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Update objectsize intrinsic and associated dependencies. Fix

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lowering code and update testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91979 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2009-12-23 02:51:48 +00:00
parent ac105c4dca
commit d060b2576a
4 changed files with 7 additions and 7 deletions
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2
include/llvm/Intrinsics.td
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@ -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">;

2
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -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);

2
lib/Transforms/Scalar/SimplifyLibCalls.cpp
View File

@ -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);

8
test/CodeGen/X86/object-size.ll
View File

@ -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]