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; RUN: opt < %s -inline -S | FileCheck %s
define internal i32 @callee1(i32 %A, i32 %B) {
%C = sdiv i32 %A, %B
ret i32 %C
}
define i32 @caller1() {
; CHECK: define i32 @caller1
; CHECK-NEXT: ret i32 3
%X = call i32 @callee1( i32 10, i32 3 )
ret i32 %X
}
define i32 @caller2() {
; CHECK: @caller2
; CHECK-NOT: call void @callee2
; CHECK: ret
; We contrive to make this hard for *just* the inline pass to do in order to
; simulate what can actually happen with large, complex functions getting
; inlined.
%a = add i32 42, 0
%b = add i32 48, 0
%x = call i32 @callee21(i32 %a, i32 %b)
ret i32 %x
}
define i32 @callee21(i32 %x, i32 %y) {
%sub = sub i32 %y, %x
%result = call i32 @callee22(i32 %sub)
ret i32 %result
}
declare i8* @getptr()
define i32 @callee22(i32 %x) {
%icmp = icmp ugt i32 %x, 42
br i1 %icmp, label %bb.true, label %bb.false
bb.true:
; This block musn't be counted in the inline cost.
%ptr = call i8* @getptr()
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
load volatile i8* %ptr
ret i32 %x
bb.false:
ret i32 %x
}
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