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Reword this comment to reference a more fundamental issue.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93154 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-01-11 17:14:46 +00:00
parent 4b0345be30
commit 9e83467baa
1 changed files with 2 additions and 2 deletions
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4
lib/Target/X86/X86FastISel.cpp
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@ -1230,8 +1230,8 @@ bool X86FastISel::X86SelectCall(Instruction *I) {
CC != CallingConv::X86_FastCall)
return false;
// On X86, -tailcallopt changes the fastcc ABI. FastISel doesn't
// handle this for now.
// fastcc with -tailcallopt is intended to provide a guaranteed
// tail call optimization. Fastisel doesn't know how to do that.
if (CC == CallingConv::Fast && PerformTailCallOpt)
return false;