X86: simplify data layout calculation

X86Subtarget::isTargetCygMing || X86Subtarget::isTargetKnownWindowsMSVC is
equivalent to all Windows environments.  Simplify the check to isOSWindows.
NFC.

llvm-svn: 210431

diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index 59b8cba..f011619 100644 (file)
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -39,8 +39,7 @@ static std::string computeDataLayout(const X86Subtarget &ST) {
     Ret += "-p:32:32";
 
   // Some ABIs align 64 bit integers and doubles to 64 bits, others to 32.
-  if (ST.is64Bit() || ST.isTargetCygMing() || ST.isTargetKnownWindowsMSVC() ||
-      ST.isTargetNaCl())
+  if (ST.is64Bit() || ST.isOSWindows() || ST.isTargetNaCl())
     Ret += "-i64:64";
   else
     Ret += "-f64:32:64";
@@ -60,7 +59,7 @@ static std::string computeDataLayout(const X86Subtarget &ST) {
     Ret += "-n8:16:32";
 
   // The stack is aligned to 32 bits on some ABIs and 128 bits on others.
-  if (!ST.is64Bit() && (ST.isTargetCygMing() || ST.isTargetKnownWindowsMSVC()))
+  if (!ST.is64Bit() && ST.isOSWindows())
     Ret += "-S32";
   else
     Ret += "-S128";