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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-10-15 21:57:41 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-10-15 21:57:41 +0000 |
| commit | fb9ebbf236974beac31705eaeb9f50ab585af6ab (patch) | |
| tree | 7d01bb6c43ca1854b208c80f34b6158644eb78f9 /lib/CodeGen/VirtRegMap.cpp | |
| parent | e4f273908bd37df5f0f6b2c575dcb2af99f6b85b (diff) | |
| download | llvm-fb9ebbf236974beac31705eaeb9f50ab585af6ab.tar.gz llvm-fb9ebbf236974beac31705eaeb9f50ab585af6ab.tar.bz2 llvm-fb9ebbf236974beac31705eaeb9f50ab585af6ab.tar.xz | |
Switch most getReservedRegs() clients to the MRI equivalent.
Using the cached bit vector in MRI avoids comstantly allocating and
recomputing the reserved register bit vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165983 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
| -rw-r--r-- | lib/CodeGen/VirtRegMap.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp index a69a8169d3..bb93bdc0bc 100644 --- a/lib/CodeGen/VirtRegMap.cpp +++ b/lib/CodeGen/VirtRegMap.cpp @@ -257,9 +257,6 @@ void VirtRegRewriter::rewrite() { SmallVector<unsigned, 8> SuperDeads; SmallVector<unsigned, 8> SuperDefs; SmallVector<unsigned, 8> SuperKills; -#ifndef NDEBUG - BitVector Reserved = TRI->getReservedRegs(*MF); -#endif for (MachineFunction::iterator MBBI = MF->begin(), MBBE = MF->end(); MBBI != MBBE; ++MBBI) { @@ -283,7 +280,7 @@ void VirtRegRewriter::rewrite() { unsigned PhysReg = VRM->getPhys(VirtReg); assert(PhysReg != VirtRegMap::NO_PHYS_REG && "Instruction uses unmapped VirtReg"); - assert(!Reserved.test(PhysReg) && "Reserved register assignment"); + assert(!MRI->isReserved(PhysReg) && "Reserved register assignment"); // Preserve semantics of sub-register operands. if (MO.getSubReg()) { |