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Document another instsimplify assumption.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174100 91177308-0d34-0410-b5e6-96231b3b80d8
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Dan Gohman
2013-01-31 22:13:00 +00:00
parent 4bdf9890ed
commit 43d836343e
1 changed files with 7 additions and 0 deletions
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7
include/llvm/Analysis/InstructionSimplify.h
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@@ -20,6 +20,13 @@
// values. This will prevent other code from seeing the same undef uses and // values. This will prevent other code from seeing the same undef uses and
// resolving them to different values. // resolving them to different values.
// //
// These routines are designed to tolerate moderately incomplete IR, such as
// instructions that are not connected to basic blocks yet. However, they do
// require that all the IR that they encounter be valid. In particular, they
// require that all non-constant values be defined in the same function, and the
// same call context of that function (and not split between caller and callee
// contexts of a directly recursive call, for example).
//
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#ifndef LLVM_ANALYSIS_INSTRUCTIONSIMPLIFY_H #ifndef LLVM_ANALYSIS_INSTRUCTIONSIMPLIFY_H