37 lines
905 B
LLVM
37 lines
905 B
LLVM
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; RUN: opt -S -function-attrs < %s | FileCheck %s
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declare void @f_readonly() readonly
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declare void @f_readnone() readnone
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define void @test_0(i32* %x) {
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; FunctionAttrs must not infer readonly / readnone for %x
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; CHECK-LABEL: define void @test_0(i32* %x) #2 {
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entry:
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; CHECK: call void @f_readonly() [ "foo"(i32* %x) ]
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call void @f_readonly() [ "foo"(i32* %x) ]
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ret void
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}
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define void @test_1(i32* %x) {
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; FunctionAttrs must not infer readonly / readnone for %x
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; CHECK-LABEL: define void @test_1(i32* %x) #2 {
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entry:
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; CHECK: call void @f_readnone() [ "foo"(i32* %x) ]
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call void @f_readnone() [ "foo"(i32* %x) ]
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ret void
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}
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define void @test_2(i32* %x) {
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; The "deopt" operand bundle does not capture or write to %x.
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; CHECK-LABEL: define void @test_2(i32* nocapture readonly %x)
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entry:
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call void @f_readonly() [ "deopt"(i32* %x) ]
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ret void
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}
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; CHECK: attributes #2 = { nofree }
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