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Clarify what -tailcallopt option actually do.
author
Evan Cheng
<evan.cheng@apple.com>
Wed, 27 Jan 2010 00:10:09 +0000
(
00:10
+0000)
committer
Evan Cheng
<evan.cheng@apple.com>
Wed, 27 Jan 2010 00:10:09 +0000
(
00:10
+0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94628
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/TargetMachine.cpp
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diff --git
a/lib/Target/TargetMachine.cpp
b/lib/Target/TargetMachine.cpp
index fec59b5e2b50de67087220844050cfc7b8e377c8..8d990443be1637e6324c0aaddc16c08ee51e6a89 100644
(file)
--- a/
lib/Target/TargetMachine.cpp
+++ b/
lib/Target/TargetMachine.cpp
@@
-174,7
+174,7
@@
DefCodeModel("code-model",
clEnumValEnd));
static cl::opt<bool, true>
EnablePerformTailCallOpt("tailcallopt",
clEnumValEnd));
static cl::opt<bool, true>
EnablePerformTailCallOpt("tailcallopt",
- cl::desc("Turn
on tail call optimization
."),
+ cl::desc("Turn
fastcc calls into tail calls by (potentially) changing ABI
."),
cl::location(PerformTailCallOpt),
cl::init(false));
static cl::opt<unsigned, true>
cl::location(PerformTailCallOpt),
cl::init(false));
static cl::opt<unsigned, true>