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-rw-r--r--lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h b/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h
index 972e13852e..b0680fbb8c 100644
--- a/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h
+++ b/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h
@@ -17,6 +17,10 @@
// GCC #defines PPC on Linux but we use it as our namespace name
#undef PPC
+// Generated files will use "namespace PPC". To avoid symbol clash,
+// undefine PPC here. PPC may be predefined on some hosts.
+#undef PPC
+
namespace llvm {
namespace PPC {
/// Predicate - These are "(BI << 5) | BO" for various predicates.