forked from OSchip/llvm-project
54 lines
1.4 KiB
LLVM
54 lines
1.4 KiB
LLVM
; RUN: opt < %s -inline -S | FileCheck %s
|
|
; RUN: opt < %s --passes=inline -S | FileCheck %s
|
|
|
|
; Test that functions with attribute optnone are not inlined.
|
|
; Also test that only functions with attribute alwaysinline are
|
|
; valid candidates for inlining if the caller has the optnone attribute.
|
|
|
|
; Function Attrs: alwaysinline nounwind readnone uwtable
|
|
define i32 @alwaysInlineFunction(i32 %a) #0 {
|
|
entry:
|
|
%mul = mul i32 %a, %a
|
|
ret i32 %mul
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone uwtable
|
|
define i32 @simpleFunction(i32 %a) #1 {
|
|
entry:
|
|
%add = add i32 %a, %a
|
|
ret i32 %add
|
|
}
|
|
|
|
; Function Attrs: nounwind noinline optnone readnone uwtable
|
|
define i32 @OptnoneFunction(i32 %a) #2 {
|
|
entry:
|
|
%0 = tail call i32 @alwaysInlineFunction(i32 %a)
|
|
%1 = tail call i32 @simpleFunction(i32 %a)
|
|
%add = add i32 %0, %1
|
|
ret i32 %add
|
|
}
|
|
|
|
; CHECK-LABEL: @OptnoneFunction
|
|
; CHECK-NOT: call i32 @alwaysInlineFunction(i32 %a)
|
|
; CHECK: call i32 @simpleFunction(i32 %a)
|
|
; CHECK: ret
|
|
|
|
; Function Attrs: nounwind readnone uwtable
|
|
define i32 @bar(i32 %a) #1 {
|
|
entry:
|
|
%0 = tail call i32 @OptnoneFunction(i32 5)
|
|
%1 = tail call i32 @simpleFunction(i32 6)
|
|
%add = add i32 %0, %1
|
|
ret i32 %add
|
|
}
|
|
|
|
; CHECK-LABEL: @bar
|
|
; CHECK: call i32 @OptnoneFunction(i32 5)
|
|
; CHECK-NOT: call i32 @simpleFunction(i32 6)
|
|
; CHECK: ret
|
|
|
|
|
|
attributes #0 = { alwaysinline nounwind readnone uwtable }
|
|
attributes #1 = { nounwind readnone uwtable }
|
|
attributes #2 = { nounwind noinline optnone readnone uwtable }
|