Introduce a new array_pod_sort function and switch LSR to use it
instead of std::sort. This shrinks the release-asserts LSR.o file
by 1100 bytes of code on my system.
We should start using array_pod_sort where possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60335 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 11c56ff..78bd50e 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -243,7 +243,7 @@
// Sort the deadinsts list so that we can trivially eliminate duplicates as we
// go. The code below never adds a non-dead instruction to the worklist, but
// callers may not be so careful.
- std::sort(DeadInsts.begin(), DeadInsts.end());
+ array_pod_sort(DeadInsts.begin(), DeadInsts.end());
// Drop duplicate instructions and those with uses.
for (unsigned i = 0, e = DeadInsts.size()-1; i < e; ++i) {