Hans Wennborg d162380e59 Do simple constant propagation in lookup table formation for switches
By propagating the value for the switch condition, LLVM can now build
lookup tables for code such as:

  switch (x) {
    case 1: return 5;
    case 2: return 42;
    case 3: case 4: case 5:
      return x - 123;
    default:
      return 123;
  }

Given that x is known for each case, "x - 123" becomes a constant for
cases 3, 4, and 5.

llvm-svn: 167115
2012-10-31 13:42:45 +00:00
2012-10-29 21:49:46 +00:00
2012-10-31 11:25:32 +00:00
2012-10-31 09:50:01 +00:00
2012-10-09 23:48:34 +00:00
2012-10-08 16:40:38 +00:00
2012-07-11 17:34:12 +00:00

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the HTML documentation provided in docs/index.html for further
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Fork of llvm with experimental commits and workarounds for RPCS3
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