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-rw-r--r--lib/Target/ARM/ARMConstantIslandPass.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMConstantIslandPass.cpp b/lib/Target/ARM/ARMConstantIslandPass.cpp
index e3b577e21e..52cdd7bd24 100644
--- a/lib/Target/ARM/ARMConstantIslandPass.cpp
+++ b/lib/Target/ARM/ARMConstantIslandPass.cpp
@@ -1718,8 +1718,8 @@ bool ARMConstantIslands::OptimizeThumb2JumpTables(MachineFunction &MF) {
return MadeChange;
}
-/// ReorderThumb2JumpTables - Use tbb / tbh instructions to generate smaller
-/// jumptables when it's possible.
+/// ReorderThumb2JumpTables - Adjust the function's block layout to ensure that
+/// jump tables always branch forwards, since that's what tbb and tbh need.
bool ARMConstantIslands::ReorderThumb2JumpTables(MachineFunction &MF) {
bool MadeChange = false;