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| author | Evan Cheng <evan.cheng@apple.com> | 2007-07-10 17:50:43 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-07-10 17:50:43 +0000 |
| commit | 11ce02dbddf4b6629b8537f89d742c98c3c2bce2 (patch) | |
| tree | 04a59064e21a2d4a0c55a3da3b13c82bdf3a7e84 /lib/CodeGen/IfConversion.cpp | |
| parent | 7a616a101225ea33d72f6931b205aa27e1cf919c (diff) | |
| download | llvm-11ce02dbddf4b6629b8537f89d742c98c3c2bce2.tar.gz llvm-11ce02dbddf4b6629b8537f89d742c98c3c2bce2.tar.bz2 llvm-11ce02dbddf4b6629b8537f89d742c98c3c2bce2.tar.xz | |
Somehow this wasn't committed last time. M_CLOBBERS_PRED is gone.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38495 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/IfConversion.cpp')
| -rw-r--r-- | lib/CodeGen/IfConversion.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp index b05f6630ea..3bddc771ab 100644 --- a/lib/CodeGen/IfConversion.cpp +++ b/lib/CodeGen/IfConversion.cpp @@ -84,7 +84,7 @@ namespace { /// IsBrAnalyzable - True if AnalyzeBranch() returns false. /// HasFallThrough - True if BB may fallthrough to the following BB. /// IsUnpredicable - True if BB is known to be unpredicable. - /// ClobbersPredicate- True if BB would modify the predicate (e.g. has + /// ClobbersPred - True if BB could modify predicates (e.g. has /// cmp, call, etc.) /// NonPredSize - Number of non-predicated instructions. /// BB - Corresponding MachineBasicBlock. @@ -588,7 +588,10 @@ void IfConverter::ScanInstructions(BBInfo &BBI) { return; } - if (TID->Flags & M_CLOBBERS_PRED) + // FIXME: Make use of PredDefs? e.g. ADDC, SUBC sets predicates but are + // still potentially predicable. + std::vector<MachineOperand> PredDefs; + if (TII->DefinesPredicate(I, PredDefs)) BBI.ClobbersPred = true; if ((TID->Flags & M_PREDICABLE) == 0) { |