74c396afb2
cc https://github.com/llvm/llvm-project/pull/138299 rustc sets `allockind("uninitialized")` - if we copy the attributes as-is when creating a dummy function, Verify complains about `allockind("uninitialized,zeroed")` conflicting, so we need to clear the flag. Co-authored-by: Jamie Hill-Daniel <jamie@osec.io>
18 lines
887 B
LLVM
18 lines
887 B
LLVM
; RUN: opt < %s -passes='dse,verify<memoryssa>' -S | FileCheck %s
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declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) nounwind
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; This should create a declaration for the named variant
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define ptr @undeclared_customalloc(i64 %size, i64 %align) {
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; CHECK-LABEL: @undeclared_customalloc
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; CHECK-NEXT: [[CALL:%.*]] = call ptr @customalloc2_zeroed(i64 [[SIZE:%.*]], i64 [[ALIGN:%.*]])
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; CHECK-NEXT: ret ptr [[CALL]]
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%call = call ptr @customalloc2(i64 %size, i64 %align)
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call void @llvm.memset.p0.i64(ptr %call, i8 0, i64 %size, i1 false)
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ret ptr %call
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}
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declare ptr @customalloc2(i64, i64) allockind("alloc,uninitialized") "alloc-family"="customalloc2" "alloc-variant-zeroed"="customalloc2_zeroed"
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; CHECK-DAG: declare ptr @customalloc2_zeroed(i64, i64) #[[CA2ATTR:[0-9]+]]
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; CHECK-DAG: attributes #[[CA2ATTR]] = { allockind("alloc,zeroed") "alloc-family"="customalloc2" }
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