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authorDimitry Andric <dim@FreeBSD.org>2013-12-22 00:04:03 +0000
committerDimitry Andric <dim@FreeBSD.org>2013-12-22 00:04:03 +0000
commitf8af5cf600354830d4ccf59732403f0f073eccb9 (patch)
tree2ba0398b4c42ad4f55561327538044fd2c925a8b /lib/CodeGen/LiveRegMatrix.cpp
parent59d6cff90eecf31cb3dd860c4e786674cfdd42eb (diff)
Diffstat (limited to 'lib/CodeGen/LiveRegMatrix.cpp')
-rw-r--r--lib/CodeGen/LiveRegMatrix.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/LiveRegMatrix.cpp b/lib/CodeGen/LiveRegMatrix.cpp
index 0ef069f478278..1d801ac914ab0 100644
--- a/lib/CodeGen/LiveRegMatrix.cpp
+++ b/lib/CodeGen/LiveRegMatrix.cpp
@@ -119,9 +119,11 @@ bool LiveRegMatrix::checkRegUnitInterference(LiveInterval &VirtReg,
if (VirtReg.empty())
return false;
CoalescerPair CP(VirtReg.reg, PhysReg, *TRI);
- for (MCRegUnitIterator Units(PhysReg, TRI); Units.isValid(); ++Units)
- if (VirtReg.overlaps(LIS->getRegUnit(*Units), CP, *LIS->getSlotIndexes()))
+ for (MCRegUnitIterator Units(PhysReg, TRI); Units.isValid(); ++Units) {
+ const LiveRange &UnitRange = LIS->getRegUnit(*Units);
+ if (VirtReg.overlaps(UnitRange, CP, *LIS->getSlotIndexes()))
return true;
+ }
return false;
}