From 541a858f1a4e65a714fe54293d43d0861cd12b8f Mon Sep 17 00:00:00 2001 From: Silviu Baranga Date: Wed, 3 Oct 2012 08:29:36 +0000 Subject: Fixed a bug in the ExecutionDependencyFix pass that caused dependencies to not propagate through implicit defs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165102 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/ExecutionDepsFix.cpp | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'lib/CodeGen/ExecutionDepsFix.cpp') diff --git a/lib/CodeGen/ExecutionDepsFix.cpp b/lib/CodeGen/ExecutionDepsFix.cpp index fee8e47b83..2311842671 100644 --- a/lib/CodeGen/ExecutionDepsFix.cpp +++ b/lib/CodeGen/ExecutionDepsFix.cpp @@ -626,9 +626,12 @@ void ExeDepsFix::visitSoftInstr(MachineInstr *mi, unsigned mask) { } dv->Instrs.push_back(mi); - // Finally set all defs and non-collapsed uses to dv. - for (unsigned i = 0, e = mi->getDesc().getNumOperands(); i != e; ++i) { - MachineOperand &mo = mi->getOperand(i); + // Finally set all defs and non-collapsed uses to dv. We must iterate through + // all the operators, including imp-def ones. + for (MachineInstr::mop_iterator ii = mi->operands_begin(), + ee = mi->operands_end(); + ii != ee; ++ii) { + MachineOperand &mo = *ii; if (!mo.isReg()) continue; int rx = regIndex(mo.getReg()); if (rx < 0) continue; -- cgit v1.2.3-18-g5258