[ppc64] Reenable sibling call optimization on ppc64 since fixed tsan library tail-call issue
print-stack-trace.cc test failure of compiler-rt has been fixed by
r266869 (http://reviews.llvm.org/D19148), so reenable sibling call
optimization on ppc64
Reviewers: nemanjai kbarton
llvm-svn: 267527
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index 0ae4e5e..72335a4 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -55,7 +55,7 @@
static cl::opt<bool> DisablePPCUnaligned("disable-ppc-unaligned",
cl::desc("disable unaligned load/store generation on PPC"), cl::Hidden);
-static cl::opt<bool> DisableSCO("disable-ppc-sco", cl::init(true),
+static cl::opt<bool> DisableSCO("disable-ppc-sco",
cl::desc("disable sibling call optimization on ppc"), cl::Hidden);
STATISTIC(NumTailCalls, "Number of tail calls");