205f7ee737
Do not emit a warning if there are two null noalias arguments, as they cannot be dereferenced anyway. This is a common pattern for `@.omp_outlined`, which has some optional noalias arguments.
15 lines
455 B
LLVM
15 lines
455 B
LLVM
; RUN: opt < %s -passes=lint -disable-output 2>&1 | FileCheck --allow-empty %s
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declare void @foo(ptr noalias, ptr noalias)
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define void @test() {
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entry:
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call void @foo(ptr null, ptr null)
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ret void
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}
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; Lint should not complain about passing null to both arguments if they are
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; null, since noalias only applies if the argument is written to, which is not
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; possible for a null pointer.
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; CHECK-NOT: Unusual: noalias argument aliases another argument
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