From: Fangrui Song <maskray@google.com>
Date: Fri, 12 Jul 2019 13:21:58 +0000 (+0000)
Subject: [Driver] Delete dead code
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ddd4b189b464a6a09a0925e429e15ce4a931e669;p=clang

[Driver] Delete dead code

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@365898 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Driver/ToolChains/Arch/Mips.cpp b/lib/Driver/ToolChains/Arch/Mips.cpp
index d506796a36..b512ff64b0 100644
--- a/lib/Driver/ToolChains/Arch/Mips.cpp
+++ b/lib/Driver/ToolChains/Arch/Mips.cpp
@@ -246,7 +246,6 @@ void mips::getMIPSTargetFeatures(const Driver &D, const llvm::Triple &Triple,
   if (IsN64 && NonPIC && (!ABICallsArg || UseAbiCalls)) {
     D.Diag(diag::warn_drv_unsupported_pic_with_mabicalls)
         << LastPICArg->getAsString(Args) << (!ABICallsArg ? 0 : 1);
-    NonPIC = false;
   }
 
   if (ABICallsArg && !UseAbiCalls && IsPIC) {
diff --git a/lib/Driver/ToolChains/Clang.cpp b/lib/Driver/ToolChains/Clang.cpp
index 719123fdc3..a1fe39eab2 100644
--- a/lib/Driver/ToolChains/Clang.cpp
+++ b/lib/Driver/ToolChains/Clang.cpp
@@ -3448,19 +3448,14 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   }
 
   const llvm::Triple *AuxTriple = IsCuda ? TC.getAuxTriple() : nullptr;
-  bool IsWindowsGNU = RawTriple.isWindowsGNUEnvironment();
-  bool IsWindowsCygnus = RawTriple.isWindowsCygwinEnvironment();
   bool IsWindowsMSVC = RawTriple.isWindowsMSVCEnvironment();
   bool IsIAMCU = RawTriple.isOSIAMCU();
 
   // Adjust IsWindowsXYZ for CUDA/HIP compilations.  Even when compiling in
   // device mode (i.e., getToolchain().getTriple() is NVPTX/AMDGCN, not
   // Windows), we need to pass Windows-specific flags to cc1.
-  if (IsCuda || IsHIP) {
+  if (IsCuda || IsHIP)
     IsWindowsMSVC |= AuxTriple && AuxTriple->isWindowsMSVCEnvironment();
-    IsWindowsGNU |= AuxTriple && AuxTriple->isWindowsGNUEnvironment();
-    IsWindowsCygnus |= AuxTriple && AuxTriple->isWindowsCygwinEnvironment();
-  }
 
   // C++ is not supported for IAMCU.
   if (IsIAMCU && types::isCXX(Input.getType()))