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If dominator tree is not calculated or is invalidated, set corresponding pointer in the pass state to nullptr. Such pointer value will indicate that operations with dominator tree are not allowed. In particular, it allows to skip verification for such pass state. The dominator tree is not calculated if the machine dominator pass was skipped, it occures in the case of entities with linkage available_externally. The change fixes some test fails observed when expensive checks are enabled. Differential Revision: https://reviews.llvm.org/D29280 llvm-svn: 296742
11 lines
281 B
LLVM
11 lines
281 B
LLVM
; RUN: llc -verify-machine-dom-info < %s | not grep test_
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; test_function should not be emitted to the .s file.
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define available_externally i32 @test_function() {
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ret i32 4
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}
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; test_global should not be emitted to the .s file.
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@test_global = available_externally global i32 4
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