From 11ce02dbddf4b6629b8537f89d742c98c3c2bce2 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Tue, 10 Jul 2007 17:50:43 +0000 Subject: [PATCH] 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 --- lib/CodeGen/IfConversion.cpp | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp index b05f6630ea7..3bddc771ab1 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 PredDefs; + if (TII->DefinesPredicate(I, PredDefs)) BBI.ClobbersPred = true; if ((TID->Flags & M_PREDICABLE) == 0) { -- 2.34.1