commit 85ad36b0e01210fad939126e47a994b76a1cbd10
author Davide Italiano <davide@freebsd.org> Thu Dec 15 23:45:11 2016 +0000
committer Davide Italiano <davide@freebsd.org> Thu Dec 15 23:45:11 2016 +0000
tree 202d085344ce100cd5b5afff33568d432a85a6d3
parent 2e1626879e05bf4aa57e0707dc1b6b5261e64c85

[SimplifyLibCalls] Lower fls() to llvm.ctlz().

Differential Revision:  https://reviews.llvm.org/D14590

llvm-svn: 289894

llvm/lib/Analysis/TargetLibraryInfo.cpp

diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
index db0e86a..112118a 100644
--- a/llvm/lib/Analysis/TargetLibraryInfo.cpp
+++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -986,6 +986,9 @@
   case LibFunc::ffs:
   case LibFunc::ffsl:
   case LibFunc::ffsll:
+  case LibFunc::fls:
+  case LibFunc::flsl:
+  case LibFunc::flsll:
     return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
             FTy.getParamType(0)->isIntegerTy());
 
@@ -995,9 +998,6 @@
     return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
             FTy.getReturnType() == FTy.getParamType(0));
 
-  case LibFunc::fls:
-  case LibFunc::flsl:
-  case LibFunc::flsll:
   case LibFunc::abs:
   case LibFunc::labs:
   case LibFunc::llabs: