Remove HasFnAttribute guards to getFnAttribute calls

These checks are redundant and can be removed

Reviewers: hans

Subscribers: llvm-commits, mzolotukhin

Differential Revision: http://reviews.llvm.org/D18564

llvm-svn: 264872

5 files changed, 5 insertions, 11 deletions

diff --git a/llvm/lib/Target/ARM/ARMTargetMachine.cpp b/llvm/lib/Target/ARM/ARMTargetMachine.cpp
index 4c58f8b59e1..390b39c4ece 100644
--- a/llvm/lib/Target/ARM/ARMTargetMachine.cpp
+++ b/llvm/lib/Target/ARM/ARMTargetMachine.cpp
@@ -219,7 +219,6 @@ ARMBaseTargetMachine::getSubtargetImpl(const Function &F) const {
   // it as a key for the subtarget since that can be the only difference
   // between two functions.
   bool SoftFloat =
-      F.hasFnAttribute("use-soft-float") &&
       F.getFnAttribute("use-soft-float").getValueAsString() == "true";
   // If the soft float attribute is set on the function turn on the soft float
   // subtarget feature.
diff --git a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
index 230f2f9c5f2..8d5af9458be 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -245,8 +245,7 @@ PPCTargetMachine::getSubtargetImpl(const Function &F) const {
   // it as a key for the subtarget since that can be the only difference
   // between two functions.
   bool SoftFloat =
-    F.hasFnAttribute("use-soft-float") &&
-    F.getFnAttribute("use-soft-float").getValueAsString() == "true";
+      F.getFnAttribute("use-soft-float").getValueAsString() == "true";
   // If the soft float attribute is set on the function turn on the soft float
   // subtarget feature.
   if (SoftFloat)
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index 382de993459..397303003a9 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -157,7 +157,6 @@ X86TargetMachine::getSubtargetImpl(const Function &F) const {
   // it as a key for the subtarget since that can be the only difference
   // between two functions.
   bool SoftFloat =
-      F.hasFnAttribute("use-soft-float") &&
       F.getFnAttribute("use-soft-float").getValueAsString() == "true";
   // If the soft float attribute is set on the function turn on the soft float
   // subtarget feature.
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp
index 1f84eca6059..c18887f697e 100644
--- a/llvm/lib/Transforms/Utils/LoopUtils.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp
@@ -472,12 +472,10 @@ bool RecurrenceDescriptor::hasMultipleUsesOf(
 bool RecurrenceDescriptor::isReductionPHI(PHINode *Phi, Loop *TheLoop,
                                           RecurrenceDescriptor &RedDes) {
 
-  bool HasFunNoNaNAttr = false;
   BasicBlock *Header = TheLoop->getHeader();
   Function &F = *Header->getParent();
-  if (F.hasFnAttribute("no-nans-fp-math"))
-    HasFunNoNaNAttr =
-        F.getFnAttribute("no-nans-fp-math").getValueAsString() == "true";
+  bool HasFunNoNaNAttr =
+      F.getFnAttribute("no-nans-fp-math").getValueAsString() == "true";
 
   if (AddReductionVar(Phi, RK_IntegerAdd, TheLoop, HasFunNoNaNAttr, RedDes)) {
     DEBUG(dbgs() << "Found an ADD reduction PHI." << *Phi << "\n");
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 1361961ebae..d2504c5e41d 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -4516,9 +4516,8 @@ bool LoopVectorizationLegality::canVectorizeInstrs() {
   // Look for the attribute signaling the absence of NaNs.
   Function &F = *Header->getParent();
   const DataLayout &DL = F.getParent()->getDataLayout();
-  if (F.hasFnAttribute("no-nans-fp-math"))
-    HasFunNoNaNAttr =
-        F.getFnAttribute("no-nans-fp-math").getValueAsString() == "true";
+  HasFunNoNaNAttr =
+      F.getFnAttribute("no-nans-fp-math").getValueAsString() == "true";
 
   // For each block in the loop.
   for (Loop::block_iterator bb = TheLoop->block_begin(),