test: cover shared defer callbr successors - #86
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Depends on goallc/llvm-project#43.
Add a classic-defer shape with nine static defers. O2 merges the final normal and recovery blocks, so the last
llvm.go.defer.edgecallbr has the same default and indirect destination. Cover both optimized IR and execution of all nine deferred calls.Tests:
go test cmd/internal/testdir -run=^Test/LLVM/codegen/codegen/llvm_defer.go$ -v -count=1go test cmd/internal/testdir -run=^Test/LLVM/runtime/llvm_defer.go$ -v -count=1Both tests use the LLVM tools from goallc/llvm-project#43.