From: Eric Christopher <echristo@apple.com>
Date: Wed, 23 Dec 2009 02:51:48 +0000 (+0000)
Subject: Update objectsize intrinsic and associated dependencies. Fix
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d060b2576ab10d463e339186bcc61860500cbce0;p=oota-llvm.git

Update objectsize intrinsic and associated dependencies. Fix
lowering code and update testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91979 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Intrinsics.td b/include/llvm/Intrinsics.td
index 6ff87ba1506..c472f2be206 100644
--- a/include/llvm/Intrinsics.td
+++ b/include/llvm/Intrinsics.td
@@ -260,7 +260,7 @@ def int_sigsetjmp  : Intrinsic<[llvm_i32_ty] , [llvm_ptr_ty, llvm_i32_ty]>;
 def int_siglongjmp : Intrinsic<[llvm_void_ty], [llvm_ptr_ty, llvm_i32_ty]>;
 
 // Internal interface for object size checking
-def int_objectsize : Intrinsic<[llvm_anyint_ty], [llvm_ptr_ty, llvm_i32_ty],
+def int_objectsize : Intrinsic<[llvm_anyint_ty], [llvm_ptr_ty, llvm_i1_ty],
                                [IntrReadArgMem]>,
                                GCCBuiltin<"__builtin_object_size">;
 
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 36e1a8103f3..85c95449b97 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -4688,7 +4688,7 @@ SelectionDAGBuilder::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
     SDValue Arg = getValue(I.getOperand(0));
     EVT Ty = Arg.getValueType();
 
-    if (CI->getZExtValue() < 2)
+    if (CI->getZExtValue() == 0)
       Res = DAG.getConstant(-1ULL, Ty);
     else
       Res = DAG.getConstant(0, Ty);
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 170e3aa658e..4c6580f64a1 100644
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -1122,7 +1122,7 @@ struct SizeOpt : public LibCallOptimization {
 
     const Type *Ty = Callee->getFunctionType()->getReturnType();
 
-    if (Const->getZExtValue() < 2)
+    if (Const->getZExtValue() == 0)
       return Constant::getAllOnesValue(Ty);
     else
       return ConstantInt::get(Ty, 0);
diff --git a/test/CodeGen/X86/object-size.ll b/test/CodeGen/X86/object-size.ll
index 3f902453e64..eed3cfc8513 100644
--- a/test/CodeGen/X86/object-size.ll
+++ b/test/CodeGen/X86/object-size.ll
@@ -10,7 +10,7 @@ target triple = "x86_64-apple-darwin10.0"
 define void @bar() nounwind ssp {
 entry:
   %tmp = load i8** @p                             ; <i8*> [#uses=1]
-  %0 = call i64 @llvm.objectsize.i64(i8* %tmp, i32 0) ; <i64> [#uses=1]
+  %0 = call i64 @llvm.objectsize.i64(i8* %tmp, i1 0) ; <i64> [#uses=1]
   %cmp = icmp ne i64 %0, -1                       ; <i1> [#uses=1]
 ; X64: movq    $-1, %rax
 ; X64: cmpq    $-1, %rax
@@ -19,7 +19,7 @@ entry:
 cond.true:                                        ; preds = %entry
   %tmp1 = load i8** @p                            ; <i8*> [#uses=1]
   %tmp2 = load i8** @p                            ; <i8*> [#uses=1]
-  %1 = call i64 @llvm.objectsize.i64(i8* %tmp2, i32 1) ; <i64> [#uses=1]
+  %1 = call i64 @llvm.objectsize.i64(i8* %tmp2, i1 1) ; <i64> [#uses=1]
   %call = call i8* @__strcpy_chk(i8* %tmp1, i8* getelementptr inbounds ([3 x i8]* @.str, i32 0, i32 0), i64 %1) ssp ; <i8*> [#uses=1]
   br label %cond.end
 
@@ -33,7 +33,7 @@ cond.end:                                         ; preds = %cond.false, %cond.t
   ret void
 }
 
-declare i64 @llvm.objectsize.i64(i8*, i32) nounwind readonly
+declare i64 @llvm.objectsize.i64(i8*, i1) nounwind readonly
 
 declare i8* @__strcpy_chk(i8*, i8*, i64) ssp
 
@@ -47,7 +47,7 @@ entry:
   %tmp = load i8** %__dest.addr                   ; <i8*> [#uses=1]
   %tmp1 = load i8** %__src.addr                   ; <i8*> [#uses=1]
   %tmp2 = load i8** %__dest.addr                  ; <i8*> [#uses=1]
-  %0 = call i64 @llvm.objectsize.i64(i8* %tmp2, i32 1) ; <i64> [#uses=1]
+  %0 = call i64 @llvm.objectsize.i64(i8* %tmp2, i1 1) ; <i64> [#uses=1]
   %call = call i8* @__strcpy_chk(i8* %tmp, i8* %tmp1, i64 %0) ssp ; <i8*> [#uses=1]
   store i8* %call, i8** %retval
   %1 = load i8** %retval                          ; <i8*> [#uses=1]