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Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
-rw-r--r--lib/CodeGen/RegAllocLinearScan.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index c70ff95243..f4f994c9e7 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -224,11 +224,12 @@ unsigned RALinScan::attemptTrivialCoalescing(LiveInterval &cur, unsigned Reg) {
unsigned SrcReg, DstReg;
if (!CopyMI || !tii_->isMoveInstr(*CopyMI, SrcReg, DstReg))
return Reg;
- if (TargetRegisterInfo::isVirtualRegister(SrcReg))
+ if (TargetRegisterInfo::isVirtualRegister(SrcReg)) {
if (!vrm_->isAssignedReg(SrcReg))
return Reg;
else
SrcReg = vrm_->getPhys(SrcReg);
+ }
if (Reg == SrcReg)
return Reg;
@@ -864,7 +865,7 @@ unsigned RALinScan::getFreePhysReg(LiveInterval *cur) {
// If copy coalescer has assigned a "preferred" register, check if it's
// available first.
- if (cur->preference)
+ if (cur->preference) {
if (prt_->isRegAvail(cur->preference)) {
DOUT << "\t\tassigned the preferred register: "
<< tri_->getName(cur->preference) << "\n";
@@ -872,6 +873,7 @@ unsigned RALinScan::getFreePhysReg(LiveInterval *cur) {
} else
DOUT << "\t\tunable to assign the preferred register: "
<< tri_->getName(cur->preference) << "\n";
+ }
// Scan for the first available register.
TargetRegisterClass::iterator I = RC->allocation_order_begin(*mf_);