commit 29b6cb40c1329c807ef3007bd5c5901ab42e525a
author Nick Lewycky <nicholas@mxc.ca> Tue Nov 30 04:13:41 2010 +0000
committer Nick Lewycky <nicholas@mxc.ca> Tue Nov 30 04:13:41 2010 +0000
tree 1357a9e49eca8063ec67230f7255d02d2b364e2e
parent bb7b23f5b79a7ca2aa62faa1a6078428af597234

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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120388 91177308-0d34-0410-b5e6-96231b3b80d8

docs/LangRef.html

diff --git a/docs/LangRef.html b/docs/LangRef.html
index 1786e65..68d65f1 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -7506,7 +7506,7 @@
 
 <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>

include/llvm/Intrinsics.td

diff --git a/include/llvm/Intrinsics.td b/include/llvm/Intrinsics.td
index 347541f..addb6df 100644
--- a/include/llvm/Intrinsics.td
+++ b/include/llvm/Intrinsics.td
@@ -436,7 +436,7 @@
                                     [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],