forked from OSchip/llvm-project
58 lines
1.2 KiB
LLVM
58 lines
1.2 KiB
LLVM
; RUN: opt < %s -basicaa -functionattrs -S | FileCheck %s
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; CHECK: define i32 @leaf() #0
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define i32 @leaf() {
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ret i32 1
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}
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; CHECK: define i32 @self_rec() #1
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define i32 @self_rec() {
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%a = call i32 @self_rec()
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ret i32 4
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}
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; CHECK: define i32 @indirect_rec() #1
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define i32 @indirect_rec() {
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%a = call i32 @indirect_rec2()
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ret i32 %a
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}
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; CHECK: define i32 @indirect_rec2() #1
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define i32 @indirect_rec2() {
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%a = call i32 @indirect_rec()
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ret i32 %a
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}
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; CHECK: define i32 @extern() #1
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define i32 @extern() {
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%a = call i32 @k()
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ret i32 %a
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}
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declare i32 @k() readnone
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; CHECK: define internal i32 @called_by_norecurse() #0
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define internal i32 @called_by_norecurse() {
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%a = call i32 @k()
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ret i32 %a
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}
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define void @m() norecurse {
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%a = call i32 @called_by_norecurse()
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ret void
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}
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; CHECK: define internal i32 @called_by_norecurse_indirectly() #0
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define internal i32 @called_by_norecurse_indirectly() {
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%a = call i32 @k()
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ret i32 %a
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}
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define internal void @o() {
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%a = call i32 @called_by_norecurse_indirectly()
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ret void
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}
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define void @p() norecurse {
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call void @o()
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ret void
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}
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; CHECK: attributes #0 = { norecurse readnone }
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; CHECK: attributes #1 = { readnone }
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