62 lines
1.7 KiB
LLVM
62 lines
1.7 KiB
LLVM
; RUN: opt < %s -inline -inline-remark-attribute --inline-threshold=0 -S | FileCheck %s
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; Test that the inliner adds inline remark attributes to non-inlined callsites.
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declare void @ext();
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define void @foo() {
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call void @bar(i1 true)
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ret void
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}
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define void @bar(i1 %p) {
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br i1 %p, label %bb1, label %bb2
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bb1:
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call void @foo()
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call void @ext()
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ret void
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bb2:
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call void @bar(i1 true)
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ret void
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}
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;; Test 1 - Add different inline remarks to similar callsites.
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define void @test1() {
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; CHECK-LABEL: @test1
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; CHECK-NEXT: call void @bar(i1 true) [[ATTR1:#[0-9]+]]
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; CHECK-NEXT: call void @bar(i1 false) [[ATTR2:#[0-9]+]]
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call void @bar(i1 true)
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call void @bar(i1 false)
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ret void
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}
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define void @noop() {
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ret void
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}
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;; Test 2 - Printed InlineResult messages are followed by InlineCost.
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define void @test2(i8*) {
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; CHECK-LABEL: @test2
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; CHECK-NEXT: call void @noop() [[ATTR3:#[0-9]+]] [ "CUSTOM_OPERAND_BUNDLE"() ]
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; CHECK-NEXT: ret void
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call void @noop() ; extepected to be inlined
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call void @noop() [ "CUSTOM_OPERAND_BUNDLE"() ] ; cannot be inlined because of unsupported operand bundle
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ret void
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}
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;; Test 3 - InlineResult messages come from llvm::isInlineViable()
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define void @test3() {
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; CHECK-LABEL: @test3
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; CHECK-NEXT: call void @test3() [[ATTR4:#[0-9]+]]
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; CHECK-NEXT: ret void
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call void @test3() alwaysinline
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ret void
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}
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; CHECK: attributes [[ATTR1]] = { "inline-remark"="(cost=25, threshold=0)" }
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; CHECK: attributes [[ATTR2]] = { "inline-remark"="(cost=never): recursive" }
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; CHECK: attributes [[ATTR3]] = { "inline-remark"="unsupported operand bundle; (cost={{.*}}, threshold={{.*}})" }
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; CHECK: attributes [[ATTR4]] = { alwaysinline "inline-remark"="(cost=never): recursive call" }
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