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81929b6bb0
Adds function attributes to index: ReadNone, ReadOnly, NoRecurse, NoAlias. This attributes will be used for future ThinLTO optimizations that will propagate function attributes across modules. llvm-svn: 310061
28 lines
634 B
LLVM
28 lines
634 B
LLVM
; RUN: opt -module-summary %s -o %t.o
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; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
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; CHECK: <GLOBALVAL_SUMMARY_BLOCK
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; ensure @f is marked readnone
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; CHECK: <PERMODULE {{.*}} op0=0 {{.*}} op3=1
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; ensure @g is marked readonly
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; CHECK: <PERMODULE {{.*}} op0=1 {{.*}} op3=2
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; ensure @h is marked norecurse
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; CHECK: <PERMODULE {{.*}} op0=2 {{.*}} op3=4
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; ensure @i is marked returndoesnotalias
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; CHECK: <PERMODULE {{.*}} op0=3 {{.*}} op3=8
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define void @f() readnone {
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ret void
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}
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define void @g() readonly {
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ret void
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}
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define void @h() norecurse {
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ret void
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}
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define noalias i8* @i() {
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%r = alloca i8
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ret i8* %r
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}
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