From: Manman Ren <manman.ren@gmail.com>
Date: Sun, 8 Dec 2013 20:28:33 +0000 (+0000)
Subject: Revert 196544 due to internal bot failures.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=81860460283c15df3bf492e51c1b4e1b34b08592;p=oota-llvm.git

Revert 196544 due to internal bot failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196732 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/TargetLibraryInfo.cpp b/lib/Target/TargetLibraryInfo.cpp
index 753562077f9..3e68fe16d4a 100644
--- a/lib/Target/TargetLibraryInfo.cpp
+++ b/lib/Target/TargetLibraryInfo.cpp
@@ -401,31 +401,6 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
     TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003");
   }
 
-  // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
-  // and their names are __exp10 and __exp10f. exp10l is not available on
-  // OS X or iOS.
-  if (T.isMacOSX()) {
-    TLI.setUnavailable(LibFunc::exp10l);
-    if (T.isMacOSXVersionLT(10, 9)) {
-      TLI.setUnavailable(LibFunc::exp10);
-      TLI.setUnavailable(LibFunc::exp10f);
-    } else {
-      TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
-      TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
-    }
-  }
-
-  if (T.getOS() == Triple::IOS) {
-    TLI.setUnavailable(LibFunc::exp10l);
-    if (T.isOSVersionLT(7, 0)) {
-      TLI.setUnavailable(LibFunc::exp10);
-      TLI.setUnavailable(LibFunc::exp10f);
-    } else {
-      TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
-      TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
-    }
-  }
-
   // iprintf and friends are only available on XCore and TCE.
   if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
     TLI.setUnavailable(LibFunc::iprintf);
diff --git a/lib/Transforms/Utils/SimplifyLibCalls.cpp b/lib/Transforms/Utils/SimplifyLibCalls.cpp
index b555cf8bddb..15b3e66f94a 100644
--- a/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -1162,12 +1162,6 @@ struct PowOpt : public UnsafeFPLibCallOptimization {
           hasUnaryFloatFn(TLI, Op1->getType(), LibFunc::exp2, LibFunc::exp2f,
                           LibFunc::exp2l))
         return EmitUnaryFloatFnCall(Op2, "exp2", B, Callee->getAttributes());
-      // pow(10.0, x) -> exp10(x)
-      if (Op1C->isExactlyValue(10.0) &&
-          hasUnaryFloatFn(TLI, Op1->getType(), LibFunc::exp10, LibFunc::exp10f,
-                          LibFunc::exp10l))
-        return EmitUnaryFloatFnCall(Op2, TLI->getName(LibFunc::exp10), B,
-                                    Callee->getAttributes());
     }
 
     ConstantFP *Op2C = dyn_cast<ConstantFP>(Op2);
diff --git a/test/Transforms/InstCombine/pow-1.ll b/test/Transforms/InstCombine/pow-1.ll
index 08dfa7a1013..9f1d073fe76 100644
--- a/test/Transforms/InstCombine/pow-1.ll
+++ b/test/Transforms/InstCombine/pow-1.ll
@@ -1,10 +1,6 @@
 ; Test that the pow library call simplifier works correctly.
 ;
 ; RUN: opt < %s -instcombine -S | FileCheck %s
-; RUN: opt -instcombine -S < %s -mtriple=x86_64-apple-macosx10.9 | FileCheck %s --check-prefix=CHECK-EXP10
-; RUN: opt -instcombine -S < %s -mtriple=arm-apple-ios7.0 | FileCheck %s --check-prefix=CHECK-EXP10
-; RUN: opt -instcombine -S < %s -mtriple=x86_64-apple-macosx10.8 | FileCheck %s --check-prefix=CHECK-NO-EXP10
-; RUN: opt -instcombine -S < %s -mtriple=arm-apple-ios6.0 | FileCheck %s --check-prefix=CHECK-NO-EXP10
 ; rdar://7251832
 
 ; NOTE: The readonly attribute on the pow call should be preserved
@@ -167,25 +163,5 @@ define double @test_simplify17(double %x) {
 ; CHECK-NEXT: ret double [[SELECT]]
 }
 
-; Check pow(10.0, x) -> __exp10(x) on OS X 10.9+ and iOS 7.0+.
-
-define float @test_simplify18(float %x) {
-; CHECK-LABEL: @test_simplify18(
-  %retval = call float @powf(float 10.0, float %x)
-; CHECK-EXP10: [[EXP10F:%[_a-z0-9]+]] = call float @__exp10f(float %x) [[NUW_RO:#[0-9]+]]
-  ret float %retval
-; CHECK-EXP10: ret float [[EXP10F]]
-; CHECK-NO-EXP10: call float @powf
-}
-
-define double @test_simplify19(double %x) {
-; CHECK-LABEL: @test_simplify19(
-  %retval = call double @pow(double 10.0, double %x)
-; CHECK-EXP10: [[EXP10:%[_a-z0-9]+]] = call double @__exp10(double %x) [[NUW_RO]]
-  ret double %retval
-; CHECK-EXP10: ret double [[EXP10]]
-; CHECK-NO-EXP10: call double @pow
-}
-
 ; CHECK: attributes [[NUW_RO]] = { nounwind readonly }