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authorJeffrey Yasskin <jyasskin@google.com>2010-12-23 00:58:24 +0000
committerJeffrey Yasskin <jyasskin@google.com>2010-12-23 00:58:24 +0000
commit9b43f336205a63e8875f8b87fe0402f2e315369e (patch)
treed5d7af90a6e5163785c09f9c2f49ff7ff8013cb9 /llvm/lib/CodeGen/RegAllocLinearScan.cpp
parentf14bb1e98b21731ef7ddb732f18873162c05f29b (diff)
downloadbcm5719-llvm-9b43f336205a63e8875f8b87fe0402f2e315369e.tar.gz
bcm5719-llvm-9b43f336205a63e8875f8b87fe0402f2e315369e.zip
Change all self assignments X=X to (void)X, so that we can turn on a
new gcc warning that complains on self-assignments and self-initializations. llvm-svn: 122458
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocLinearScan.cpp')
-rw-r--r--llvm/lib/CodeGen/RegAllocLinearScan.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp
index 0875257550b..b18f62be005 100644
--- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/llvm/lib/CodeGen/RegAllocLinearScan.cpp
@@ -934,7 +934,7 @@ LiveInterval *RALinScan::hasNextReloadInterval(LiveInterval *cur) {
void RALinScan::DowngradeRegister(LiveInterval *li, unsigned Reg) {
bool isNew = DowngradedRegs.insert(Reg);
- isNew = isNew; // Silence compiler warning.
+ (void)isNew; // Silence compiler warning.
assert(isNew && "Multiple reloads holding the same register?");
DowngradeMap.insert(std::make_pair(li->reg, Reg));
for (const unsigned *AS = tri_->getAliasSet(Reg); *AS; ++AS) {
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