commit 8bd42769816ad339bf64ae5ef72078739ed488a9
author Evandro Menezes <e.menezes@samsung.com> Thu Oct 10 21:29:10 2019 +0000
committer Evandro Menezes <e.menezes@samsung.com> Thu Oct 10 21:29:10 2019 +0000
tree 51fafbf8da50ae1e859e68ba82dfa7fb625989ca
parent 8d0744a8b57d975326c0e16f20c4f7440ef2c0e9

[InstCombine] Add test case for PR43617 (NFC)

Also, refactor check in `LibCallSimplifier::optimizeLog()`.

llvm-svn: 374453

llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp

diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
index beb0d30..361b559 100644
--- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -1915,9 +1915,7 @@
   IRBuilder<>::FastMathFlagGuard Guard(B);
   B.setFastMathFlags(FastMathFlags::getFast());
 
-  Function *ArgFn = Arg->getCalledFunction();
-  Intrinsic::ID ArgID =
-      ArgFn ? ArgFn->getIntrinsicID() : Intrinsic::not_intrinsic;
+  Intrinsic::ID ArgID = Arg->getIntrinsicID();
   LibFunc ArgLb = NotLibFunc;
   TLI->getLibFunc(Arg, ArgLb);