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Force memory use markers to have a ConstantInt for the size argument.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83960 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2009-10-13 07:57:33 +00:00
parent 5c9be67cff
commit 321333e51e
2 changed files with 23 additions and 8 deletions
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20
docs/LangRef.html
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@ -7018,8 +7018,9 @@ LLVM</a>.</p>
object's lifetime.</p>
<h5>Arguments:</h5>
<p>The first argument is a the size of the object, or -1 if it is variable
sized. The second argument is a pointer to the object.</p>
<p>The first argument is a constant integer representing the size of the
object, or -1 if it is variable sized. The second argument is a pointer to
the object.</p>
<h5>Semantics:</h5>
<p>This intrinsic indicates that before this point in the code, the value of the
@ -7047,8 +7048,9 @@ LLVM</a>.</p>
object's lifetime.</p>
<h5>Arguments:</h5>
<p>The first argument is a the size of the object, or -1 if it is variable
sized. The second argument is a pointer to the object.</p>
<p>The first argument is a constant integer representing the size of the
object, or -1 if it is variable sized. The second argument is a pointer to
the object.</p>
<h5>Semantics:</h5>
<p>This intrinsic indicates that after this point in the code, the value of the
@ -7075,8 +7077,9 @@ LLVM</a>.</p>
a memory object will not change.</p>
<h5>Arguments:</h5>
<p>The first argument is a the size of the object, or -1 if it is variable
sized. The second argument is a pointer to the object.</p>
<p>The first argument is a constant integer representing the size of the
object, or -1 if it is variable sized. The second argument is a pointer to
the object.</p>
<h5>Semantics:</h5>
<p>This intrinsic indicates that until an <tt>llvm.invariant.end</tt> that uses
@ -7103,8 +7106,9 @@ LLVM</a>.</p>
<h5>Arguments:</h5>
<p>The first argument is the matching <tt>llvm.invariant.start</tt> intrinsic.
The second argument is a the size of the object, or -1 if it is variable
sized and the third argument is a pointer to the object.</p>
The second argument is a constant integer representing the size of the
object, or -1 if it is variable sized and the third argument is a pointer
to the object.</p>
<h5>Semantics:</h5>
<p>This intrinsic indicates that the memory is mutable again.</p>

11
lib/VMCore/Verifier.cpp
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@ -1578,6 +1578,17 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
"llvm.stackprotector parameter #2 must resolve to an alloca.",
&CI);
break;
case Intrinsic::lifetime_start:
case Intrinsic::lifetime_end:
case Intrinsic::invariant_start:
Assert1(isa<ConstantInt>(CI.getOperand(1)),
"size argument of memory use markers must be a constant integer",
&CI);
break;
case Intrinsic::invariant_end:
Assert1(isa<ConstantInt>(CI.getOperand(2)),
"llvm.invariant.end parameter #2 must be a constant integer", &CI);
break;
}
}