[PATCH] D64657: Fix missing use of defined() in include guard

[David Tenty via Phabricator via llvm-commits]

daltenty created this revision.
Herald added subscribers: llvm-commits, hiraditya, nhaehnle, jvesely, arsenm.
Herald added a project: LLVM.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D64657

Files:
  llvm/lib/Target/AMDGPU/AMDGPULibCalls.cpp


Index: llvm/lib/Target/AMDGPU/AMDGPULibCalls.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/AMDGPULibCalls.cpp
+++ llvm/lib/Target/AMDGPU/AMDGPULibCalls.cpp
@@ -865,7 +865,7 @@
 
 namespace llvm {
 static double log2(double V) {
-#if _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
+#if _XOPEN_SOURCE >= 600 || defined(_ISOC99_SOURCE) || _POSIX_C_SOURCE >= 200112L
   return ::log2(V);
 #else
   return log(V) / 0.693147180559945309417;


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