forked from OSchip/llvm-project
90 lines
2.0 KiB
LLVM
90 lines
2.0 KiB
LLVM
; 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
|
|
}
|