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