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Make @llvm.invariant.start not be readonly, so that it has side-effects. This 

unbreaks test/Transforms/InstCombine/invariant.ll which was broken by r120382.
This is a fix-forward to do what I think Chris intended.

llvm-svn: 120388
This commit is contained in:
Nick Lewycky 2010-11-30 04:13:41 +00:00
parent f48169bb4f
commit 2965d3e3cd
2 changed files with 2 additions and 2 deletions
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2
llvm/docs/LangRef.html
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@ -7506,7 +7506,7 @@ LLVM</a>.</p>
<h5>Syntax:</h5>
<pre>
declare {}* @llvm.invariant.start(i64 &lt;size&gt;, i8* nocapture &lt;ptr&gt;) readonly
declare {}* @llvm.invariant.start(i64 &lt;size&gt;, i8* nocapture &lt;ptr&gt;)
</pre>
<h5>Overview:</h5>

2
llvm/include/llvm/Intrinsics.td
View File

@ -436,7 +436,7 @@ def int_lifetime_end : Intrinsic<[],
[IntrReadWriteArgMem, NoCapture<1>]>;
def int_invariant_start : Intrinsic<[llvm_descriptor_ty],
[llvm_i64_ty, llvm_ptr_ty],
[IntrReadArgMem, NoCapture<1>]>;
[IntrReadWriteArgMem, NoCapture<1>]>;
def int_invariant_end : Intrinsic<[],
[llvm_descriptor_ty, llvm_i64_ty,
llvm_ptr_ty],