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| author | Dan Gohman <gohman@apple.com> | 2010-07-07 23:52:58 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-07-07 23:52:58 +0000 |
| commit | eb9164dc50ec2e532cd559f884a2785be9823b35 (patch) | |
| tree | eb53c8b59cc58a26c889beadc0fbfec0e17e9fe9 /llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | |
| parent | 1adc499dda1f0f38c7cb0e3b7ab85f374c3fc788 (diff) | |
| download | bcm5719-llvm-eb9164dc50ec2e532cd559f884a2785be9823b35.tar.gz bcm5719-llvm-eb9164dc50ec2e532cd559f884a2785be9823b35.zip | |
Don't forward-declare registers for static allocas, which we'll
prefer to materialize as local constants. This fixes the clang
bootstrap abort.
llvm-svn: 107840
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/FastISel.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp index 5a245122775..5b566f675fe 100644 --- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -120,7 +120,9 @@ unsigned FastISel::getRegForValue(const Value *V) { // In bottom-up mode, just create the virtual register which will be used // to hold the value. It will be materialized later. - if (isa<Instruction>(V)) { + if (isa<Instruction>(V) && + (!isa<AllocaInst>(V) || + !FuncInfo.StaticAllocaMap.count(cast<AllocaInst>(V)))) { Reg = createResultReg(TLI.getRegClassFor(VT)); FuncInfo.ValueMap[V] = Reg; return Reg; |
