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9e89ba31f1
to work out (in a very simplistic way) which function arguments (pointer arguments only) are only dereferenced and so do not escape. Mark such arguments 'nocapture'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61525 91177308-0d34-0410-b5e6-96231b3b80d8
10 lines
196 B
LLVM
10 lines
196 B
LLVM
; RUN: llvm-as < %s | opt -functionattrs | llvm-dis | not grep read
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; PR2792
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@g = global i32 0 ; <i32*> [#uses=1]
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define i32 @f() {
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%t = volatile load i32* @g ; <i32> [#uses=1]
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ret i32 %t
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}
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