r234581 - Remove threshold for inserting lifetime markers for named temporaries
Nico Weber
thakis at chromium.org
Sat Apr 11 16:55:33 PDT 2015
Hi Arnaud,
a few Chromium tests started failing after this commit (
http://crbug.com/476316). I speculatively reverted this in r234700 – if it
helps with our test failures, I'll get you a repro on Monday, else I'll
reland your change.
Nico
On Fri, Apr 10, 2015 at 3:13 AM, Arnaud A. de Grandmaison <
arnaud.degrandmaison at arm.com> wrote:
> Author: aadg
> Date: Fri Apr 10 05:13:52 2015
> New Revision: 234581
>
> URL: http://llvm.org/viewvc/llvm-project?rev=234581&view=rev
> Log:
> Remove threshold for inserting lifetime markers for named temporaries
>
> Now that TailRecursionElimination has been fixed with r222354, the
> threshold on size for lifetime marker insertion can be removed. This
> only affects named temporary though, as the patch for unnamed temporaries
> is still in progress.
>
> My previous commit (r222993) was not handling debuginfo correctly, but
> this could only be seen with some asan tests. Basically, lifetime markers
> are just instrumentation for the compiler's usage and should not affect
> debug information; however, the cleanup infrastructure was assuming it
> contained only destructors, i.e. actual code to be executed, and was
> setting the breakpoint for the end of the function to the closing '}', and
> not the return statement, in order to show some destructors have been
> called when leaving the function. This is wrong when the cleanups are only
> lifetime markers, and this is now fixed.
>
> Added:
> cfe/trunk/test/CodeGen/cleanup-destslot-simple.c
> cfe/trunk/test/CodeGen/lifetime-debuginfo-1.c
> cfe/trunk/test/CodeGen/lifetime-debuginfo-2.c
> Modified:
> cfe/trunk/lib/CodeGen/CGCall.cpp
> cfe/trunk/lib/CodeGen/CGCleanup.cpp
> cfe/trunk/lib/CodeGen/CGCleanup.h
> cfe/trunk/lib/CodeGen/CGDecl.cpp
> cfe/trunk/lib/CodeGen/CodeGenFunction.cpp
> cfe/trunk/lib/CodeGen/CodeGenFunction.h
> cfe/trunk/lib/CodeGen/EHScopeStack.h
> cfe/trunk/test/CodeGenCXX/destructors.cpp
> cfe/trunk/test/CodeGenCXX/nrvo.cpp
> cfe/trunk/test/CodeGenObjC/arc-blocks.m
> cfe/trunk/test/CodeGenObjC/arc-bridged-cast.m
> cfe/trunk/test/CodeGenObjC/arc-literals.m
> cfe/trunk/test/CodeGenObjC/arc-precise-lifetime.m
> cfe/trunk/test/CodeGenObjC/arc-ternary-op.m
> cfe/trunk/test/CodeGenObjC/arc.m
> cfe/trunk/test/CodeGenObjC/exceptions.m
> cfe/trunk/test/CodeGenObjCXX/arc-move.mm
> cfe/trunk/test/CodeGenObjCXX/arc-references.mm
> cfe/trunk/test/CodeGenObjCXX/arc.mm
> cfe/trunk/test/CodeGenObjCXX/literals.mm
>
> Modified: cfe/trunk/lib/CodeGen/CGCall.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCall.cpp?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGCall.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGCall.cpp Fri Apr 10 05:13:52 2015
> @@ -30,6 +30,7 @@
> #include "llvm/IR/DataLayout.h"
> #include "llvm/IR/InlineAsm.h"
> #include "llvm/IR/Intrinsics.h"
> +#include "llvm/IR/IntrinsicInst.h"
> #include "llvm/Transforms/Utils/Local.h"
> #include <sstream>
> using namespace clang;
> @@ -2216,7 +2217,29 @@ static llvm::StoreInst *findDominatingSt
> if (!CGF.ReturnValue->hasOneUse()) {
> llvm::BasicBlock *IP = CGF.Builder.GetInsertBlock();
> if (IP->empty()) return nullptr;
> - llvm::StoreInst *store = dyn_cast<llvm::StoreInst>(&IP->back());
> + llvm::Instruction *I = &IP->back();
> +
> + // Skip lifetime markers
> + for (llvm::BasicBlock::reverse_iterator II = IP->rbegin(),
> + IE = IP->rend();
> + II != IE; ++II) {
> + if (llvm::IntrinsicInst *Intrinsic =
> + dyn_cast<llvm::IntrinsicInst>(&*II)) {
> + if (Intrinsic->getIntrinsicID() == llvm::Intrinsic::lifetime_end)
> {
> + const llvm::Value *CastAddr = Intrinsic->getArgOperand(1);
> + ++II;
> + if (isa<llvm::BitCastInst>(&*II)) {
> + if (CastAddr == &*II) {
> + continue;
> + }
> + }
> + }
> + }
> + I = &*II;
> + break;
> + }
> +
> + llvm::StoreInst *store = dyn_cast<llvm::StoreInst>(I);
> if (!store) return nullptr;
> if (store->getPointerOperand() != CGF.ReturnValue) return nullptr;
> assert(!store->isAtomic() && !store->isVolatile()); // see below
> @@ -2314,7 +2337,8 @@ void CodeGenFunction::EmitFunctionEpilog
>
> // If there is a dominating store to ReturnValue, we can elide
> // the load, zap the store, and usually zap the alloca.
> - if (llvm::StoreInst *SI = findDominatingStoreToReturnValue(*this)) {
> + if (llvm::StoreInst *SI =
> + findDominatingStoreToReturnValue(*this)) {
> // Reuse the debug location from the store unless there is
> // cleanup code to be emitted between the store and return
> // instruction.
>
> Modified: cfe/trunk/lib/CodeGen/CGCleanup.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCleanup.cpp?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGCleanup.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGCleanup.cpp Fri Apr 10 05:13:52 2015
> @@ -125,6 +125,17 @@ char *EHScopeStack::allocate(size_t Size
> return StartOfData;
> }
>
> +bool EHScopeStack::containsOnlyLifetimeMarkers(
> + EHScopeStack::stable_iterator Old) const {
> + for (EHScopeStack::iterator it = begin(); stabilize(it) != Old; it++) {
> + EHCleanupScope *cleanup = dyn_cast<EHCleanupScope>(&*it);
> + if (!cleanup || !cleanup->isLifetimeMarker())
> + return false;
> + }
> +
> + return true;
> +}
> +
> EHScopeStack::stable_iterator
> EHScopeStack::getInnermostActiveNormalCleanup() const {
> for (stable_iterator si = getInnermostNormalCleanup(), se =
> stable_end();
> @@ -748,7 +759,15 @@ void CodeGenFunction::PopCleanupBlock(bo
> Scope.getNumBranchAfters() == 1) {
> assert(!BranchThroughDest || !IsActive);
>
> - // TODO: clean up the possibly dead stores to the cleanup dest
> slot.
> + // Clean up the possibly dead store to the cleanup dest slot.
> + llvm::Instruction *NormalCleanupDestSlot =
> + cast<llvm::Instruction>(getNormalCleanupDestSlot());
> + if (NormalCleanupDestSlot->hasOneUse()) {
> + NormalCleanupDestSlot->user_back()->eraseFromParent();
> + NormalCleanupDestSlot->eraseFromParent();
> + NormalCleanupDest = nullptr;
> + }
> +
> llvm::BasicBlock *BranchAfter = Scope.getBranchAfterBlock(0);
> InstsToAppend.push_back(llvm::BranchInst::Create(BranchAfter));
>
>
> Modified: cfe/trunk/lib/CodeGen/CGCleanup.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCleanup.h?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGCleanup.h (original)
> +++ cfe/trunk/lib/CodeGen/CGCleanup.h Fri Apr 10 05:13:52 2015
> @@ -62,6 +62,9 @@ protected:
> /// Whether this cleanup is currently active.
> unsigned IsActive : 1;
>
> + /// Whether this cleanup is a lifetime marker
> + unsigned IsLifetimeMarker : 1;
> +
> /// Whether the normal cleanup should test the activation flag.
> unsigned TestFlagInNormalCleanup : 1;
>
> @@ -75,7 +78,7 @@ protected:
> /// The number of fixups required by enclosing scopes (not including
> /// this one). If this is the top cleanup scope, all the fixups
> /// from this index onwards belong to this scope.
> - unsigned FixupDepth : 32 - 17 - NumCommonBits; // currently 13
> + unsigned FixupDepth : 32 - 18 - NumCommonBits; // currently 13
> };
>
> class FilterBitFields {
> @@ -272,6 +275,7 @@ public:
> CleanupBits.IsNormalCleanup = isNormal;
> CleanupBits.IsEHCleanup = isEH;
> CleanupBits.IsActive = isActive;
> + CleanupBits.IsLifetimeMarker = false;
> CleanupBits.TestFlagInNormalCleanup = false;
> CleanupBits.TestFlagInEHCleanup = false;
> CleanupBits.CleanupSize = cleanupSize;
> @@ -295,6 +299,9 @@ public:
> bool isActive() const { return CleanupBits.IsActive; }
> void setActive(bool A) { CleanupBits.IsActive = A; }
>
> + bool isLifetimeMarker() const { return CleanupBits.IsLifetimeMarker; }
> + void setLifetimeMarker() { CleanupBits.IsLifetimeMarker = true; }
> +
> llvm::AllocaInst *getActiveFlag() const { return ActiveFlag; }
> void setActiveFlag(llvm::AllocaInst *Var) { ActiveFlag = Var; }
>
>
> Modified: cfe/trunk/lib/CodeGen/CGDecl.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDecl.cpp?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGDecl.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGDecl.cpp Fri Apr 10 05:13:52 2015
> @@ -12,6 +12,7 @@
>
> //===----------------------------------------------------------------------===//
>
> #include "CodeGenFunction.h"
> +#include "CGCleanup.h"
> #include "CGDebugInfo.h"
> #include "CGOpenCLRuntime.h"
> #include "CodeGenModule.h"
> @@ -516,10 +517,7 @@ namespace {
> : Addr(addr), Size(size) {}
>
> void Emit(CodeGenFunction &CGF, Flags flags) override {
> - llvm::Value *castAddr = CGF.Builder.CreateBitCast(Addr,
> CGF.Int8PtrTy);
> - CGF.Builder.CreateCall2(CGF.CGM.getLLVMLifetimeEndFn(),
> - Size, castAddr)
> - ->setDoesNotThrow();
> + CGF.EmitLifetimeEnd(Size, Addr);
> }
> };
> }
> @@ -840,21 +838,6 @@ static bool shouldUseMemSetPlusStoresToI
> canEmitInitWithFewStoresAfterMemset(Init, StoreBudget);
> }
>
> -/// Should we use the LLVM lifetime intrinsics for the given local
> variable?
> -static bool shouldUseLifetimeMarkers(CodeGenFunction &CGF, const VarDecl
> &D,
> - unsigned Size) {
> - // For now, only in optimized builds.
> - if (CGF.CGM.getCodeGenOpts().OptimizationLevel == 0)
> - return false;
> -
> - // Limit the size of marked objects to 32 bytes. We don't want to
> increase
> - // compile time by marking tiny objects.
> - unsigned SizeThreshold = 32;
> -
> - return Size > SizeThreshold;
> -}
> -
> -
> /// EmitAutoVarDecl - Emit code and set up an entry in LocalDeclMap for a
> /// variable declaration with auto, register, or no storage class
> specifier.
> /// These turn into simple stack objects, or GlobalValues depending on
> target.
> @@ -864,6 +847,33 @@ void CodeGenFunction::EmitAutoVarDecl(co
> EmitAutoVarCleanups(emission);
> }
>
> +/// Emit a lifetime.begin marker if some criteria are satisfied.
> +/// \return a pointer to the temporary size Value if a marker was
> emitted, null
> +/// otherwise
> +llvm::Value *CodeGenFunction::EmitLifetimeStart(uint64_t Size,
> + llvm::Value *Addr) {
> + // For now, only in optimized builds.
> + if (CGM.getCodeGenOpts().OptimizationLevel == 0)
> + return nullptr;
> +
> + llvm::Value *SizeV = llvm::ConstantInt::get(Int64Ty, Size);
> + llvm::Value *Args[] = {
> + SizeV,
> + new llvm::BitCastInst(Addr, Int8PtrTy, "",
> Builder.GetInsertBlock())};
> + llvm::CallInst *C =
> llvm::CallInst::Create(CGM.getLLVMLifetimeStartFn(), Args,
> + "",
> Builder.GetInsertBlock());
> + C->setDoesNotThrow();
> + return SizeV;
> +}
> +
> +void CodeGenFunction::EmitLifetimeEnd(llvm::Value *Size, llvm::Value
> *Addr) {
> + llvm::Value *Args[] = {Size, new llvm::BitCastInst(Addr, Int8PtrTy, "",
> +
> Builder.GetInsertBlock())};
> + llvm::CallInst *C = llvm::CallInst::Create(CGM.getLLVMLifetimeEndFn(),
> Args,
> + "",
> Builder.GetInsertBlock());
> + C->setDoesNotThrow();
> +}
> +
> /// EmitAutoVarAlloca - Emit the alloca and debug information for a
> /// local variable. Does not emit initialization or destruction.
> CodeGenFunction::AutoVarEmission
> @@ -959,13 +969,8 @@ CodeGenFunction::EmitAutoVarAlloca(const
> // Emit a lifetime intrinsic if meaningful. There's no point
> // in doing this if we don't have a valid insertion point (?).
> uint64_t size = CGM.getDataLayout().getTypeAllocSize(LTy);
> - if (HaveInsertPoint() && shouldUseLifetimeMarkers(*this, D, size)) {
> - llvm::Value *sizeV = llvm::ConstantInt::get(Int64Ty, size);
> -
> - emission.SizeForLifetimeMarkers = sizeV;
> - llvm::Value *castAddr = Builder.CreateBitCast(Alloc, Int8PtrTy);
> - Builder.CreateCall2(CGM.getLLVMLifetimeStartFn(), sizeV, castAddr)
> - ->setDoesNotThrow();
> + if (HaveInsertPoint()) {
> + emission.SizeForLifetimeMarkers = EmitLifetimeStart(size, Alloc);
> } else {
> assert(!emission.useLifetimeMarkers());
> }
> @@ -1311,6 +1316,8 @@ void CodeGenFunction::EmitAutoVarCleanup
> EHStack.pushCleanup<CallLifetimeEnd>(NormalCleanup,
> emission.getAllocatedAddress(),
>
> emission.getSizeForLifetimeMarkers());
> + EHCleanupScope &cleanup = cast<EHCleanupScope>(*EHStack.begin());
> + cleanup.setLifetimeMarker();
> }
>
> // Check the type for a cleanup.
>
> Modified: cfe/trunk/lib/CodeGen/CodeGenFunction.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.cpp?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CodeGenFunction.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CodeGenFunction.cpp Fri Apr 10 05:13:52 2015
> @@ -12,6 +12,7 @@
>
> //===----------------------------------------------------------------------===//
>
> #include "CodeGenFunction.h"
> +#include "CGCleanup.h"
> #include "CGCUDARuntime.h"
> #include "CGCXXABI.h"
> #include "CGDebugInfo.h"
> @@ -243,12 +244,13 @@ void CodeGenFunction::FinishFunction(Sou
> // parameters. Do this in whatever block we're currently in; it's
> // important to do this before we enter the return block or return
> // edges will be *really* confused.
> - bool EmitRetDbgLoc = true;
> - if (EHStack.stable_begin() != PrologueCleanupDepth) {
> + bool HasCleanups = EHStack.stable_begin() != PrologueCleanupDepth;
> + bool HasOnlyLifetimeMarkers =
> + HasCleanups &&
> EHStack.containsOnlyLifetimeMarkers(PrologueCleanupDepth);
> + bool EmitRetDbgLoc = !HasCleanups || HasOnlyLifetimeMarkers;
> + if (HasCleanups) {
> // Make sure the line table doesn't jump back into the body for
> // the ret after it's been at EndLoc.
> - EmitRetDbgLoc = false;
> -
> if (CGDebugInfo *DI = getDebugInfo())
> if (OnlySimpleReturnStmts)
> DI->EmitLocation(Builder, EndLoc);
>
> Modified: cfe/trunk/lib/CodeGen/CodeGenFunction.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.h?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CodeGenFunction.h (original)
> +++ cfe/trunk/lib/CodeGen/CodeGenFunction.h Fri Apr 10 05:13:52 2015
> @@ -1741,6 +1741,9 @@ public:
> void EmitCXXTemporary(const CXXTemporary *Temporary, QualType TempType,
> llvm::Value *Ptr);
>
> + llvm::Value *EmitLifetimeStart(uint64_t Size, llvm::Value *Addr);
> + void EmitLifetimeEnd(llvm::Value *Size, llvm::Value *Addr);
> +
> llvm::Value *EmitCXXNewExpr(const CXXNewExpr *E);
> void EmitCXXDeleteExpr(const CXXDeleteExpr *E);
>
>
> Modified: cfe/trunk/lib/CodeGen/EHScopeStack.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/EHScopeStack.h?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/EHScopeStack.h (original)
> +++ cfe/trunk/lib/CodeGen/EHScopeStack.h Fri Apr 10 05:13:52 2015
> @@ -319,6 +319,10 @@ public:
> /// Pops a terminate handler off the stack.
> void popTerminate();
>
> + // Returns true iff the current scope is either empty or contains only
> + // lifetime markers, i.e. no real cleanup code
> + bool containsOnlyLifetimeMarkers(stable_iterator Old) const;
> +
> /// Determines whether the exception-scopes stack is empty.
> bool empty() const { return StartOfData == EndOfBuffer; }
>
>
> Added: cfe/trunk/test/CodeGen/cleanup-destslot-simple.c
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/cleanup-destslot-simple.c?rev=234581&view=auto
>
> ==============================================================================
> --- cfe/trunk/test/CodeGen/cleanup-destslot-simple.c (added)
> +++ cfe/trunk/test/CodeGen/cleanup-destslot-simple.c Fri Apr 10 05:13:52
> 2015
> @@ -0,0 +1,15 @@
> +// RUN: %clang_cc1 -O1 -triple x86_64-none-linux-gnu -emit-llvm
> -gline-tables-only %s -o - | FileCheck %s
> +
> +// There is no exception to handle here, lifetime.end is not a destructor,
> +// so there is no need have cleanup dest slot related code
> +// CHECK-LABEL: define i32 @test
> +int test() {
> + int x = 3;
> + int *volatile p = &x;
> + return *p;
> +// CHECK: [[X:%.*]] = alloca i32
> +// CHECK: [[P:%.*]] = alloca i32*
> +// CHECK: call void @llvm.lifetime.start(i64 4, i8* %{{.*}})
> +// CHECK: call void @llvm.lifetime.start(i64 8, i8* %{{.*}})
> +// CHECK-NOT: store i32 %{{.*}}, i32* %cleanup.dest.slot
> +}
>
> Added: cfe/trunk/test/CodeGen/lifetime-debuginfo-1.c
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/lifetime-debuginfo-1.c?rev=234581&view=auto
>
> ==============================================================================
> --- cfe/trunk/test/CodeGen/lifetime-debuginfo-1.c (added)
> +++ cfe/trunk/test/CodeGen/lifetime-debuginfo-1.c Fri Apr 10 05:13:52 2015
> @@ -0,0 +1,13 @@
> +// RUN: %clang_cc1 -O1 -triple x86_64-none-linux-gnu -emit-llvm
> -gline-tables-only %s -o - | FileCheck %s
> +
> +// Inserting lifetime markers should not affect debuginfo
> +
> +extern int x;
> +
> +// CHECK-LABEL: define i32 @f
> +int f() {
> + int *p = &x;
> +// CHECK: ret i32 %{{.*}}, !dbg [[DI:![0-9]*]]
> +// CHECK: [[DI]] = !MDLocation(line: [[@LINE+1]]
> + return *p;
> +}
>
> Added: cfe/trunk/test/CodeGen/lifetime-debuginfo-2.c
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/lifetime-debuginfo-2.c?rev=234581&view=auto
>
> ==============================================================================
> --- cfe/trunk/test/CodeGen/lifetime-debuginfo-2.c (added)
> +++ cfe/trunk/test/CodeGen/lifetime-debuginfo-2.c Fri Apr 10 05:13:52 2015
> @@ -0,0 +1,29 @@
> +// RUN: %clang_cc1 -O1 -triple x86_64-none-linux-gnu -emit-llvm
> -gline-tables-only %s -o - | FileCheck %s
> +
> +// Inserting lifetime markers should not affect debuginfo: lifetime.end
> is not
> +// a destructor, but instrumentation for the compiler. Ensure the debug
> info for
> +// the return statement (in the IR) does not point to the function
> closing '}'
> +// which is used to show some destructors have been called before leaving
> the
> +// function.
> +
> +extern int f(int);
> +extern int g(int);
> +
> +// CHECK-LABEL: define i32 @test
> +int test(int a, int b) {
> + int res;
> +
> + if (a==2) {
> + int r = f(b);
> + res = r + b;
> + a += 2;
> + } else {
> + int r = f(a);
> + res = r + a;
> + b += 1;
> + }
> +
> + return res;
> +// CHECK: ret i32 %{{.*}}, !dbg [[DI:![0-9]+]]
> +// CHECK: [[DI]] = !MDLocation(line: [[@LINE-2]]
> +}
>
> Modified: cfe/trunk/test/CodeGenCXX/destructors.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/destructors.cpp?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenCXX/destructors.cpp (original)
> +++ cfe/trunk/test/CodeGenCXX/destructors.cpp Fri Apr 10 05:13:52 2015
> @@ -279,6 +279,8 @@ namespace test5 {
> // CHECK5: [[ELEMS:%.*]] = alloca [5 x [[A:%.*]]], align
> // CHECK5-NEXT: [[EXN:%.*]] = alloca i8*
> // CHECK5-NEXT: [[SEL:%.*]] = alloca i32
> + // CHECK5-NEXT: [[PELEMS:%.*]] = bitcast [5 x [[A]]]* [[ELEMS]] to i8*
> + // CHECK5-NEXT: call void @llvm.lifetime.start(i64 5, i8* [[PELEMS]])
> // CHECK5-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [5 x [[A]]], [5
> x [[A]]]* [[ELEMS]], i32 0, i32 0
> // CHECK5-NEXT: [[END:%.*]] = getelementptr inbounds [[A]], [[A]]*
> [[BEGIN]], i64 5
> // CHECK5-NEXT: br label
> @@ -287,7 +289,8 @@ namespace test5 {
> // CHECK5-NEXT: invoke void @_ZN5test51AD1Ev([[A]]* [[ELT]])
> // CHECK5: [[T0:%.*]] = icmp eq [[A]]* [[ELT]], [[BEGIN]]
> // CHECK5-NEXT: br i1 [[T0]],
> - // CHECK5: ret void
> + // CHECK5: call void @llvm.lifetime.end
> + // CHECK5-NEXT: ret void
> // lpad
> // CHECK5: [[EMPTY:%.*]] = icmp eq [[A]]* [[BEGIN]], [[ELT]]
> // CHECK5-NEXT: br i1 [[EMPTY]]
>
> Modified: cfe/trunk/test/CodeGenCXX/nrvo.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/nrvo.cpp?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenCXX/nrvo.cpp (original)
> +++ cfe/trunk/test/CodeGenCXX/nrvo.cpp Fri Apr 10 05:13:52 2015
> @@ -54,16 +54,22 @@ X test2(bool B) {
> return x;
>
> // CHECK: call {{.*}} @_ZN1XC1Ev
> + // CHECK-NEXT: {{.*}} getelementptr inbounds %class.X, %class.X* %y,
> i32 0, i32 0
> + // CHECK-NEXT: call void @llvm.lifetime.start
> // CHECK-NEXT: call {{.*}} @_ZN1XC1Ev
> // CHECK: call {{.*}} @_ZN1XC1ERKS_
> // CHECK: call {{.*}} @_ZN1XC1ERKS_
> // CHECK: call {{.*}} @_ZN1XD1Ev
> + // CHECK-NEXT: call void @llvm.lifetime.end
> // CHECK: call {{.*}} @_ZN1XD1Ev
> + // CHECK-NEXT: call void @llvm.lifetime.end
> // CHECK: ret void
>
> // The block ordering in the -fexceptions IR is unfortunate.
>
> - // CHECK-EH: call {{.*}} @_ZN1XC1Ev
> + // CHECK-EH: call void @llvm.lifetime.start
> + // CHECK-EH-NEXT: call {{.*}} @_ZN1XC1Ev
> + // CHECK-EH: call void @llvm.lifetime.start
> // CHECK-EH-NEXT: invoke {{.*}} @_ZN1XC1Ev
> // -> %invoke.cont, %lpad
>
> @@ -96,7 +102,9 @@ X test2(bool B) {
> // -> %invoke.cont11, %lpad
>
> // %invoke.cont11: normal cleanup for 'x'
> - // CHECK-EH: call {{.*}} @_ZN1XD1Ev
> + // CHECK-EH: call void @llvm.lifetime.end
> + // CHECK-EH-NEXT: call {{.*}} @_ZN1XD1Ev
> + // CHECK-EH-NEXT: call void @llvm.lifetime.end
> // CHECK-EH-NEXT: ret void
>
> // %eh.cleanup: EH cleanup for 'x'
> @@ -168,9 +176,12 @@ X test6() {
> X a __attribute__((aligned(8)));
> return a;
> // CHECK: [[A:%.*]] = alloca [[X:%.*]], align 8
> + // CHECK-NEXT: [[PTR:%.*]] = getelementptr inbounds %class.X, %class.X*
> [[A]], i32 0, i32 0
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 1, i8* [[PTR]])
> // CHECK-NEXT: call {{.*}} @_ZN1XC1Ev([[X]]* [[A]])
> // CHECK-NEXT: call {{.*}} @_ZN1XC1ERKS_([[X]]* {{%.*}}, [[X]]*
> dereferenceable({{[0-9]+}}) [[A]])
> // CHECK-NEXT: call {{.*}} @_ZN1XD1Ev([[X]]* [[A]])
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 1, i8* [[PTR]])
> // CHECK-NEXT: ret void
> }
>
>
> Modified: cfe/trunk/test/CodeGenObjC/arc-blocks.m
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjC/arc-blocks.m?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjC/arc-blocks.m (original)
> +++ cfe/trunk/test/CodeGenObjC/arc-blocks.m Fri Apr 10 05:13:52 2015
> @@ -74,6 +74,8 @@ void test3(void (^sink)(id*)) {
> // CHECK-NEXT: call i8* @objc_retain(
> // CHECK-NEXT: bitcast i8*
> // CHECK-NEXT: store void (i8**)* {{%.*}}, void (i8**)** [[SINK]]
> + // CHECK-NEXT: [[STRONGPTR1:%.*]] = bitcast i8** [[STRONG]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[STRONGPTR1]])
> // CHECK-NEXT: store i8* null, i8** [[STRONG]]
>
> // CHECK-NEXT: load void (i8**)*, void (i8**)** [[SINK]]
> @@ -94,6 +96,8 @@ void test3(void (^sink)(id*)) {
>
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[STRONG]]
> // CHECK-NEXT: call void @objc_release(i8* [[T0]])
> + // CHECK-NEXT: [[STRONGPTR2:%.*]] = bitcast i8** [[STRONG]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[STRONGPTR2]])
>
> // CHECK-NEXT: load void (i8**)*, void (i8**)** [[SINK]]
> // CHECK-NEXT: bitcast
> @@ -167,6 +171,8 @@ void test5(void) {
> // CHECK-LABEL: define void @test5()
> // CHECK: [[VAR:%.*]] = alloca i8*
> // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
> + // CHECK-NEXT: [[VARPTR1:%.*]] = bitcast i8** [[VAR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[VARPTR1]])
> // CHECK: [[T0:%.*]] = call i8* @test5_source()
> // CHECK-NEXT: [[T1:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[T0]])
> // CHECK-NEXT: store i8* [[T1]], i8** [[VAR]],
> @@ -178,6 +184,8 @@ void test5(void) {
> // CHECK-NEXT: store i8* [[T0]], i8** [[CAPTURE]]
> // CHECK-NEXT: [[T0:%.*]] = bitcast [[BLOCK_T]]* [[BLOCK]] to
> // CHECK: call void @test5_helper
> + // CHECK-NEXT: [[VARPTR2:%.*]] = bitcast i8** [[VAR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[VARPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -190,6 +198,8 @@ void test6(void) {
> // CHECK-LABEL: define void @test6()
> // CHECK: [[VAR:%.*]] = alloca [[BYREF_T:%.*]],
> // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
> + // CHECK-NEXT: [[VARPTR1:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 48, i8* [[VARPTR1]])
> // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]],
> [[BYREF_T]]* [[VAR]], i32 0, i32 2
> // 0x02000000 - has copy/dispose helpers weak
> // CHECK-NEXT: store i32 1107296256, i32* [[T0]]
> @@ -207,7 +217,9 @@ void test6(void) {
> // CHECK: [[T0:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8*
> // CHECK-NEXT: call void @_Block_object_dispose(i8* [[T0]], i32 8)
> // CHECK-NEXT: call void @objc_destroyWeak(i8** [[SLOT]])
> - // CHECK: ret void
> + // CHECK-NEXT: [[VARPTR2:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 48, i8* [[VARPTR2]])
> + // CHECK-NEXT: ret void
>
> // CHECK-LABEL: define internal void @__Block_byref_object_copy_
> // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]],
> [[BYREF_T]]* {{%.*}}, i32 0, i32 6
> @@ -494,6 +506,8 @@ void test13(id x) {
> // CHECK-NEXT: [[CLEANUP_ACTIVE:%.*]] = alloca i1
> // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* {{%.*}})
> // CHECK-NEXT: store i8* [[T0]], i8** [[X]], align 8
> + // CHECK-NEXT: [[BPTR1:%.*]] = bitcast void ()** [[B]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[BPTR1]])
> // CHECK-NEXT: [[CLEANUP_ADDR:%.*]] = getelementptr inbounds
> [[BLOCK_T]], [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]], align 8
> // CHECK-NEXT: [[T1:%.*]] = icmp ne i8* [[T0]], null
> @@ -519,6 +533,8 @@ void test13(id x) {
> // CHECK-NEXT: [[T0:%.*]] = load void ()*, void ()** [[B]]
> // CHECK-NEXT: [[T1:%.*]] = bitcast void ()* [[T0]] to i8*
> // CHECK-NEXT: call void @objc_release(i8* [[T1]])
> + // CHECK-NEXT: [[BPTR2:%.*]] = bitcast void ()** [[B]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[BPTR2]])
>
> // CHECK-NEXT: [[T0:%.*]] = load i1, i1* [[CLEANUP_ACTIVE]]
> // CHECK-NEXT: br i1 [[T0]]
> @@ -550,6 +566,8 @@ void test16() {
> // CHECK-LABEL: define void @test16(
> // CHECK: [[BLKVAR:%.*]] = alloca void ()*, align 8
> // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
> + // CHECK-NEXT: [[BLKVARPTR1:%.*]] = bitcast void ()** [[BLKVAR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8*
> [[BLKVARPTR1]])
> // CHECK-NEXT: [[SLOTREL:%.*]] = getelementptr inbounds [[BLOCK_T]],
> [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
> // CHECK-NEXT: store void ()* null, void ()** [[BLKVAR]], align 8
> }
>
> Modified: cfe/trunk/test/CodeGenObjC/arc-bridged-cast.m
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjC/arc-bridged-cast.m?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjC/arc-bridged-cast.m (original)
> +++ cfe/trunk/test/CodeGenObjC/arc-bridged-cast.m Fri Apr 10 05:13:52 2015
> @@ -31,6 +31,8 @@ void bridge_transfer_from_cf(int *i) {
> // CHECK: store i32 17
> *i = 17;
> // CHECK: call void @objc_release
> + // CHECK-NEXT: bitcast
> + // CHECK-NEXT: call void @llvm.lifetime.end
> // CHECK-NEXT: ret void
> }
>
> @@ -50,6 +52,8 @@ void bridge_from_cf(int *i) {
> // CHECK: store i32 17
> *i = 17;
> // CHECK: call void @objc_release
> + // CHECK-NEXT: bitcast
> + // CHECK-NEXT: call void @llvm.lifetime.end
> // CHECK-NEXT: ret void
> }
>
> @@ -67,6 +71,8 @@ void bridge_retained_of_cf(int *i) {
> // CHECK: store i32 13
> // CHECK: store i32 17
> *i = 17;
> + // CHECK-NEXT: bitcast
> + // CHECK-NEXT: call void @llvm.lifetime.end
> // CHECK-NEXT: ret void
> }
>
> @@ -74,7 +80,8 @@ void bridge_retained_of_cf(int *i) {
> void bridge_of_cf(int *i) {
> // CHECK: store i32 7
> *i = 7;
> - // CHECK: call i8* @CreateSomething()
> + // CHECK: call void @llvm.lifetime.start
> + // CHECK-NEXT: call i8* @CreateSomething()
> CFTypeRef cf1 = (__bridge CFTypeRef)CreateSomething();
> // CHECK-NOT: retain
> // CHECK: store i32 11
> @@ -85,6 +92,8 @@ void bridge_of_cf(int *i) {
> // CHECK-NOT: release
> // CHECK: store i32 17
> *i = 17;
> + // CHECK-NEXT: bitcast
> + // CHECK-NEXT: call void @llvm.lifetime.end
> // CHECK-NEXT: ret void
> }
>
>
> Modified: cfe/trunk/test/CodeGenObjC/arc-literals.m
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjC/arc-literals.m?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjC/arc-literals.m (original)
> +++ cfe/trunk/test/CodeGenObjC/arc-literals.m Fri Apr 10 05:13:52 2015
> @@ -27,9 +27,13 @@ void test_numeric() {
> // CHECK: call i8* @objc_retainAutoreleasedReturnValue
> id charlit = @'a';
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK-NEXT: ret void
> }
>
>
> Modified: cfe/trunk/test/CodeGenObjC/arc-precise-lifetime.m
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjC/arc-precise-lifetime.m?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjC/arc-precise-lifetime.m (original)
> +++ cfe/trunk/test/CodeGenObjC/arc-precise-lifetime.m Fri Apr 10 05:13:52
> 2015
> @@ -7,6 +7,8 @@ void test0() {
> PRECISE_LIFETIME id x = test0_helper();
> x = 0;
> // CHECK: [[X:%.*]] = alloca i8*
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: [[CALL:%.*]] = call i8* @test0_helper()
> // CHECK-NEXT: store i8* [[CALL]], i8** [[X]]
>
> @@ -19,6 +21,8 @@ void test0() {
> // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW:#[0-9]+]]
> // CHECK-NOT: clang.imprecise_release
>
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -32,11 +36,17 @@ extern Test1 *test1_helper(void);
>
> // CHECK-LABEL: define void @test1a()
> void test1a(void) {
> + // CHECK: [[PTR:%.*]] = alloca [[PTR_T:%.*]]*, align 8
> + // CHECK: [[C:%.*]] = alloca i8*, align 8
> + // CHECK: [[PTRPTR1:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
> + // CHECK: call void @llvm.lifetime.start(i64 8, i8* [[PTRPTR1]])
> // CHECK: [[T0:%.*]] = call [[TEST1:%.*]]* @test1_helper()
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: [[T2:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[T1]])
> // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST1]]*
> // CHECK-NEXT: store [[TEST1]]* [[T3]]
> + // CHECK-NEXT: [[CPTR1:%.*]] = bitcast i8** [[C]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[CPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutorelease(i8* [[T1]])
> @@ -45,9 +55,13 @@ void test1a(void) {
> // CHECK-NEXT: [[T5:%.*]] = bitcast [[TEST1]]* [[T3]] to i8*
> // CHECK-NEXT: [[T6:%.*]] = call i8* bitcast
> // CHECK-NEXT: store i8* [[T6]], i8**
> + // CHECK-NEXT: [[CPTR2:%.*]] = bitcast i8** [[C]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[CPTR2]])
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]],
> !clang.imprecise_release
> + // CHECK-NEXT: [[PTRPTR2:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTRPTR2]])
> // CHECK-NEXT: ret void
> Test1 *ptr = test1_helper();
> char *c = [(ptr) interior];
> @@ -55,31 +69,47 @@ void test1a(void) {
>
> // CHECK-LABEL: define void @test1b()
> void test1b(void) {
> + // CHECK: [[PTR:%.*]] = alloca [[PTR_T:%.*]]*, align 8
> + // CHECK: [[C:%.*]] = alloca i8*, align 8
> + // CHECK: [[PTRPTR1:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
> + // CHECK: call void @llvm.lifetime.start(i64 8, i8* [[PTRPTR1]])
> // CHECK: [[T0:%.*]] = call [[TEST1:%.*]]* @test1_helper()
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: [[T2:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[T1]])
> // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST1]]*
> // CHECK-NEXT: store [[TEST1]]* [[T3]]
> + // CHECK-NEXT: [[CPTR1:%.*]] = bitcast i8** [[C]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[CPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
> // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_
> // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: [[T3:%.*]] = call i8* bitcast
> // CHECK-NEXT: store i8* [[T3]], i8**
> + // CHECK-NEXT: [[CPTR2:%.*]] = bitcast i8** [[C]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[CPTR2]])
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]]
> // CHECK-NOT: clang.imprecise_release
> + // CHECK-NEXT: [[PTRPTR2:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTRPTR2]])
> // CHECK-NEXT: ret void
> __attribute__((objc_precise_lifetime)) Test1 *ptr = test1_helper();
> char *c = [ptr interior];
> }
>
> void test1c(void) {
> + // CHECK: [[PTR:%.*]] = alloca [[PTR_T:%.*]]*, align 8
> + // CHECK: [[PC:%.*]] = alloca i8*, align 8
> + // CHECK: [[PTRPTR1:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
> + // CHECK: call void @llvm.lifetime.start(i64 8, i8* [[PTRPTR1]])
> // CHECK: [[T0:%.*]] = call [[TEST1:%.*]]* @test1_helper()
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: [[T2:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[T1]])
> // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST1]]*
> // CHECK-NEXT: store [[TEST1]]* [[T3]]
> + // CHECK-NEXT: [[PCPTR1:%.*]] = bitcast i8** [[PC]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[PCPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutorelease(i8* [[T1]])
> @@ -88,20 +118,30 @@ void test1c(void) {
> // CHECK-NEXT: [[T5:%.*]] = bitcast [[TEST1]]* [[T3]] to i8*
> // CHECK-NEXT: [[T6:%.*]] = call i8* bitcast
> // CHECK-NEXT: store i8* [[T6]], i8**
> + // CHECK-NEXT: [[PCPTR2:%.*]] = bitcast i8** [[PC]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PCPTR2]])
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]],
> !clang.imprecise_release
> + // CHECK-NEXT: [[PTRPTR2:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTRPTR2]])
> // CHECK-NEXT: ret void
> Test1 *ptr = test1_helper();
> char *pc = ptr.PropertyReturnsInnerPointer;
> }
>
> void test1d(void) {
> + // CHECK: [[PTR:%.*]] = alloca [[PTR_T:%.*]]*, align 8
> + // CHECK: [[PC:%.*]] = alloca i8*, align 8
> + // CHECK: [[PTRPTR1:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
> + // CHECK: call void @llvm.lifetime.start(i64 8, i8* [[PTRPTR1]])
> // CHECK: [[T0:%.*]] = call [[TEST1:%.*]]* @test1_helper()
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: [[T2:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[T1]])
> // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST1]]*
> // CHECK-NEXT: store [[TEST1]]* [[T3]]
> + // CHECK-NEXT: [[PCPTR1:%.*]] = bitcast i8** [[PC]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[PCPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
> // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
> // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retainAutorelease
> @@ -110,9 +150,13 @@ void test1d(void) {
> // CHECK-NEXT: [[EIGHT:%.*]] = bitcast [[TEST1]]* [[SIX]] to i8*
> // CHECK-NEXT: [[CALL1:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)*
> @objc_msgSend to i8* (i8*, i8*)*)(i8* [[EIGHT]], i8* [[SEVEN]])
> // CHECK-NEXT: store i8* [[CALL1]], i8**
> + // CHECK-NEXT: [[PCPTR2:%.*]] = bitcast i8** [[PC]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PCPTR2]])
> // CHECK-NEXT: [[NINE:%.*]] = load [[TEST1]]*, [[TEST1]]**
> // CHECK-NEXT: [[TEN:%.*]] = bitcast [[TEST1]]* [[NINE]] to i8*
> // CHECK-NEXT: call void @objc_release(i8* [[TEN]])
> + // CHECK-NEXT: [[PTRPTR2:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTRPTR2]])
> // CHECK-NEXT: ret void
> __attribute__((objc_precise_lifetime)) Test1 *ptr = test1_helper();
> char *pc = ptr.PropertyReturnsInnerPointer;
>
> Modified: cfe/trunk/test/CodeGenObjC/arc-ternary-op.m
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjC/arc-ternary-op.m?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjC/arc-ternary-op.m (original)
> +++ cfe/trunk/test/CodeGenObjC/arc-ternary-op.m Fri Apr 10 05:13:52 2015
> @@ -10,6 +10,8 @@ void test0(_Bool cond) {
> // CHECK-NEXT: [[RELCOND:%.*]] = alloca i1
> // CHECK-NEXT: zext
> // CHECK-NEXT: store
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = load i8, i8* [[COND]]
> // CHECK-NEXT: [[T1:%.*]] = trunc i8 [[T0]] to i1
> // CHECK-NEXT: store i1 false, i1* [[RELCOND]]
> @@ -29,6 +31,8 @@ void test0(_Bool cond) {
> // CHECK-NEXT: br label
> // CHECK: [[T0:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]]
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> id x = (cond ? 0 : test0_helper());
> }
> @@ -49,7 +53,11 @@ void test1(int cond) {
> // CHECK-NEXT: [[CONDCLEANUPSAVE:%.*]] = alloca i8*
> // CHECK-NEXT: [[CONDCLEANUP:%.*]] = alloca i1
> // CHECK-NEXT: store i32
> + // CHECK-NEXT: [[STRONGPTR1:%.*]] = bitcast i8** [[STRONG]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[STRONGPTR1]])
> // CHECK-NEXT: store i8* null, i8** [[STRONG]]
> + // CHECK-NEXT: [[WEAKPTR1:%.*]] = bitcast i8** [[WEAK]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[WEAKPTR1]])
> // CHECK-NEXT: call i8* @objc_initWeak(i8** [[WEAK]], i8* null)
>
> // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[COND]]
> @@ -93,6 +101,10 @@ void test1(int cond) {
> // CHECK-NEXT: br label
>
> // CHECK: call void @objc_destroyWeak(i8** [[WEAK]])
> + // CHECK: [[WEAKPTR2:%.*]] = bitcast i8** [[WEAK]] to i8*
> + // CHECK: call void @llvm.lifetime.end(i64 8, i8* [[WEAKPTR2]])
> + // CHECK: [[STRONGPTR2:%.*]] = bitcast i8** [[STRONG]] to i8*
> + // CHECK: call void @llvm.lifetime.end(i64 8, i8* [[STRONGPTR2]])
> // CHECK: ret void
> }
>
>
> Modified: cfe/trunk/test/CodeGenObjC/arc.m
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjC/arc.m?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjC/arc.m (original)
> +++ cfe/trunk/test/CodeGenObjC/arc.m Fri Apr 10 05:13:52 2015
> @@ -46,15 +46,17 @@ void test0(id x) {
> id test1(id x) {
> // CHECK: [[X:%.*]] = alloca i8*
> // CHECK-NEXT: [[Y:%.*]] = alloca i8*
> - // CHECK-NEXT: alloca i32
> // CHECK-NEXT: [[PARM:%.*]] = call i8* @objc_retain(i8* {{%.*}})
> // CHECK-NEXT: store i8* [[PARM]], i8** [[X]]
> + // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[YPTR1]])
> // CHECK-NEXT: store i8* null, i8** [[Y]]
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]]
> // CHECK-NEXT: [[RET:%.*]] = call i8* @objc_retain(i8* [[T0]])
> - // CHECK-NEXT: store i32
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]]
> // CHECK-NEXT: call void @objc_release(i8* [[T0]])
> + // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[YPTR2]])
> // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[T1]])
> // CHECK-NEXT: [[T1:%.*]] = tail call i8*
> @objc_autoreleaseReturnValue(i8* [[RET]])
> @@ -99,6 +101,8 @@ void test3_unelided() {
> extern void test3_helper(void);
>
> // CHECK: [[X:%.*]] = alloca [[TEST3:%.*]]*
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast [[TEST3]]** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: store [[TEST3]]* null, [[TEST3]]** [[X]], align
> Test3 *x;
>
> @@ -122,12 +126,16 @@ void test3_unelided() {
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST3]]*, [[TEST3]]** [[X]]
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST3]]* [[T0]] to i8*
> // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]]
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast [[TEST3]]** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> // CHECK-LABEL: define void @test3()
> void test3() {
> // CHECK: [[X:%.*]] = alloca i8*
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
>
> id x = [[Test3 alloc] initWith: 5];
>
> @@ -162,7 +170,8 @@ void test3() {
> // Cleanup for x.
> // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) [[NUW]]
> -
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -244,10 +253,14 @@ id test6_helper(void) __attribute__((ns_
> // CHECK-LABEL: define void @test6()
> void test6() {
> // CHECK: [[X:%.*]] = alloca i8*
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: [[CALL:%.*]] = call i8* @test6_helper()
> // CHECK-NEXT: store i8* [[CALL]], i8** [[X]]
> // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]],
> !clang.imprecise_release
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> id x = test6_helper();
> }
> @@ -256,12 +269,16 @@ void test7_helper(id __attribute__((ns_c
> // CHECK-LABEL: define void @test7()
> void test7() {
> // CHECK: [[X:%.*]] = alloca i8*
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: store i8* null, i8** [[X]]
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) [[NUW]]
> // CHECK-NEXT: call void @test7_helper(i8* [[T1]])
> // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]],
> !clang.imprecise_release
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> id x;
> test7_helper(x);
> @@ -271,9 +288,13 @@ id test8_helper(void) __attribute__((ns_
> void test8() {
> __unsafe_unretained id x = test8_helper();
> // CHECK: [[X:%.*]] = alloca i8*
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = call i8* @test8_helper()
> // CHECK-NEXT: store i8* [[T0]], i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]],
> !clang.imprecise_release
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -287,7 +308,11 @@ void test10() {
> // CHECK-LABEL: define void @test10()
> // CHECK: [[X:%.*]] = alloca [[TEST10:%.*]]*, align
> // CHECK-NEXT: [[Y:%.*]] = alloca i8*, align
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast [[TEST10]]** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: store [[TEST10]]* null, [[TEST10]]** [[X]]
> + // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[YPTR1]])
> // CHECK-NEXT: load [[TEST10]]*, [[TEST10]]** [[X]], align
> // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_{{[0-9]*}}
> // CHECK-NEXT: bitcast
> @@ -307,9 +332,13 @@ void test10() {
> // CHECK-NEXT: call void @objc_release(i8* [[T0]])
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]]
> // CHECK-NEXT: call void @objc_release(i8* [[T0]])
> + // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8*
> + // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[YPTR2]])
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST10]]*, [[TEST10]]** [[X]]
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST10]]* [[T0]] to i8*
> // CHECK-NEXT: call void @objc_release(i8* [[T1]])
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast [[TEST10]]** [[X]] to i8*
> + // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -318,11 +347,15 @@ void test11(id (*f)(void) __attribute__(
> // CHECK: [[F:%.*]] = alloca i8* ()*, align
> // CHECK-NEXT: [[X:%.*]] = alloca i8*, align
> // CHECK-NEXT: store i8* ()* {{%.*}}, i8* ()** [[F]], align
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = load i8* ()*, i8* ()** [[F]], align
> // CHECK-NEXT: [[T1:%.*]] = call i8* [[T0]]()
> // CHECK-NEXT: store i8* [[T1]], i8** [[X]], align
> // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[T3]]) [[NUW]],
> !clang.imprecise_release
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> id x = f();
> }
> @@ -335,6 +368,8 @@ void test12(void) {
> // CHECK-NEXT: [[Y:%.*]] = alloca i8*, align
>
> __weak id x = test12_helper();
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = call i8* @test12_helper()
> // CHECK-NEXT: [[T1:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[T0]])
> // CHECK-NEXT: call i8* @objc_initWeak(i8** [[X]], i8* [[T1]])
> @@ -347,12 +382,18 @@ void test12(void) {
> // CHECK-NEXT: call void @objc_release(i8* [[T1]])
>
> id y = x;
> + // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[YPTR1]])
> // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_loadWeakRetained(i8** [[X]])
> // CHECK-NEXT: store i8* [[T2]], i8** [[Y]], align
>
> // CHECK-NEXT: [[T4:%.*]] = load i8*, i8** [[Y]]
> // CHECK-NEXT: call void @objc_release(i8* [[T4]]) [[NUW]],
> !clang.imprecise_release
> + // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8*
> + // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[YPTR2]])
> // CHECK-NEXT: call void @objc_destroyWeak(i8** [[X]])
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK: ret void
> }
>
> @@ -360,6 +401,8 @@ void test12(void) {
> void test13(void) {
> // CHECK-LABEL: define void @test13()
> // CHECK: [[X:%.*]] = alloca i8*, align
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: store i8* null, i8** [[X]], align
> id x;
>
> @@ -385,6 +428,8 @@ void test13(void) {
>
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]]
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -617,7 +662,6 @@ void test21(unsigned n) {
> // CHECK: define internal i8* @"\01-[Test27 init]"
> // CHECK: [[SELF:%.*]] = alloca [[TEST27:%.*]]*,
> // CHECK-NEXT: [[CMD:%.*]] = alloca i8*,
> -// CHECK-NEXT: [[DEST:%.*]] = alloca i32
> // CHECK-NEXT: store [[TEST27]]* {{%.*}}, [[TEST27]]** [[SELF]]
> // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST27]]*, [[TEST27]]** [[SELF]]
> @@ -625,7 +669,6 @@ void test21(unsigned n) {
> // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]])
> // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST27]]*
> // CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST27]]* [[T3]] to i8*
> -// CHECK-NEXT: store i32 {{[0-9]+}}, i32* [[DEST]]
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST27]]*, [[TEST27]]** [[SELF]]
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST27]]* [[T0]] to i8*
> // CHECK-NEXT: call void @objc_release(i8* [[T1]])
> @@ -662,7 +705,6 @@ static id _test29_allocator = 0;
> // CHECK: define internal i8* @"\01-[Test29 init]"([[TEST29:%[^*]*]]*
> {{%.*}},
> // CHECK: [[SELF:%.*]] = alloca [[TEST29]]*, align 8
> // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align 8
> -// CHECK-NEXT: [[CLEANUP:%.*]] = alloca i32
> // CHECK-NEXT: store [[TEST29]]* {{%.*}}, [[TEST29]]** [[SELF]]
> // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
>
> @@ -691,7 +733,6 @@ static id _test29_allocator = 0;
> // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* [[CALL]]) [[NUW]]
> // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST29]]*
> // CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST29]]* [[T1]] to i8*
> -// CHECK-NEXT: store i32 1, i32* [[CLEANUP]]
>
> // Cleanup.
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]]
> @@ -708,7 +749,6 @@ static id _test29_allocator = 0;
> // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align 8
> // CHECK-NEXT: [[ALLOCATOR:%.*]] = alloca i8*, align 8
> // CHECK-NEXT: alloca
> -// CHECK-NEXT: [[CLEANUP:%.*]] = alloca i32
> // CHECK-NEXT: store [[TEST29]]* {{%.*}}, [[TEST29]]** [[SELF]]
> // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
> // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* {{%.*}})
> @@ -747,7 +787,6 @@ static id _test29_allocator = 0;
> // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* [[T1]]) [[NUW]]
> // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST29]]*
> // CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST29]]* [[T1]] to i8*
> -// CHECK-NEXT: store i32 1, i32* [[CLEANUP]]
>
> // Cleanup.
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[ALLOCATOR]]
> @@ -776,7 +815,6 @@ char *helper;
> // CHECK: define internal i8* @"\01-[Test30 init]"([[TEST30:%[^*]*]]*
> {{%.*}},
> // CHECK: [[RET:%.*]] = alloca [[TEST30]]*
> // CHECK-NEXT: alloca i8*
> -// CHECK-NEXT: alloca i32
> // CHECK-NEXT: store [[TEST30]]* {{%.*}}, [[TEST30]]** [[SELF]]
> // CHECK-NEXT: store
>
> @@ -804,7 +842,6 @@ char *helper;
> // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* [[T1]])
> // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST30]]*
> // CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST30]]* [[T1]] to i8*
> -// CHECK-NEXT: store i32 1
>
> // Cleanup.
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST30]]*, [[TEST30]]** [[SELF]]
> @@ -863,6 +900,8 @@ void test33(Test33 *ptr) {
> // CHECK-NEXT: objc_retain
> // CHECK-NEXT: bitcast
> // CHECK-NEXT: store
> + // CHECK-NEXT: bitcast
> + // CHECK-NEXT: call void @llvm.lifetime.start
> // CHECK-NEXT: store [[A_T]]* null, [[A_T]]** [[A]]
>
> // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]]
> @@ -925,6 +964,8 @@ void test33(Test33 *ptr) {
> // CHECK-NEXT: load
> // CHECK-NEXT: bitcast
> // CHECK-NEXT: objc_release
> + // CHECK-NEXT: bitcast
> + // CHECK-NEXT: call void @llvm.lifetime.end
> // CHECK-NEXT: load
> // CHECK-NEXT: bitcast
> // CHECK-NEXT: objc_release
> @@ -963,6 +1004,8 @@ void test37(void) {
> // CHECK-LABEL: define void @test37()
> // CHECK: [[VAR:%.*]] = alloca [[TEST37:%.*]]*,
> // CHECK-NEXT: [[TEMP:%.*]] = alloca i8*
> + // CHECK-NEXT: [[VARPTR1:%.*]] = bitcast [[TEST37]]** [[VAR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[VARPTR1]])
> // CHECK-NEXT: store [[TEST37]]* null, [[TEST37]]** [[VAR]]
>
> // CHECK-NEXT: [[W0:%.*]] = load [[TEST37]]*, [[TEST37]]** [[VAR]]
> @@ -983,6 +1026,8 @@ void test37(void) {
> // CHECK-NEXT: [[T0:%.*]] = load [[TEST37]]*, [[TEST37]]** [[VAR]]
> // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST37]]* [[T0]] to i8*
> // CHECK-NEXT: call void @objc_release(i8* [[T1]])
> + // CHECK-NEXT: [[VARPTR2:%.*]] = bitcast [[TEST37]]** [[VAR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[VARPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -1039,6 +1084,8 @@ void test47(void) {
>
> // CHECK-LABEL: define void @test47()
> // CHECK: [[X:%.*]] = alloca i8*
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: store i8* null, i8** [[X]]
> // CHECK-NEXT: [[CALL:%.*]] = call i8* @test47_helper()
> // CHECK-NEXT: [[T0:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[CALL]])
> @@ -1051,6 +1098,8 @@ void test47(void) {
> // CHECK-NEXT: call void @objc_release(i8* [[T3]])
> // CHECK-NEXT: [[T4:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[T4]])
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -1059,6 +1108,8 @@ void test48(void) {
> __weak id x = x = test48_helper();
> // CHECK-LABEL: define void @test48()
> // CHECK: [[X:%.*]] = alloca i8*
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_initWeak(i8** [[X]], i8*
> null)
> // CHECK-NEXT: [[T1:%.*]] = call i8* @test48_helper()
> // CHECK-NEXT: [[T2:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[T1]])
> @@ -1066,6 +1117,8 @@ void test48(void) {
> // CHECK-NEXT: [[T4:%.*]] = call i8* @objc_storeWeak(i8** [[X]], i8*
> [[T3]])
> // CHECK-NEXT: call void @objc_release(i8* [[T2]])
> // CHECK-NEXT: call void @objc_destroyWeak(i8** [[X]])
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -1074,6 +1127,8 @@ void test49(void) {
> __autoreleasing id x = x = test49_helper();
> // CHECK-LABEL: define void @test49()
> // CHECK: [[X:%.*]] = alloca i8*
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK-NEXT: store i8* null, i8** [[X]]
> // CHECK-NEXT: [[CALL:%.*]] = call i8* @test49_helper()
> // CHECK-NEXT: [[T0:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[CALL]])
> @@ -1081,6 +1136,8 @@ void test49(void) {
> // CHECK-NEXT: store i8* [[T2]], i8** [[X]]
> // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retainAutorelease(i8* [[T1]])
> // CHECK-NEXT: store i8* [[T3]], i8** [[X]]
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -1116,10 +1173,14 @@ id test52(void) {
> // CHECK-LABEL: define i8* @test52()
> // CHECK: [[X:%.*]] = alloca i32
> // CHECK-NEXT: [[TMPALLOCA:%.*]] = alloca i8*
> +// CHECK-NEXT: [[XPTR1:%.*]] = bitcast i32* [[X]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.start(i64 4, i8* [[XPTR1]])
> // CHECK-NEXT: store i32 5, i32* [[X]],
> // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[X]],
> // CHECK-NEXT: [[T1:%.*]] = call i8* @test52_helper(i32 [[T0]])
> // CHECK-NEXT: store i8* [[T1]], i8** [[TMPALLOCA]]
> +// CHECK-NEXT: [[XPTR2:%.*]] = bitcast i32* [[X]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.end(i64 4, i8* [[XPTR2]])
> // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[TMPALLOCA]]
> // CHECK-NEXT: [[T3:%.*]] = tail call i8*
> @objc_autoreleaseReturnValue(i8* [[T2]])
> // CHECK-NEXT: ret i8* [[T3]]
> @@ -1134,6 +1195,10 @@ void test53(void) {
> // CHECK: [[X:%.*]] = alloca i8*,
> // CHECK-NEXT: [[Y:%.*]] = alloca i8*,
> // CHECK-NEXT: [[TMPALLOCA:%.*]] = alloca i8*,
> +// CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> +// CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[YPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = call i8* @test53_helper()
> // CHECK-NEXT: [[T1:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[T0]])
> // CHECK-NEXT: store i8* [[T1]], i8** [[Y]],
> @@ -1142,11 +1207,15 @@ void test53(void) {
> // CHECK-NEXT: store i8* [[T1]], i8** [[TMPALLOCA]]
> // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[Y]]
> // CHECK-NEXT: call void @objc_release(i8* [[T2]])
> +// CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[YPTR2]])
> // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** [[TMPALLOCA]]
> // CHECK-NEXT: store i8* [[T3]], i8** [[X]],
> // CHECK-NEXT: load i8*, i8** [[X]],
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[T0]])
> +// CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -1193,10 +1262,14 @@ void test56_test(void) {
> id x = [Test56 make];
> // CHECK-LABEL: define void @test56_test()
> // CHECK: [[X:%.*]] = alloca i8*, align 8
> + // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK: [[T0:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)*
> @objc_msgSend to i8* (i8*, i8*)*)(
> // CHECK-NEXT: store i8* [[T0]], i8** [[X]]
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[T0]])
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -1276,6 +1349,8 @@ void test61(void) {
> // CHECK-NEXT: call void @objc_release(i8* [[T1]])
> [test61_make() performSelector: @selector(test61_void)];
>
> + // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[YPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = call i8* @test61_make()
> // CHECK-NEXT: [[T1:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[T0]])
> // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_
> @@ -1288,6 +1363,8 @@ void test61(void) {
>
> // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]]
> // CHECK-NEXT: call void @objc_release(i8* [[T0]])
> + // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[YPTR2]])
> // CHECK-NEXT: ret void
> }
>
> @@ -1300,6 +1377,8 @@ void test62(void) {
> extern id test62_make(void);
> extern void test62_body(void);
>
> + // CHECK-NEXT: [[IPTR:%.*]] = bitcast i32* [[I]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 4, i8* [[IPTR]])
> // CHECK-NEXT: store i32 0, i32* [[I]], align 4
> // CHECK-NEXT: br label
>
> @@ -1391,8 +1470,12 @@ void test67(void) {
> }
> // CHECK-LABEL: define void @test67()
> // CHECK: [[CL:%.*]] = alloca i8*, align 8
> +// CHECK-NEXT: [[CLPTR1:%.*]] = bitcast i8** [[CL]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[CLPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = call i8* @test67_helper()
> // CHECK-NEXT: store i8* [[T0]], i8** [[CL]], align 8
> +// CHECK-NEXT: [[CLPTR2:%.*]] = bitcast i8** [[CL]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[CLPTR2]])
> // CHECK-NEXT: ret void
>
> Class test68_helper(void);
> @@ -1401,11 +1484,15 @@ void test68(void) {
> }
> // CHECK-LABEL: define void @test68()
> // CHECK: [[CL:%.*]] = alloca i8*, align 8
> +// CHECK-NEXT: [[CLPTR1:%.*]] = bitcast i8** [[CL]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[CLPTR1]])
> // CHECK-NEXT: [[T0:%.*]] = call i8* @test67_helper()
> // CHECK-NEXT: [[T1:%.*]] = call i8*
> @objc_retainAutoreleasedReturnValue(i8* [[T0]])
> // CHECK-NEXT: store i8* [[T1]], i8** [[CL]], align 8
> // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[CL]]
> // CHECK-NEXT: call void @objc_release(i8* [[T2]])
> +// CHECK-NEXT: [[CLPTR2:%.*]] = bitcast i8** [[CL]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[CLPTR2]])
> // CHECK-NEXT: ret void
>
> // rdar://problem/10564852
>
> Modified: cfe/trunk/test/CodeGenObjC/exceptions.m
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjC/exceptions.m?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjC/exceptions.m (original)
> +++ cfe/trunk/test/CodeGenObjC/exceptions.m Fri Apr 10 05:13:52 2015
> @@ -82,6 +82,8 @@ void f3() {
> extern void f3_helper(int, int*);
>
> // CHECK: [[X:%.*]] = alloca i32
> + // CHECK: [[XPTR:%.*]] = bitcast i32* [[X]] to i8*
> + // CHECK: call void @llvm.lifetime.start(i64 4, i8* [[XPTR]])
> // CHECK: store i32 0, i32* [[X]]
> int x = 0;
>
> @@ -122,6 +124,7 @@ void f3() {
> }
>
> // CHECK: call void @f3_helper(i32 4, i32* [[X]])
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 4, i8* [[XPTR]])
> // CHECK-NEXT: ret void
> f3_helper(4, &x);
> }
>
> Modified: cfe/trunk/test/CodeGenObjCXX/arc-move.mm
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjCXX/arc-move.mm?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjCXX/arc-move.mm (original)
> +++ cfe/trunk/test/CodeGenObjCXX/arc-move.mm Fri Apr 10 05:13:52 2015
> @@ -46,6 +46,10 @@ void library_move(__strong id &x, __stro
>
> // CHECK-LABEL: define void @_Z12library_moveRU8__strongP11objc_object
> void library_move(__strong id &y) {
> + // CHECK: [[X:%.*]] = alloca i8*, align 8
> + // CHECK: [[I:%.*]] = alloca i32, align 4
> + // CHECK: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
> // CHECK: [[Y:%[a-zA-Z0-9]+]] = call dereferenceable({{[0-9]+}}) i8**
> @_Z4moveIRU8__strongP11objc_objectEON16remove_referenceIT_E4typeEOS5_
> // Load the object
> // CHECK-NEXT: [[OBJ:%[a-zA-Z0-9]+]] = load i8*, i8** [[Y]]
> @@ -55,10 +59,16 @@ void library_move(__strong id &y) {
> // CHECK-NEXT: store i8* [[OBJ]], i8** [[X:%[a-zA-Z0-9]+]]
> id x = move(y);
>
> + // CHECK-NEXT: [[IPTR1:%.*]] = bitcast i32* [[I]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 4, i8* [[IPTR1]])
> // CHECK-NEXT: store i32 17
> int i = 17;
> + // CHECK-NEXT: [[IPTR2:%.*]] = bitcast i32* [[I]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 4, i8* [[IPTR2]])
> // CHECK-NEXT: [[OBJ:%[a-zA-Z0-9]+]] = load i8*, i8** [[X]]
> // CHECK-NEXT: call void @objc_release(i8* [[OBJ]])
> + // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
> // CHECK-NEXT: ret void
> }
>
>
> Modified: cfe/trunk/test/CodeGenObjCXX/arc-references.mm
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjCXX/arc-references.mm?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjCXX/arc-references.mm (original)
> +++ cfe/trunk/test/CodeGenObjCXX/arc-references.mm Fri Apr 10 05:13:52
> 2015
> @@ -38,11 +38,14 @@ typedef __strong id strong_id;
>
> //CHECK: define void @_Z5test3v
> void test3() {
> + // CHECK: [[REF:%.*]] = alloca i8**, align 8
> // CHECK: call i8* @objc_initWeak
> // CHECK-NEXT: store i8**
> const __weak id &ref = strong_id();
> // CHECK-NEXT: call void @_Z6calleev()
> callee();
> + // CHECK-NEXT: [[PTR:%.*]] = bitcast i8*** [[REF]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTR]])
> // CHECK-NEXT: call void @objc_destroyWeak
> // CHECK-NEXT: ret void
> }
> @@ -62,6 +65,7 @@ void sink(__strong A* &&);
> // CHECK-LABEL: define void @_Z5test5RU8__strongP11objc_object
> void test5(__strong id &x) {
> // CHECK: [[REFTMP:%.*]] = alloca {{%.*}}*, align 8
> + // CHECK: [[I:%.*]] = alloca i32, align 4
> // CHECK: [[OBJ_ID:%.*]] = call i8* @objc_retain(
> // CHECK-NEXT: [[OBJ_A:%.*]] = bitcast i8* [[OBJ_ID]] to
> [[A:%[a-zA-Z0-9]+]]*
> // CHECK-NEXT: store [[A]]* [[OBJ_A]], [[A]]** [[REFTMP:%[a-zA-Z0-9]+]]
> @@ -70,8 +74,12 @@ void test5(__strong id &x) {
> // CHECK-NEXT: [[OBJ_A:%[a-zA-Z0-9]+]] = load [[A]]*, [[A]]** [[REFTMP]]
> // CHECK-NEXT: [[OBJ_ID:%[a-zA-Z0-9]+]] = bitcast [[A]]* [[OBJ_A]] to
> i8*
> // CHECK-NEXT: call void @objc_release
> + // CHECK-NEXT: [[IPTR1:%.*]] = bitcast i32* [[I]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 4, i8* [[IPTR1]])
> // CHECK-NEXT: store i32 17, i32
> int i = 17;
> + // CHECK-NEXT: [[IPTR2:%.*]] = bitcast i32* [[I]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 4, i8* [[IPTR2]])
> // CHECK-NEXT: ret void
> }
>
>
> Modified: cfe/trunk/test/CodeGenObjCXX/arc.mm
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjCXX/arc.mm?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjCXX/arc.mm (original)
> +++ cfe/trunk/test/CodeGenObjCXX/arc.mm Fri Apr 10 05:13:52 2015
> @@ -64,7 +64,11 @@ void test34(int cond) {
> // CHECK-NEXT: [[CONDCLEANUPSAVE:%.*]] = alloca i8*
> // CHECK-NEXT: [[CONDCLEANUP:%.*]] = alloca i1
> // CHECK-NEXT: store i32
> + // CHECK-NEXT: [[STRONGP:%.*]] = bitcast i8** [[STRONG]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[STRONGP]])
> // CHECK-NEXT: store i8* null, i8** [[STRONG]]
> + // CHECK-NEXT: [[WEAKP:%.*]] = bitcast i8** [[WEAK]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[WEAKP]])
> // CHECK-NEXT: call i8* @objc_initWeak(i8** [[WEAK]], i8* null)
>
> // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[COND]]
> @@ -120,56 +124,77 @@ struct Test35_Helper {
>
> // CHECK-LABEL: define void @_Z6test3513Test35_HelperPS_
> void test35(Test35_Helper x0, Test35_Helper *x0p) {
> + // CHECK: call void @llvm.lifetime.start
> // CHECK: call i8* @_ZN13Test35_Helper11makeObject1Ev
> // CHECK-NOT: call i8* @objc_retain
> id obj1 = Test35_Helper::makeObject1();
> + // CHECK: call void @llvm.lifetime.start
> // CHECK: call i8* @_ZN13Test35_Helper11makeObject2Ev
> // CHECK-NOT: call i8* @objc_retain
> id obj2 = x0.makeObject2();
> + // CHECK: call void @llvm.lifetime.start
> // CHECK: call i8* @_ZN13Test35_Helper11makeObject2Ev
> // CHECK-NOT: call i8* @objc_retain
> id obj3 = x0p->makeObject2();
> id (Test35_Helper::*pmf)() __attribute__((ns_returns_retained))
> = &Test35_Helper::makeObject2;
> + // CHECK: call void @llvm.lifetime.start
> // CHECK: call i8* %
> // CHECK-NOT: call i8* @objc_retain
> id obj4 = (x0.*pmf)();
> + // CHECK: call void @llvm.lifetime.start
> // CHECK: call i8* %
> // CHECK-NOT: call i8* @objc_retain
> id obj5 = (x0p->*pmf)();
>
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK-NEXT: ret void
> }
>
> // CHECK-LABEL: define void @_Z7test35b13Test35_HelperPS_
> void test35b(Test35_Helper x0, Test35_Helper *x0p) {
> + // CHECK: call void @llvm.lifetime.start
> // CHECK: call i8* @_ZN13Test35_Helper11makeObject3Ev
> // CHECK: call i8* @objc_retain
> id obj1 = Test35_Helper::makeObject3();
> + // CHECK: call void @llvm.lifetime.start
> // CHECK: call i8* @_ZN13Test35_Helper11makeObject4Ev
> // CHECK: call i8* @objc_retain
> id obj2 = x0.makeObject4();
> + // CHECK: call void @llvm.lifetime.start
> // CHECK: call i8* @_ZN13Test35_Helper11makeObject4Ev
> // CHECK: call i8* @objc_retain
> id obj3 = x0p->makeObject4();
> id (Test35_Helper::*pmf)() = &Test35_Helper::makeObject4;
> + // CHECK: call void @llvm.lifetime.start
> // CHECK: call i8* %
> // CHECK: call i8* @objc_retain
> id obj4 = (x0.*pmf)();
> + // CHECK: call void @llvm.lifetime.start
> // CHECK: call i8* %
> // CHECK: call i8* @objc_retain
> id obj5 = (x0p->*pmf)();
>
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK: call void @objc_release
> + // CHECK: call void @llvm.lifetime.end
> // CHECK-NEXT: ret void
> }
>
> @@ -290,6 +315,8 @@ template void test40_helper<int>();
> // CHECK-LABEL: define weak_odr void @_Z13test40_helperIiEvv()
> // CHECK: [[X:%.*]] = alloca i8*
> // CHECK-NEXT: [[TEMP:%.*]] = alloca i8*
> +// CHECK-NEXT: [[XP:%.*]] = bitcast i8** [[X]] to i8*
> +// CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XP]])
> // CHECK-NEXT: store i8* null, i8** [[X]]
> // CHECK: [[T0:%.*]] = load i8*, i8** [[X]]
> // CHECK-NEXT: store i8* [[T0]], i8** [[TEMP]]
>
> Modified: cfe/trunk/test/CodeGenObjCXX/literals.mm
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjCXX/literals.mm?rev=234581&r1=234580&r2=234581&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenObjCXX/literals.mm (original)
> +++ cfe/trunk/test/CodeGenObjCXX/literals.mm Fri Apr 10 05:13:52 2015
> @@ -16,9 +16,12 @@ struct Y {
>
> // CHECK-LABEL: define void @_Z10test_arrayv
> void test_array() {
> + // CHECK: [[ARR:%[a-zA-Z0-9.]+]] = alloca i8*
> // CHECK: [[OBJECTS:%[a-zA-Z0-9.]+]] = alloca [2 x i8*]
>
> // Initializing first element
> + // CHECK: [[PTR1:%.*]] = bitcast i8** [[ARR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[PTR1]])
> // CHECK: [[ELEMENT0:%[a-zA-Z0-9.]+]] = getelementptr inbounds [2 x
> i8*], [2 x i8*]* [[OBJECTS]], i32 0, i32 0
> // CHECK-NEXT: call void @_ZN1XC1Ev
> // CHECK-NEXT: [[OBJECT0:%[a-zA-Z0-9.]+]] = invoke i8*
> @_ZNK1XcvP11objc_objectEv
> @@ -47,6 +50,8 @@ void test_array() {
> // CHECK-NEXT: call void @_ZN1XD1Ev
> // CHECK-NOT: ret void
> // CHECK: call void @objc_release
> + // CHECK-NEXT: [[PTR2:%.*]] = bitcast i8** [[ARR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTR2]])
> // CHECK-NEXT: ret void
>
> // Check cleanups
> @@ -63,9 +68,12 @@ void test_array() {
> // CHECK-LABEL: define weak_odr void @_Z24test_array_instantiationIiEvv
> template<typename T>
> void test_array_instantiation() {
> + // CHECK: [[ARR:%[a-zA-Z0-9.]+]] = alloca i8*
> // CHECK: [[OBJECTS:%[a-zA-Z0-9.]+]] = alloca [2 x i8*]
>
> // Initializing first element
> + // CHECK: [[PTR1:%.*]] = bitcast i8** [[ARR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[PTR1]])
> // CHECK: [[ELEMENT0:%[a-zA-Z0-9.]+]] = getelementptr inbounds [2 x
> i8*], [2 x i8*]* [[OBJECTS]], i32 0, i32 0
> // CHECK-NEXT: call void @_ZN1XC1Ev
> // CHECK-NEXT: [[OBJECT0:%[a-zA-Z0-9.]+]] = invoke i8*
> @_ZNK1XcvP11objc_objectEv
> @@ -94,6 +102,8 @@ void test_array_instantiation() {
> // CHECK-NEXT: call void @_ZN1XD1Ev
> // CHECK-NOT: ret void
> // CHECK: call void @objc_release
> + // CHECK-NEXT: [[PTR2]] = bitcast i8** [[ARR]] to i8*
> + // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTR2]])
> // CHECK-NEXT: ret void
>
> // Check cleanups
>
>
> _______________________________________________
> cfe-commits mailing list
> cfe-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>
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