diff options
author | Andrew Trick <atrick@apple.com> | 2011-06-28 03:01:46 +0000 |
---|---|---|
committer | Andrew Trick <atrick@apple.com> | 2011-06-28 03:01:46 +0000 |
commit | 56caa098085977c14cfab39d92c7dfa15dde0d90 (patch) | |
tree | 18383186e07b3517063e5629c6b2b0b1bce38077 /lib/Analysis/IVUsers.cpp | |
parent | 15832f61775040995bb8aa6056176425bc2c9088 (diff) | |
download | llvm-56caa098085977c14cfab39d92c7dfa15dde0d90.tar.gz llvm-56caa098085977c14cfab39d92c7dfa15dde0d90.tar.bz2 llvm-56caa098085977c14cfab39d92c7dfa15dde0d90.tar.xz |
indvars --disable-iv-rewrite: sever ties with IVUsers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133988 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/IVUsers.cpp')
-rw-r--r-- | lib/Analysis/IVUsers.cpp | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/lib/Analysis/IVUsers.cpp b/lib/Analysis/IVUsers.cpp index ba4419c95d..7a9dc0f14c 100644 --- a/lib/Analysis/IVUsers.cpp +++ b/lib/Analysis/IVUsers.cpp @@ -21,7 +21,6 @@ #include "llvm/Analysis/Dominators.h" #include "llvm/Analysis/LoopPass.h" #include "llvm/Analysis/ScalarEvolutionExpressions.h" -#include "llvm/Support/CommandLine.h" #include "llvm/Target/TargetData.h" #include "llvm/Assembly/Writer.h" #include "llvm/ADT/STLExtras.h" @@ -39,15 +38,6 @@ INITIALIZE_PASS_DEPENDENCY(ScalarEvolution) INITIALIZE_PASS_END(IVUsers, "iv-users", "Induction Variable Users", false, true) -// IVUsers behavior currently depends on this temporary indvars mode. The -// option must be defined upstream from its uses. -namespace llvm { - bool DisableIVRewrite = false; -} -cl::opt<bool, true> DisableIVRewriteOpt( - "disable-iv-rewrite", cl::Hidden, cl::location(llvm::DisableIVRewrite), - cl::desc("Disable canonical induction variable rewriting")); - Pass *llvm::createIVUsersPass() { return new IVUsers(); } @@ -100,11 +90,6 @@ bool IVUsers::AddUsersIfInteresting(Instruction *I) { if (Width > 64 || (TD && !TD->isLegalInteger(Width))) return false; - // We expect Sign/Zero extension to be eliminated from the IR before analyzing - // any downstream uses. - if (DisableIVRewrite && (isa<SExtInst>(I) || isa<ZExtInst>(I))) - return false; - if (!Processed.insert(I)) return true; // Instruction already handled. |