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if an instr lacks a pattern, assume it has side effects (unless never has s-e is true).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45823 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-01-10 05:40:54 +00:00
parent bc0b9f70ae
commit 214884ba03
1 changed files with 4 additions and 1 deletions
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5
utils/TableGen/InstrInfoEmitter.cpp
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@ -154,7 +154,10 @@ public:
void Analyze(Record *InstRecord) { void Analyze(Record *InstRecord) {
const TreePattern *Pattern = CDP.getInstruction(InstRecord).getPattern(); const TreePattern *Pattern = CDP.getInstruction(InstRecord).getPattern();
if (Pattern == 0) return; // No pattern. if (Pattern == 0) {
HasSideEffects = 1;
return; // No pattern.
}
// FIXME: Assume only the first tree is the pattern. The others are clobber // FIXME: Assume only the first tree is the pattern. The others are clobber
// nodes. // nodes.