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comparison llvm/test/Feature/OperandBundles/function-attrs.ll @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children 2e18cbf3894f
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147:c2174574ed3a 150:1d019706d866
1 ; RUN: opt -S -functionattrs < %s | FileCheck %s
2
3 declare void @f_readonly() readonly
4 declare void @f_readnone() readnone
5
6 define void @test_0(i32* %x) {
7 ; FunctionAttrs must not infer readonly / readnone for %x
8
9 ; CHECK-LABEL: define void @test_0(i32* %x) #2 {
10 entry:
11 ; CHECK: call void @f_readonly() [ "foo"(i32* %x) ]
12 call void @f_readonly() [ "foo"(i32* %x) ]
13 ret void
14 }
15
16 define void @test_1(i32* %x) {
17 ; FunctionAttrs must not infer readonly / readnone for %x
18
19 ; CHECK-LABEL: define void @test_1(i32* %x) #2 {
20 entry:
21 ; CHECK: call void @f_readnone() [ "foo"(i32* %x) ]
22 call void @f_readnone() [ "foo"(i32* %x) ]
23 ret void
24 }
25
26 define void @test_2(i32* %x) {
27 ; The "deopt" operand bundle does not capture or write to %x.
28
29 ; CHECK-LABEL: define void @test_2(i32* nocapture readonly %x)
30 entry:
31 call void @f_readonly() [ "deopt"(i32* %x) ]
32 ret void
33 }
34
35 ; CHECK: attributes #2 = { nofree }
36