgInfoIntrinsic that use the instruction I.
> +bool llvm::OnlyUsedByDbgInfoIntrinsics(Instruction *I,
> + SmallVectorImpl<DbgInfoIntrinsic *>
> *DbgInUses) {
> + if (DbgInUses)
> + DbgInUses->clear();
> +
> + for (Value::use_iterator UI = I->use_begin(), UE = I->use_end();
> UI != UE;
> + ++UI) {
> + if (DbgInfoIntrinsic *DI = dyn_cast<DbgInfoIntrinsic>(*UI)) {
> + if (DbgInUses)
> + DbgInUses->push_back(DI);
> + } else {
> + if (DbgInUses)
> + DbgInUses->clear();
> + return false;
> + }
> + }
> + return true;
> +}
>
> Added: llvm/trunk/test/Transforms/ScalarRepl/debuginfo.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/ScalarRepl/debuginfo.ll?rev=64207&view=auto
>
> =
> =
> =
> =
> =
> =
> =
> =
> ======================================================================
> --- llvm/trunk/test/Transforms/ScalarRepl/debuginfo.ll (added)
> +++ llvm/trunk/test/Transforms/ScalarRepl/debuginfo.ll Tue Feb 10
> 01:00:59 2009
> @@ -0,0 +1,105 @@
> +; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | not grep alloca
> + %llvm.dbg.anchor.type = type { i32, i32 }
> + %llvm.dbg.basictype.type = type { i32, { }*, i8*, { }*, i32, i64,
> i64, i64, i32, i32 }
> + %llvm.dbg.compile_unit.type = type { i32, { }*, i32, i8*, i8*,
> i8*, i1, i1, i8* }
> + %llvm.dbg.composite.type = type { i32, { }*, i8*, { }*, i32, i64,
> i64, i64, i32, { }*, { }* }
> + %llvm.dbg.derivedtype.type = type { i32, { }*, i8*, { }*, i32,
> i64, i64, i64, i32, { }* }
> + %llvm.dbg.subprogram.type = type { i32, { }*, { }*, i8*, i8*, i8*,
> { }*, i32, { }*, i1, i1 }
> + %llvm.dbg.variable.type = type { i32, { }*, i8*, { }*, i32, { }* }
> + %struct.Sphere = type { %struct.Vec }
> + %struct.Vec = type { i32, i32, i32 }
> + at llvm.dbg.compile_units = linkonce constant %llvm.dbg.anchor.type
> { i32 458752, i32 17 }, section "llvm.metadata" ; <
> %llvm.dbg.anchor.type*> [#uses=1]
> + at .str = internal constant [6 x i8] c"r.cpp\00", section
> "llvm.metadata" ; <[6 x i8]*> [#uses=1]
> + at .str1 = internal constant [5 x i8] c"/tmp\00", section
> "llvm.metadata" ; <[5 x i8]*> [#uses=1]
> + at .str2 = internal constant [55 x i8] c"4.2.1 (Based on Apple Inc.
> build 5636) (LLVM build 00)\00", section "llvm.metadata" ; <[55 x
> i8]*> [#uses=1]
> + at llvm.dbg.compile_unit = internal constant
> %llvm.dbg.compile_unit.type { i32 458769, { }* bitcast
> (%llvm.dbg.anchor.type* @llvm.dbg.compile_units to { }*), i32 4, i8*
> getelementptr ([6 x i8]* @.str, i32 0, i32 0), i8* getelementptr ([5
> x i8]* @.str1, i32 0, i32 0), i8* getelementptr ([55 x i8]* @.str2,
> i32 0, i32 0), i1 true, i1 false, i8* null }, section
> "llvm.metadata" ; <%llvm.dbg.compile_unit.type*> [#uses=1]
> + at .str3 = internal constant [4 x i8] c"Vec\00", section
> "llvm.metadata" ; <[4 x i8]*> [#uses=1]
> + at .str4 = internal constant [4 x i8] c"int\00", section
> "llvm.metadata" ; <[4 x i8]*> [#uses=1]
> + at llvm.dbg.basictype = internal constant %llvm.dbg.basictype.type
> { i32 458788, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i8* getelementptr ([4 x i8]*
> @.str4, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 0, i64 32, i64 32, i64 0, i32
> 0, i32 5 }, section "llvm.metadata" ; <%llvm.dbg.basictype.type*>
> [#uses=1]
> + at .str5 = internal constant [2 x i8] c"x\00", section
> "llvm.metadata" ; <[2 x i8]*> [#uses=1]
> + at llvm.dbg.derivedtype = internal constant
> %llvm.dbg.derivedtype.type { i32 458765, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> getelementptr ([2 x i8]* @.str5, i32 0, i32 0), { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 4, i64 32, i64 32, i64 0, i32 0, { }* bitcast
> (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*) }, section
> "llvm.metadata" ; <%llvm.dbg.derivedtype.type*> [#uses=1]
> + at .str6 = internal constant [2 x i8] c"y\00", section
> "llvm.metadata" ; <[2 x i8]*> [#uses=1]
> + at llvm.dbg.derivedtype7 = internal constant
> %llvm.dbg.derivedtype.type { i32 458765, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> getelementptr ([2 x i8]* @.str6, i32 0, i32 0), { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 4, i64 32, i64 32, i64 32, i32 0, { }* bitcast
> (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*) }, section
> "llvm.metadata" ; <%llvm.dbg.derivedtype.type*> [#uses=1]
> + at .str8 = internal constant [2 x i8] c"z\00", section
> "llvm.metadata" ; <[2 x i8]*> [#uses=1]
> + at llvm.dbg.derivedtype9 = internal constant
> %llvm.dbg.derivedtype.type { i32 458765, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> getelementptr ([2 x i8]* @.str8, i32 0, i32 0), { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 4, i64 32, i64 32, i64 64, i32 0, { }* bitcast
> (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*) }, section
> "llvm.metadata" ; <%llvm.dbg.derivedtype.type*> [#uses=1]
> + at llvm.dbg.derivedtype10 = internal constant
> %llvm.dbg.derivedtype.type { i32 458767, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> null, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 0, i64 32, i64 32, i64 0, i32
> 0, { }* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite18 to
> { }*) }, section "llvm.metadata" ; <%llvm.dbg.derivedtype.type*>
> [#uses=1]
> + at llvm.dbg.derivedtype11 = internal constant
> %llvm.dbg.derivedtype.type { i32 458790, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> null, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 0, i64 96, i64 32, i64 0, i32
> 0, { }* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite18 to
> { }*) }, section "llvm.metadata" ; <%llvm.dbg.derivedtype.type*>
> [#uses=1]
> + at llvm.dbg.derivedtype12 = internal constant
> %llvm.dbg.derivedtype.type { i32 458768, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> null, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 0, i64 32, i64 32, i64 0, i32
> 0, { }* bitcast (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype11
> to { }*) }, section "llvm.metadata" ; <%llvm.dbg.derivedtype.type*>
> [#uses=1]
> + at llvm.dbg.array = internal constant [3 x { }*] [ { }* null, { }*
> bitcast (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype10 to
> { }*), { }* bitcast (%llvm.dbg.derivedtype.type*
> @llvm.dbg.derivedtype12 to { }*) ], section "llvm.metadata" ; <[3 x
> { }*]*> [#uses=1]
> + at llvm.dbg.composite13 = internal constant %llvm.dbg.composite.type
> { i32 458773, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i8* null, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 0, i64 0, i64 0, i64 0, i32 0, { }* null, { }* bitcast ([3 x { }*]*
> @llvm.dbg.array to { }*) }, section "llvm.metadata" ; <
> %llvm.dbg.composite.type*> [#uses=1]
> + at llvm.dbg.subprograms = linkonce constant %llvm.dbg.anchor.type
> { i32 458752, i32 46 }, section "llvm.metadata" ; <
> %llvm.dbg.anchor.type*> [#uses=1]
> + at llvm.dbg.subprogram = internal constant %llvm.dbg.subprogram.type
> { i32 458798, { }* bitcast (%llvm.dbg.anchor.type*
> @llvm.dbg.subprograms to { }*), { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> getelementptr ([4 x i8]* @.str3, i32 0, i32 0), i8* getelementptr
> ([4 x i8]* @.str3, i32 0, i32 0), i8* null, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 2, { }* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite13 to
> { }*), i1 false, i1 false }, section "llvm.metadata" ; <
> %llvm.dbg.subprogram.type*> [#uses=1]
> + at llvm.dbg.array14 = internal constant [5 x { }*] [ { }* null, { }*
> bitcast (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype10 to
> { }*), { }* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype
> to { }*), { }* bitcast (%llvm.dbg.basictype.type*
> @llvm.dbg.basictype to { }*), { }* bitcast
> (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*) ], section
> "llvm.metadata" ; <[5 x { }*]*> [#uses=1]
> + at llvm.dbg.composite15 = internal constant %llvm.dbg.composite.type
> { i32 458773, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i8* null, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 0, i64 0, i64 0, i64 0, i32 0, { }* null, { }* bitcast ([5 x { }*]*
> @llvm.dbg.array14 to { }*) }, section "llvm.metadata" ; <
> %llvm.dbg.composite.type*> [#uses=1]
> + at llvm.dbg.subprogram16 = internal constant
> %llvm.dbg.subprogram.type { i32 458798, { }* bitcast
> (%llvm.dbg.anchor.type* @llvm.dbg.subprograms to { }*), { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> getelementptr ([4 x i8]* @.str3, i32 0, i32 0), i8* getelementptr
> ([4 x i8]* @.str3, i32 0, i32 0), i8* null, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 5, { }* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite15 to
> { }*), i1 false, i1 false }, section "llvm.metadata" ; <
> %llvm.dbg.subprogram.type*> [#uses=1]
> + at llvm.dbg.array17 = internal constant [5 x { }*] [ { }* bitcast
> (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype to { }*), { }*
> bitcast (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype7 to
> { }*), { }* bitcast (%llvm.dbg.derivedtype.type*
> @llvm.dbg.derivedtype9 to { }*), { }* bitcast
> (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to { }*), { }*
> bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram16 to
> { }*) ], section "llvm.metadata" ; <[5 x { }*]*> [#uses=1]
> + at llvm.dbg.composite18 = internal constant %llvm.dbg.composite.type
> { i32 458771, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i8* getelementptr ([4 x i8]*
> @.str3, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 2, i64 96, i64 32, i64 0, i32
> 0, { }* null, { }* bitcast ([5 x { }*]* @llvm.dbg.array17 to
> { }*) }, section "llvm.metadata" ; <%llvm.dbg.composite.type*>
> [#uses=1]
> + at llvm.dbg.derivedtype19 = internal constant
> %llvm.dbg.derivedtype.type { i32 458767, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> null, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 0, i64 32, i64 32, i64 0, i32
> 0, { }* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite18 to
> { }*) }, section "llvm.metadata" ; <%llvm.dbg.derivedtype.type*>
> [#uses=1]
> + at llvm.dbg.array20 = internal constant [5 x { }*] [ { }* null, { }*
> bitcast (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype19 to
> { }*), { }* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype
> to { }*), { }* bitcast (%llvm.dbg.basictype.type*
> @llvm.dbg.basictype to { }*), { }* bitcast
> (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*) ], section
> "llvm.metadata" ; <[5 x { }*]*> [#uses=1]
> + at llvm.dbg.composite = internal constant %llvm.dbg.composite.type
> { i32 458773, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i8* null, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 0, i64 0, i64 0, i64 0, i32 0, { }* null, { }* bitcast ([5 x { }*]*
> @llvm.dbg.array20 to { }*) }, section "llvm.metadata" ; <
> %llvm.dbg.composite.type*> [#uses=1]
> + at .str21 = internal constant [13 x i8] c"__comp_ctor \00", section
> "llvm.metadata" ; <[13 x i8]*> [#uses=1]
> + at .str22 = internal constant [14 x i8] c"_ZN3VecC1Eiii\00", section
> "llvm.metadata" ; <[14 x i8]*> [#uses=1]
> + at llvm.dbg.array32 = internal constant [3 x { }*] [ { }* bitcast
> (%llvm.dbg.composite.type* @llvm.dbg.composite18 to { }*), { }*
> bitcast (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype12 to
> { }*), { }* bitcast (%llvm.dbg.derivedtype.type*
> @llvm.dbg.derivedtype12 to { }*) ], section "llvm.metadata" ; <[3 x
> { }*]*> [#uses=1]
> + at llvm.dbg.composite33 = internal constant %llvm.dbg.composite.type
> { i32 458773, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i8* null, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 0, i64 0, i64 0, i64 0, i32 0, { }* null, { }* bitcast ([3 x { }*]*
> @llvm.dbg.array32 to { }*) }, section "llvm.metadata" ; <
> %llvm.dbg.composite.type*> [#uses=1]
> + at .str34 = internal constant [10 x i8] c"operator-\00", section
> "llvm.metadata" ; <[10 x i8]*> [#uses=1]
> + at .str35 = internal constant [14 x i8] c"_ZmiRK3VecS1_\00", section
> "llvm.metadata" ; <[14 x i8]*> [#uses=1]
> + at .str41 = internal constant [7 x i8] c"Sphere\00", section
> "llvm.metadata" ; <[7 x i8]*> [#uses=1]
> + at .str43 = internal constant [7 x i8] c"center\00", section
> "llvm.metadata" ; <[7 x i8]*> [#uses=1]
> + at llvm.dbg.derivedtype44 = internal constant
> %llvm.dbg.derivedtype.type { i32 458765, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> getelementptr ([7 x i8]* @.str43, i32 0, i32 0), { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 14, i64 96, i64 32, i64 0, i32 1, { }* bitcast
> (%llvm.dbg.composite.type* @llvm.dbg.composite18 to { }*) }, section
> "llvm.metadata" ; <%llvm.dbg.derivedtype.type*> [#uses=1]
> + at llvm.dbg.derivedtype45 = internal constant
> %llvm.dbg.derivedtype.type { i32 458767, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> null, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 0, i64 32, i64 32, i64 0, i32
> 0, { }* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite52 to
> { }*) }, section "llvm.metadata" ; <%llvm.dbg.derivedtype.type*>
> [#uses=1]
> + at llvm.dbg.array46 = internal constant [3 x { }*] [ { }* bitcast
> (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*), { }*
> bitcast (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype45 to
> { }*), { }* bitcast (%llvm.dbg.derivedtype.type*
> @llvm.dbg.derivedtype12 to { }*) ], section "llvm.metadata" ; <[3 x
> { }*]*> [#uses=1]
> + at llvm.dbg.composite47 = internal constant %llvm.dbg.composite.type
> { i32 458773, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i8* null, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 0, i64 0, i64 0, i64 0, i32 0, { }* null, { }* bitcast ([3 x { }*]*
> @llvm.dbg.array46 to { }*) }, section "llvm.metadata" ; <
> %llvm.dbg.composite.type*> [#uses=1]
> + at .str48 = internal constant [11 x i8] c"ray_sphere\00", section
> "llvm.metadata" ; <[11 x i8]*> [#uses=1]
> + at .str49 = internal constant [30 x i8]
> c"_ZN6Sphere10ray_sphereERK3Vec\00", section "llvm.metadata" ; <[30
> x i8]*> [#uses=1]
> + at llvm.dbg.subprogram50 = internal constant
> %llvm.dbg.subprogram.type { i32 458798, { }* bitcast
> (%llvm.dbg.anchor.type* @llvm.dbg.subprograms to { }*), { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> getelementptr ([11 x i8]* @.str48, i32 0, i32 0), i8* getelementptr
> ([11 x i8]* @.str48, i32 0, i32 0), i8* getelementptr ([30 x i8]*
> @.str49, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 16, { }* bitcast
> (%llvm.dbg.composite.type* @llvm.dbg.composite47 to { }*), i1 false,
> i1 false }, section "llvm.metadata" ; <%llvm.dbg.subprogram.type*>
> [#uses=1]
> + at llvm.dbg.array51 = internal constant [2 x { }*] [ { }* bitcast
> (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype44 to { }*), { }*
> bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram50 to
> { }*) ], section "llvm.metadata" ; <[2 x { }*]*> [#uses=1]
> + at llvm.dbg.composite52 = internal constant %llvm.dbg.composite.type
> { i32 458771, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i8* getelementptr ([7 x i8]*
> @.str41, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 12, i64 96, i64 32, i64 0, i32
> 0, { }* null, { }* bitcast ([2 x { }*]* @llvm.dbg.array51 to
> { }*) }, section "llvm.metadata" ; <%llvm.dbg.composite.type*>
> [#uses=1]
> + at llvm.dbg.derivedtype53 = internal constant
> %llvm.dbg.derivedtype.type { i32 458767, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> null, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 0, i64 32, i64 32, i64 0, i32
> 0, { }* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite52 to
> { }*) }, section "llvm.metadata" ; <%llvm.dbg.derivedtype.type*>
> [#uses=1]
> + at llvm.dbg.array54 = internal constant [3 x { }*] [ { }* bitcast
> (%llvm.dbg.basictype.type* @llvm.dbg.basictype to { }*), { }*
> bitcast (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype53 to
> { }*), { }* bitcast (%llvm.dbg.derivedtype.type*
> @llvm.dbg.derivedtype12 to { }*) ], section "llvm.metadata" ; <[3 x
> { }*]*> [#uses=1]
> + at llvm.dbg.composite55 = internal constant %llvm.dbg.composite.type
> { i32 458773, { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i8* null, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i32
> 0, i64 0, i64 0, i64 0, i32 0, { }* null, { }* bitcast ([3 x { }*]*
> @llvm.dbg.array54 to { }*) }, section "llvm.metadata" ; <
> %llvm.dbg.composite.type*> [#uses=1]
> + at llvm.dbg.subprogram56 = internal constant
> %llvm.dbg.subprogram.type { i32 458798, { }* bitcast
> (%llvm.dbg.anchor.type* @llvm.dbg.subprograms to { }*), { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*), i8*
> getelementptr ([11 x i8]* @.str48, i32 0, i32 0), i8* getelementptr
> ([11 x i8]* @.str48, i32 0, i32 0), i8* getelementptr ([30 x i8]*
> @.str49, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 16, { }* bitcast
> (%llvm.dbg.composite.type* @llvm.dbg.composite55 to { }*), i1 false,
> i1 true }, section "llvm.metadata" ; <%llvm.dbg.subprogram.type*>
> [#uses=1]
> + at .str61 = internal constant [2 x i8] c"v\00", section
> "llvm.metadata" ; <[2 x i8]*> [#uses=1]
> + at llvm.dbg.variable62 = internal constant %llvm.dbg.variable.type
> { i32 459008, { }* bitcast (%llvm.dbg.subprogram.type*
> @llvm.dbg.subprogram56 to { }*), i8* getelementptr ([2 x i8]*
> @.str61, i32 0, i32 0), { }* bitcast (%llvm.dbg.compile_unit.type*
> @llvm.dbg.compile_unit to { }*), i32 17, { }* bitcast
> (%llvm.dbg.composite.type* @llvm.dbg.composite18 to { }*) }, section
> "llvm.metadata" ; <%llvm.dbg.variable.type*> [#uses=1]
> +
> +declare void @llvm.dbg.func.start({ }*) nounwind
> +
> +declare void @llvm.dbg.declare({ }*, { }*) nounwind
> +
> +declare void @llvm.dbg.stoppoint(i32, i32, { }*) nounwind
> +
> +declare void @llvm.dbg.region.end({ }*) nounwind
> +
> +define i32 @_ZN6Sphere10ray_sphereERK3Vec(%struct.Sphere* %this,
> %struct.Vec* %Orig) nounwind {
> +entry:
> + %v = alloca %struct.Vec, align 8 ; <%struct.Vec*> [#uses=4]
> + call void @llvm.dbg.func.start({ }* bitcast
> (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram56 to { }*))
> + %0 = bitcast %struct.Vec* %v to { }* ; <{ }*> [#uses=1]
> + call void @llvm.dbg.declare({ }* %0, { }* bitcast
> (%llvm.dbg.variable.type* @llvm.dbg.variable62 to { }*))
> + %1 = getelementptr %struct.Sphere* %this, i32 0, i32 0, i32 2 ;
> <i32*> [#uses=1]
> + %2 = load i32* %1, align 4 ; <i32> [#uses=1]
> + %3 = getelementptr %struct.Vec* %Orig, i32 0, i32 2 ; <i32*>
> [#uses=1]
> + %4 = load i32* %3, align 4 ; <i32> [#uses=1]
> + %5 = sub i32 %2, %4 ; <i32> [#uses=1]
> + %6 = getelementptr %struct.Sphere* %this, i32 0, i32 0, i32 1 ;
> <i32*> [#uses=1]
> + %7 = load i32* %6, align 4 ; <i32> [#uses=1]
> + %8 = getelementptr %struct.Vec* %Orig, i32 0, i32 1 ; <i32*>
> [#uses=1]
> + %9 = load i32* %8, align 4 ; <i32> [#uses=1]
> + %10 = sub i32 %7, %9 ; <i32> [#uses=1]
> + %11 = getelementptr %struct.Sphere* %this, i32 0, i32 0, i32 0 ;
> <i32*> [#uses=1]
> + %12 = load i32* %11, align 4 ; <i32> [#uses=1]
> + %13 = getelementptr %struct.Vec* %Orig, i32 0, i32 0 ; <i32*>
> [#uses=1]
> + %14 = load i32* %13, align 4 ; <i32> [#uses=1]
> + %15 = sub i32 %12, %14 ; <i32> [#uses=1]
> + %16 = getelementptr %struct.Vec* %v, i32 0, i32 0 ; <i32*>
> [#uses=2]
> + store i32 %15, i32* %16, align 8
> + %17 = getelementptr %struct.Vec* %v, i32 0, i32 1 ; <i32*>
> [#uses=1]
> + store i32 %10, i32* %17, align 4
> + %18 = getelementptr %struct.Vec* %v, i32 0, i32 2 ; <i32*>
> [#uses=1]
> + store i32 %5, i32* %18, align 8
> + call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
> nounwind
> + call void @llvm.dbg.stoppoint(i32 9, i32 0, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
> nounwind
> + %19 = load i32* %16, align 8 ; <i32> [#uses=1]
> + call void @llvm.dbg.stoppoint(i32 18, i32 0, { }* bitcast
> (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
> + call void @llvm.dbg.region.end({ }* bitcast
> (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram56 to { }*))
> + ret i32 %19
> +}
>
>
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