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Benjamin Kramer 6a4976d3e0 JumpThreading: Turn a select instruction into branching if it allows to thread one half of the select. 
This is a common pattern coming out of simplifycfg generating gross code.

a:                                       ; preds = %entry
  %sel = select i1 %cmp1, double %add, double 0.000000e+00
  br label %b

b:
  %cond5 = phi double [ %sel, %a ], [ %sub, %entry ]
  %cmp6 = fcmp oeq double %cond5, 0.000000e+00
  br i1 %cmp6, label %if.then, label %if.end

becomes

a:
  br i1 %cmp1, label %b, label %if.then

b:
  %cond5 = phi double [ %sub, %entry ], [ %add, %a ]
  %cmp6 = fcmp oeq double %cond5, 0.000000e+00
  br i1 %cmp6, label %if.then, label %if.end

Skipping block b completely if possible.

llvm-svn: 187880
 		2013-08-07 10:29:38 +00:00
..
Analysis FileCheckize some of the testcases. 2013-08-05 23:43:18 +00:00
Assembler Debug Info: enable verifier for testing cases. 2013-07-29 20:18:19 +00:00
Bindings/Ocaml Fix %t typo in Ocaml bindings test. 2013-07-10 18:55:06 +00:00
Bitcode Make .bc en/decoding of AttrKind stable 2013-07-26 04:16:55 +00:00
BugPoint Debug Info Finder|Verifier: handle DbgLoc attached to instructions. 2013-08-06 19:38:43 +00:00
CodeGen Create a pattern for the "trap" instruction. 2013-08-07 04:00:26 +00:00
DebugInfo Debug Info Finder|Verifier: handle DbgLoc attached to instructions. 2013-08-06 19:38:43 +00:00
ExecutionEngine LLVM Interpreter: MIPS tests should pass 2013-08-07 06:13:21 +00:00
Feature Debug Info Finder|Verifier: handle DbgLoc attached to instructions. 2013-08-06 19:38:43 +00:00
FileCheck Fix handling of CHECK-DAG combined with CHECK-NOT 2013-08-02 11:32:50 +00:00
Instrumentation Change the linkage of these global values to 'internal'. 2013-08-06 22:52:42 +00:00
Integer Rewrite test/Integer tests to use FileCheck instead of grep 2013-04-08 20:18:15 +00:00
JitListener Debug Info: update testing cases to pass verifier. 2013-07-29 18:12:58 +00:00
Linker Debug Info Verifier: enable verification of DICompileUnit. 2013-07-26 20:04:30 +00:00
MC This corrects creation of operands for t2PLDW. It also removes the definition of t2PLDWpci, 2013-08-06 16:07:46 +00:00
Object Add support for the 's' operation to llvm-ar. 2013-07-29 12:40:31 +00:00
Other Use pipefail when available. 2013-07-26 22:32:58 +00:00
TableGen Fix a bug in TableGen where the intrinsic function name recognizer could mis-identify names if one was a prefix substring of the other 2013-07-25 12:32:00 +00:00
Transforms JumpThreading: Turn a select instruction into branching if it allows to thread one half of the select. 2013-08-07 10:29:38 +00:00
Unit Propagate path to ASan/MSan symbolizer into test environment to produce useful reports on errors. 2013-04-04 07:41:00 +00:00
Verifier Reject bitcasts between address spaces with different sizes 2013-07-31 17:49:08 +00:00
YAMLParser
…
tools Remove the mblaze backend from llvm. 2013-07-25 18:55:05 +00:00
CMakeLists.txt llvm/test/CMakeLists.txt: Add llvm-cov in "check-clang". 2013-07-08 08:44:36 +00:00
Makefile add polly to check-all 2013-05-20 18:49:15 +00:00
Makefile.tests Remove dead code from the makefile build system. 2013-07-25 20:25:31 +00:00
TestRunner.sh
…
lit.cfg Remove "lto_on_osx" xfails, now that -rdynamic works on Darwin. 2013-08-04 23:55:24 +00:00
lit.site.cfg.in Allow host triple to be correctly overridden in CMake builds 2013-05-04 07:36:23 +00:00