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| author | Chris Lattner <sabre@nondot.org> | 2008-01-10 05:40:54 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-01-10 05:40:54 +0000 |
| commit | 214884ba03bb3ba791a14db51a61aaa694ddcff8 (patch) | |
| tree | 44a07d6943dabacdc4c3a28eebf2e08885db6073 /utils/TableGen/InstrInfoEmitter.cpp | |
| parent | bc0b9f70ae072d695e0eb7ceb729b3306b0679fe (diff) | |
| download | llvm-214884ba03bb3ba791a14db51a61aaa694ddcff8.tar.gz llvm-214884ba03bb3ba791a14db51a61aaa694ddcff8.tar.bz2 llvm-214884ba03bb3ba791a14db51a61aaa694ddcff8.tar.xz | |
if an instr lacks a pattern, assume it has side effects (unless never has s-e is true).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45823 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/InstrInfoEmitter.cpp')
| -rw-r--r-- | utils/TableGen/InstrInfoEmitter.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/utils/TableGen/InstrInfoEmitter.cpp b/utils/TableGen/InstrInfoEmitter.cpp index 7f25f3c462..bcb8be6625 100644 --- a/utils/TableGen/InstrInfoEmitter.cpp +++ b/utils/TableGen/InstrInfoEmitter.cpp @@ -154,7 +154,10 @@ public: void Analyze(Record *InstRecord) { 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 // nodes. |