d944cab731
This patch makes structural-hash-detailed.ll look at diffs rather than specific values to make the test more robust against the underlying hashing implementation while still testing that the hash value is deterministic across multiple runs. Reviewed By: aeubanks Differential Revision: https://reviews.llvm.org/D159154
20 lines
577 B
LLVM
20 lines
577 B
LLVM
; Ensure that the value of the structural hash is consistent across runs to
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; check that we aren't doing something like hashing a pointer that could
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; introduce non-determinism.
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; RUN: opt -passes='print<structural-hash><detailed>' -disable-output %s &> %t.1
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; RUN: opt -passes='print<structural-hash><detailed>' -disable-output %s &> %t.2
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; RUN: diff %t.1 %t.2
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; Check that we get valid output in the detailed case.
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; cat %t.1 | FileCheck %s
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define i64 @f1(i64 %a) {
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ret i64 %a
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}
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; CHECK: Module Hash: {{([a-z0-9]{14,})}}
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; CHECK: Function f1 Hash: {{([a-z0-9]{14,})}}
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