[llvm-commits] [llvm] r82694 - in /llvm/trunk: examples/BrainF/ include/llvm/ lib/AsmParser/ lib/Bitcode/Reader/ lib/VMCore/ test/Analysis/PointerTracking/ test/Transforms/GlobalOpt/ test/Transforms/InstCombine/
Victor Hernandez
vhernandez at apple.com
Thu Sep 24 10:47:51 PDT 2009
Author: hernande
Date: Thu Sep 24 12:47:49 2009
New Revision: 82694
URL: http://llvm.org/viewvc/llvm-project?rev=82694&view=rev
Log:
Auto-upgrade malloc instructions to malloc calls.
Reviewed by Devang Patel.
Modified:
llvm/trunk/examples/BrainF/BrainF.cpp
llvm/trunk/include/llvm/Instructions.h
llvm/trunk/lib/AsmParser/LLLexer.cpp
llvm/trunk/lib/AsmParser/LLParser.cpp
llvm/trunk/lib/AsmParser/LLParser.h
llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp
llvm/trunk/lib/VMCore/Core.cpp
llvm/trunk/lib/VMCore/Instructions.cpp
llvm/trunk/test/Analysis/PointerTracking/sizes.ll
llvm/trunk/test/Transforms/GlobalOpt/malloc-promote-2.ll
llvm/trunk/test/Transforms/GlobalOpt/malloc-promote-3.ll
llvm/trunk/test/Transforms/InstCombine/cast-malloc.ll
llvm/trunk/test/Transforms/InstCombine/cast.ll
llvm/trunk/test/Transforms/InstCombine/getelementptr.ll
llvm/trunk/test/Transforms/InstCombine/malloc-free-delete.ll
llvm/trunk/test/Transforms/InstCombine/malloc2.ll
Modified: llvm/trunk/examples/BrainF/BrainF.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/examples/BrainF/BrainF.cpp?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/examples/BrainF/BrainF.cpp (original)
+++ llvm/trunk/examples/BrainF/BrainF.cpp Thu Sep 24 12:47:49 2009
@@ -25,6 +25,7 @@
#include "BrainF.h"
#include "llvm/Constants.h"
+#include "llvm/Instructions.h"
#include "llvm/Intrinsics.h"
#include "llvm/ADT/STLExtras.h"
#include <iostream>
@@ -78,7 +79,11 @@
//%arr = malloc i8, i32 %d
ConstantInt *val_mem = ConstantInt::get(C, APInt(32, memtotal));
- ptr_arr = builder->CreateMalloc(IntegerType::getInt8Ty(C), val_mem, "arr");
+ BasicBlock* BB = builder->GetInsertBlock();
+ const Type* IntPtrTy = IntegerType::getInt32Ty(C);
+ ptr_arr = CallInst::CreateMalloc(BB, IntPtrTy, IntegerType::getInt8Ty(C),
+ val_mem, NULL, "arr");
+ BB->getInstList().push_back(cast<Instruction>(ptr_arr));
//call void @llvm.memset.i32(i8 *%arr, i8 0, i32 %d, i32 1)
{
Modified: llvm/trunk/include/llvm/Instructions.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Instructions.h?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Instructions.h (original)
+++ llvm/trunk/include/llvm/Instructions.h Thu Sep 24 12:47:49 2009
@@ -1044,7 +1044,7 @@
const Twine &Name = "");
static Value *CreateMalloc(BasicBlock *InsertAtEnd, const Type *IntPtrTy,
const Type *AllocTy, Value *ArraySize = 0,
- const Twine &Name = "");
+ Function* MallocF = 0, const Twine &Name = "");
~CallInst();
@@ -1149,6 +1149,11 @@
const Value *getCalledValue() const { return Op<0>(); }
Value *getCalledValue() { return Op<0>(); }
+ /// setCalledFunction - Set the function called
+ void setCalledFunction(Value* Fn) {
+ Op<0>() = Fn;
+ }
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const CallInst *) { return true; }
static inline bool classof(const Instruction *I) {
Modified: llvm/trunk/lib/AsmParser/LLLexer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/AsmParser/LLLexer.cpp?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/lib/AsmParser/LLLexer.cpp (original)
+++ llvm/trunk/lib/AsmParser/LLLexer.cpp Thu Sep 24 12:47:49 2009
@@ -602,6 +602,9 @@
// Scan CurPtr ahead, seeing if there is just whitespace before the newline.
if (JustWhitespaceNewLine(CurPtr))
return lltok::kw_zeroext;
+ } else if (Len == 6 && !memcmp(StartChar, "malloc", 6)) {
+ // Autoupgrade malloc instruction
+ return lltok::kw_malloc;
}
// Keywords for instructions.
@@ -641,7 +644,6 @@
INSTKEYWORD(unwind, Unwind);
INSTKEYWORD(unreachable, Unreachable);
- INSTKEYWORD(malloc, Malloc);
INSTKEYWORD(alloca, Alloca);
INSTKEYWORD(free, Free);
INSTKEYWORD(load, Load);
Modified: llvm/trunk/lib/AsmParser/LLParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/AsmParser/LLParser.cpp?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/lib/AsmParser/LLParser.cpp (original)
+++ llvm/trunk/lib/AsmParser/LLParser.cpp Thu Sep 24 12:47:49 2009
@@ -69,6 +69,27 @@
/// ValidateEndOfModule - Do final validity and sanity checks at the end of the
/// module.
bool LLParser::ValidateEndOfModule() {
+ // Update auto-upgraded malloc calls from "autoupgrade_malloc" to "malloc".
+ if (MallocF) {
+ MallocF->setName("malloc");
+ // If setName() does not set the name to "malloc", then there is already a
+ // declaration of "malloc". In that case, iterate over all calls to MallocF
+ // and get them to call the declared "malloc" instead.
+ if (MallocF->getName() != "malloc") {
+ Function* realMallocF = M->getFunction("malloc");
+ for (User::use_iterator UI = MallocF->use_begin(), UE= MallocF->use_end();
+ UI != UE; ) {
+ User* user = *UI;
+ UI++;
+ if (CallInst *Call = dyn_cast<CallInst>(user))
+ Call->setCalledFunction(realMallocF);
+ }
+ if (!realMallocF->doesNotAlias(0)) realMallocF->setDoesNotAlias(0);
+ MallocF->eraseFromParent();
+ MallocF = NULL;
+ }
+ }
+
if (!ForwardRefTypes.empty())
return Error(ForwardRefTypes.begin()->second.second,
"use of undefined type named '" +
@@ -2776,8 +2797,8 @@
case lltok::kw_call: return ParseCall(Inst, PFS, false);
case lltok::kw_tail: return ParseCall(Inst, PFS, true);
// Memory.
- case lltok::kw_alloca:
- case lltok::kw_malloc: return ParseAlloc(Inst, PFS, KeywordVal);
+ case lltok::kw_alloca: return ParseAlloc(Inst, PFS);
+ case lltok::kw_malloc: return ParseAlloc(Inst, PFS, BB, false);
case lltok::kw_free: return ParseFree(Inst, PFS);
case lltok::kw_load: return ParseLoad(Inst, PFS, false);
case lltok::kw_store: return ParseStore(Inst, PFS, false);
@@ -3286,7 +3307,7 @@
}
/// ParsePHI
-/// ::= 'phi' Type '[' Value ',' Value ']' (',' '[' Value ',' Valueà ']')*
+/// ::= 'phi' Type '[' Value ',' Value ']' (',' '[' Value ',' Valueâü ']')*
bool LLParser::ParsePHI(Instruction *&Inst, PerFunctionState &PFS) {
PATypeHolder Ty(Type::getVoidTy(Context));
Value *Op0, *Op1;
@@ -3431,7 +3452,7 @@
/// ::= 'malloc' Type (',' TypeAndValue)? (',' OptionalInfo)?
/// ::= 'alloca' Type (',' TypeAndValue)? (',' OptionalInfo)?
bool LLParser::ParseAlloc(Instruction *&Inst, PerFunctionState &PFS,
- unsigned Opc) {
+ BasicBlock* BB, bool isAlloca) {
PATypeHolder Ty(Type::getVoidTy(Context));
Value *Size = 0;
LocTy SizeLoc;
@@ -3451,10 +3472,21 @@
if (Size && Size->getType() != Type::getInt32Ty(Context))
return Error(SizeLoc, "element count must be i32");
- if (Opc == Instruction::Malloc)
- Inst = new MallocInst(Ty, Size, Alignment);
- else
+ if (isAlloca)
Inst = new AllocaInst(Ty, Size, Alignment);
+ else {
+ // Autoupgrade old malloc instruction to malloc call.
+ const Type* IntPtrTy = Type::getInt32Ty(Context);
+ const Type* Int8PtrTy = PointerType::getUnqual(Type::getInt8Ty(Context));
+ if (!MallocF)
+ // Prototype malloc as "void *autoupgrade_malloc(int32)".
+ MallocF = cast<Function>(M->getOrInsertFunction("autoupgrade_malloc",
+ Int8PtrTy, IntPtrTy, NULL));
+ // "autoupgrade_malloc" updated to "malloc" in ValidateEndOfModule().
+
+ Inst = cast<Instruction>(CallInst::CreateMalloc(BB, IntPtrTy, Ty,
+ Size, MallocF));
+ }
return false;
}
Modified: llvm/trunk/lib/AsmParser/LLParser.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/AsmParser/LLParser.h?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/lib/AsmParser/LLParser.h (original)
+++ llvm/trunk/lib/AsmParser/LLParser.h Thu Sep 24 12:47:49 2009
@@ -75,9 +75,11 @@
std::map<std::string, std::pair<GlobalValue*, LocTy> > ForwardRefVals;
std::map<unsigned, std::pair<GlobalValue*, LocTy> > ForwardRefValIDs;
std::vector<GlobalValue*> NumberedVals;
+ Function* MallocF;
public:
LLParser(MemoryBuffer *F, SourceMgr &SM, SMDiagnostic &Err, Module *m) :
- Context(m->getContext()), Lex(F, SM, Err, m->getContext()), M(m) {}
+ Context(m->getContext()), Lex(F, SM, Err, m->getContext()),
+ M(m), MallocF(NULL) {}
bool Run();
LLVMContext& getContext() { return Context; }
@@ -276,7 +278,8 @@
bool ParseShuffleVector(Instruction *&I, PerFunctionState &PFS);
bool ParsePHI(Instruction *&I, PerFunctionState &PFS);
bool ParseCall(Instruction *&I, PerFunctionState &PFS, bool isTail);
- bool ParseAlloc(Instruction *&I, PerFunctionState &PFS, unsigned Opc);
+ bool ParseAlloc(Instruction *&I, PerFunctionState &PFS,
+ BasicBlock *BB = 0, bool isAlloca = true);
bool ParseFree(Instruction *&I, PerFunctionState &PFS);
bool ParseLoad(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
bool ParseStore(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
Modified: llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp (original)
+++ llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp Thu Sep 24 12:47:49 2009
@@ -2046,14 +2046,21 @@
}
case bitc::FUNC_CODE_INST_MALLOC: { // MALLOC: [instty, op, align]
+ // Autoupgrade malloc instruction to malloc call.
if (Record.size() < 3)
return Error("Invalid MALLOC record");
const PointerType *Ty =
dyn_cast_or_null<PointerType>(getTypeByID(Record[0]));
Value *Size = getFnValueByID(Record[1], Type::getInt32Ty(Context));
- unsigned Align = Record[2];
if (!Ty || !Size) return Error("Invalid MALLOC record");
- I = new MallocInst(Ty->getElementType(), Size, (1 << Align) >> 1);
+ if (!CurBB) return Error("Invalid malloc instruction with no BB");
+ const Type* Int32Ty = IntegerType::getInt32Ty(CurBB->getContext());
+ if (Size->getType() != Int32Ty)
+ Size = CastInst::CreateIntegerCast(Size, Int32Ty, false /*ZExt*/,
+ "", CurBB);
+ Value* Malloc = CallInst::CreateMalloc(CurBB, Int32Ty,
+ Ty->getElementType(), Size, NULL);
+ I = cast<Instruction>(Malloc);
InstructionList.push_back(I);
break;
}
Modified: llvm/trunk/lib/VMCore/Core.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Core.cpp?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/Core.cpp (original)
+++ llvm/trunk/lib/VMCore/Core.cpp Thu Sep 24 12:47:49 2009
@@ -1636,12 +1636,16 @@
LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,
const char *Name) {
- return wrap(unwrap(B)->CreateMalloc(unwrap(Ty), 0, Name));
+ const Type* IntPtrT = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());
+ return wrap(CallInst::CreateMalloc(unwrap(B)->GetInsertBlock(), IntPtrT,
+ unwrap(Ty), 0, 0, Twine(Name)));
}
LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,
LLVMValueRef Val, const char *Name) {
- return wrap(unwrap(B)->CreateMalloc(unwrap(Ty), unwrap(Val), Name));
+ const Type* IntPtrT = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());
+ return wrap(CallInst::CreateMalloc(unwrap(B)->GetInsertBlock(), IntPtrT,
+ unwrap(Ty), unwrap(Val), 0, Twine(Name)));
}
LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef B, LLVMTypeRef Ty,
Modified: llvm/trunk/lib/VMCore/Instructions.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Instructions.cpp?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/Instructions.cpp (original)
+++ llvm/trunk/lib/VMCore/Instructions.cpp Thu Sep 24 12:47:49 2009
@@ -462,7 +462,8 @@
static Value *createMalloc(Instruction *InsertBefore, BasicBlock *InsertAtEnd,
const Type *IntPtrTy, const Type *AllocTy,
- Value *ArraySize, const Twine &NameStr) {
+ Value *ArraySize, Function* MallocF,
+ const Twine &NameStr) {
assert(((!InsertBefore && InsertAtEnd) || (InsertBefore && !InsertAtEnd)) &&
"createMalloc needs either InsertBefore or InsertAtEnd");
@@ -499,10 +500,11 @@
BasicBlock* BB = InsertBefore ? InsertBefore->getParent() : InsertAtEnd;
Module* M = BB->getParent()->getParent();
const Type *BPTy = PointerType::getUnqual(Type::getInt8Ty(BB->getContext()));
- // prototype malloc as "void *malloc(size_t)"
- Constant *MallocF = M->getOrInsertFunction("malloc", BPTy, IntPtrTy, NULL);
- if (!cast<Function>(MallocF)->doesNotAlias(0))
- cast<Function>(MallocF)->setDoesNotAlias(0);
+ if (!MallocF)
+ // prototype malloc as "void *malloc(size_t)"
+ MallocF = cast<Function>(M->getOrInsertFunction("malloc", BPTy,
+ IntPtrTy, NULL));
+ if (!MallocF->doesNotAlias(0)) MallocF->setDoesNotAlias(0);
const PointerType *AllocPtrType = PointerType::getUnqual(AllocTy);
CallInst *MCall = NULL;
Value *MCast = NULL;
@@ -531,7 +533,8 @@
Value *CallInst::CreateMalloc(Instruction *InsertBefore, const Type *IntPtrTy,
const Type *AllocTy, Value *ArraySize,
const Twine &Name) {
- return createMalloc(InsertBefore, NULL, IntPtrTy, AllocTy, ArraySize, Name);
+ return createMalloc(InsertBefore, NULL, IntPtrTy, AllocTy,
+ ArraySize, NULL, Name);
}
/// CreateMalloc - Generate the IR for a call to malloc:
@@ -544,8 +547,9 @@
/// responsibility of the caller.
Value *CallInst::CreateMalloc(BasicBlock *InsertAtEnd, const Type *IntPtrTy,
const Type *AllocTy, Value *ArraySize,
- const Twine &Name) {
- return createMalloc(NULL, InsertAtEnd, IntPtrTy, AllocTy, ArraySize, Name);
+ Function* MallocF, const Twine &Name) {
+ return createMalloc(NULL, InsertAtEnd, IntPtrTy, AllocTy,
+ ArraySize, MallocF, Name);
}
//===----------------------------------------------------------------------===//
Modified: llvm/trunk/test/Analysis/PointerTracking/sizes.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/PointerTracking/sizes.ll?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/PointerTracking/sizes.ll (original)
+++ llvm/trunk/test/Analysis/PointerTracking/sizes.ll Thu Sep 24 12:47:49 2009
@@ -63,7 +63,7 @@
define i32 @foo2(i32 %n) nounwind {
entry:
%call = malloc i8, i32 %n ; <i8*> [#uses=1]
-; CHECK: %call =
+; CHECK: %malloccall =
; CHECK: ==> %n elements, %n bytes allocated
%call2 = tail call i8* @calloc(i64 2, i64 4) nounwind ; <i8*> [#uses=1]
; CHECK: %call2 =
Modified: llvm/trunk/test/Transforms/GlobalOpt/malloc-promote-2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GlobalOpt/malloc-promote-2.ll?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/GlobalOpt/malloc-promote-2.ll (original)
+++ llvm/trunk/test/Transforms/GlobalOpt/malloc-promote-2.ll Thu Sep 24 12:47:49 2009
@@ -1,4 +1,6 @@
-; RUN: opt < %s -globalopt -S | not grep malloc
+; RUN: opt < %s -globalopt -globaldce -S | not grep malloc
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i686-apple-darwin8"
@G = internal global i32* null ; <i32**> [#uses=3]
Modified: llvm/trunk/test/Transforms/GlobalOpt/malloc-promote-3.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GlobalOpt/malloc-promote-3.ll?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/GlobalOpt/malloc-promote-3.ll (original)
+++ llvm/trunk/test/Transforms/GlobalOpt/malloc-promote-3.ll Thu Sep 24 12:47:49 2009
@@ -1,4 +1,6 @@
-; RUN: opt < %s -globalopt -S | not grep malloc
+; RUN: opt < %s -globalopt -globaldce -S | not grep malloc
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i686-apple-darwin8"
@G = internal global i32* null ; <i32**> [#uses=4]
Modified: llvm/trunk/test/Transforms/InstCombine/cast-malloc.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/cast-malloc.ll?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/cast-malloc.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/cast-malloc.ll Thu Sep 24 12:47:49 2009
@@ -1,6 +1,6 @@
; test that casted mallocs get converted to malloc of the right type
; RUN: opt < %s -instcombine -S | \
-; RUN: not grep bitcast
+; RUN: grep bitcast | count 1
; The target datalayout is important for this test case. We have to tell
; instcombine that the ABI alignment for a long is 4-bytes, not 8, otherwise
Modified: llvm/trunk/test/Transforms/InstCombine/cast.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/cast.ll?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/cast.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/cast.ll Thu Sep 24 12:47:49 2009
@@ -79,9 +79,9 @@
}
define i32* @test12() {
- %p = malloc [4 x i8] ; <[4 x i8]*> [#uses=1]
- %c = bitcast [4 x i8]* %p to i32* ; <i32*> [#uses=1]
- ret i32* %c
+ %c = malloc [4 x i8] ; <[4 x i8]*> [#uses=1]
+ %p = bitcast [4 x i8]* %c to i32* ; <i32*> [#uses=1]
+ ret i32* %p
}
define i8* @test13(i64 %A) {
%c = getelementptr [0 x i8]* bitcast ([32832 x i8]* @inbuf to [0 x i8]*), i64 0, i64 %A ; <i8*> [#uses=1]
Modified: llvm/trunk/test/Transforms/InstCombine/getelementptr.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/getelementptr.ll?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/getelementptr.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/getelementptr.ll Thu Sep 24 12:47:49 2009
@@ -58,7 +58,7 @@
%B = getelementptr i32* %A, i64 2
ret i32* %B
; CHECK: @test6
-; CHECK: getelementptr [4 x i32]* %M, i64 0, i64 2
+; CHECK: getelementptr i8* %malloccall, i64 8
}
define i32* @test7(i32* %I, i64 %C, i64 %D) {
Modified: llvm/trunk/test/Transforms/InstCombine/malloc-free-delete.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/malloc-free-delete.ll?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/malloc-free-delete.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/malloc-free-delete.ll Thu Sep 24 12:47:49 2009
@@ -1,5 +1,5 @@
; RUN: opt < %s -instcombine -S | grep {ret i32 0}
-; RUN: opt < %s -instcombine -S | not grep malloc
+; RUN: opt < %s -instcombine -globaldce -S | not grep malloc
; PR1201
define i32 @main(i32 %argc, i8** %argv) {
%c_19 = alloca i8* ; <i8**> [#uses=2]
Modified: llvm/trunk/test/Transforms/InstCombine/malloc2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/malloc2.ll?rev=82694&r1=82693&r2=82694&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/malloc2.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/malloc2.ll Thu Sep 24 12:47:49 2009
@@ -1,5 +1,4 @@
; RUN: opt < %s -instcombine -S | grep {ret i32 0}
-; RUN: opt < %s -instcombine -S | not grep malloc
; PR1313
define i32 @test1(i32 %argc, i8* %argv, i8* %envp) {
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