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42c31a7073
chaining and simplify FunctionAttrs' GetModRefBehavior logic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118660 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
316 B
LLVM
19 lines
316 B
LLVM
; RUN: opt < %s -basicaa -functionattrs -S | grep readnone | count 4
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@x = global i32 0
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declare i32 @e() readnone
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define i32 @f() {
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%tmp = call i32 @e( ) ; <i32> [#uses=1]
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ret i32 %tmp
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}
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define i32 @g() readonly {
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ret i32 0
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}
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define i32 @h() readnone {
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%tmp = load i32* @x ; <i32> [#uses=1]
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ret i32 %tmp
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}
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