http://llvm.org/bugs/show_bug.cgi?id=5364
Summary: Assertion `SRC && "Invalid subregister index in
EXTRACT_SUBREG"'
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Backend: ARM
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=3737)
--> (http://llvm.org/bugs/attachment.cgi?id=3737)
bugpoint reduction
Consider the attached bytecode. Running llc -mcpu=cortex-a8 yeilds:
$ ./llc bugpoint-reduced-simplified.bc -mcpu=cortex-a8
llc: /home/asl/proj/llvm/src_arm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp:410:
void llvm::InstrEmitter::EmitSubregNode(llvm::SDNode*,
llvm::DenseMap<llvm::SDValue, unsigned int, llvm::DenseMapInfo<llvm::SDValue>,
llvm::DenseMapInfo<unsigned int> >&): Assertion `SRC && "Invalid subregister
index in EXTRACT_SUBREG"' failed.
most probably it's due to recent cross-regclass matching stuff (I haven't
verified this though).
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