Use curly braces all the way through long if/else chain for consistency and readability.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190982 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index cc53b0f..3e54c12 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -2252,37 +2252,37 @@
 
   Features[Name] = Enabled;
 
-  if (Name == "mmx")
+  if (Name == "mmx") {
     setMMXLevel(Features, MMX, Enabled);
-  else if (Name == "sse")
+  } else if (Name == "sse") {
     setSSELevel(Features, SSE1, Enabled);
-  else if (Name == "sse2")
+  } else if (Name == "sse2") {
     setSSELevel(Features, SSE2, Enabled);
-  else if (Name == "sse3")
+  } else if (Name == "sse3") {
     setSSELevel(Features, SSE3, Enabled);
-  else if (Name == "ssse3")
+  } else if (Name == "ssse3") {
     setSSELevel(Features, SSSE3, Enabled);
-  else if (Name == "sse4.2")
+  } else if (Name == "sse4.2") {
     setSSELevel(Features, SSE42, Enabled);
-  else if (Name == "sse4.1")
+  } else if (Name == "sse4.1") {
     setSSELevel(Features, SSE41, Enabled);
-  else if (Name == "3dnow")
+  } else if (Name == "3dnow") {
     setMMXLevel(Features, AMD3DNow, Enabled);
-  else if (Name == "3dnowa")
+  } else if (Name == "3dnowa") {
     setMMXLevel(Features, AMD3DNowAthlon, Enabled);
-  else if (Name == "aes") {
+  } else if (Name == "aes") {
     if (Enabled)
       setSSELevel(Features, SSE2, Enabled);
   } else if (Name == "pclmul") {
     if (Enabled)
       setSSELevel(Features, SSE2, Enabled);
-  } else if (Name == "avx")
+  } else if (Name == "avx") {
     setSSELevel(Features, AVX, Enabled);
-  else if (Name == "avx2")
+  } else if (Name == "avx2") {
     setSSELevel(Features, AVX2, Enabled);
-  else if (Name == "avx512f")
+  } else if (Name == "avx512f") {
     setSSELevel(Features, AVX512F, Enabled);
-  else if (Name == "avx512cd" || Name == "avx512er" || Name == "avx512pf") {
+  } else if (Name == "avx512cd" || Name == "avx512er" || Name == "avx512pf") {
     if (Enabled)
       setSSELevel(Features, AVX512F, Enabled);
   } else if (Name == "fma") {