mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
136 lines
2.6 KiB
LLVM
136 lines
2.6 KiB
LLVM
; RUN: opt < %s -inline-threshold=0 -always-inline -S | FileCheck %s
|
|
;
|
|
; Ensure the threshold has no impact on these decisions.
|
|
; RUN: opt < %s -inline-threshold=20000000 -always-inline -S | FileCheck %s
|
|
; RUN: opt < %s -inline-threshold=-20000000 -always-inline -S | FileCheck %s
|
|
|
|
define i32 @inner1() alwaysinline {
|
|
ret i32 1
|
|
}
|
|
define i32 @outer1() {
|
|
; CHECK-LABEL: @outer1(
|
|
; CHECK-NOT: call
|
|
; CHECK: ret
|
|
|
|
%r = call i32 @inner1()
|
|
ret i32 %r
|
|
}
|
|
|
|
; The always inliner can't DCE internal functions. PR2945
|
|
; CHECK-LABEL: @pr2945(
|
|
define internal i32 @pr2945() nounwind {
|
|
ret i32 0
|
|
}
|
|
|
|
define internal void @inner2(i32 %N) alwaysinline {
|
|
%P = alloca i32, i32 %N
|
|
ret void
|
|
}
|
|
define void @outer2(i32 %N) {
|
|
; The always inliner (unlike the normal one) should be willing to inline
|
|
; a function with a dynamic alloca into one without a dynamic alloca.
|
|
; rdar://6655932
|
|
;
|
|
; CHECK-LABEL: @outer2(
|
|
; CHECK-NOT: call void @inner2
|
|
; CHECK-NOT: call void @inner2
|
|
; CHECK: ret void
|
|
|
|
call void @inner2( i32 %N )
|
|
ret void
|
|
}
|
|
|
|
declare i32 @a() returns_twice
|
|
declare i32 @b() returns_twice
|
|
|
|
define i32 @inner3() alwaysinline {
|
|
entry:
|
|
%call = call i32 @a() returns_twice
|
|
%add = add nsw i32 1, %call
|
|
ret i32 %add
|
|
}
|
|
define i32 @outer3() {
|
|
entry:
|
|
; CHECK-LABEL: @outer3(
|
|
; CHECK-NOT: call i32 @a
|
|
; CHECK: ret
|
|
|
|
%call = call i32 @inner3()
|
|
%add = add nsw i32 1, %call
|
|
ret i32 %add
|
|
}
|
|
|
|
define i32 @inner4() alwaysinline returns_twice {
|
|
entry:
|
|
%call = call i32 @b() returns_twice
|
|
%add = add nsw i32 1, %call
|
|
ret i32 %add
|
|
}
|
|
|
|
define i32 @outer4() {
|
|
entry:
|
|
; CHECK-LABEL: @outer4(
|
|
; CHECK: call i32 @b()
|
|
; CHECK: ret
|
|
|
|
%call = call i32 @inner4() returns_twice
|
|
%add = add nsw i32 1, %call
|
|
ret i32 %add
|
|
}
|
|
|
|
define i32 @inner5(i8* %addr) alwaysinline {
|
|
entry:
|
|
indirectbr i8* %addr, [ label %one, label %two ]
|
|
|
|
one:
|
|
ret i32 42
|
|
|
|
two:
|
|
ret i32 44
|
|
}
|
|
define i32 @outer5(i32 %x) {
|
|
; CHECK-LABEL: @outer5(
|
|
; CHECK: call i32 @inner5
|
|
; CHECK: ret
|
|
|
|
%cmp = icmp slt i32 %x, 42
|
|
%addr = select i1 %cmp, i8* blockaddress(@inner5, %one), i8* blockaddress(@inner5, %two)
|
|
%call = call i32 @inner5(i8* %addr)
|
|
ret i32 %call
|
|
}
|
|
|
|
define void @inner6(i32 %x) alwaysinline {
|
|
entry:
|
|
%icmp = icmp slt i32 %x, 0
|
|
br i1 %icmp, label %return, label %bb
|
|
|
|
bb:
|
|
%sub = sub nsw i32 %x, 1
|
|
call void @inner6(i32 %sub)
|
|
ret void
|
|
|
|
return:
|
|
ret void
|
|
}
|
|
define void @outer6() {
|
|
; CHECK-LABEL: @outer6(
|
|
; CHECK: call void @inner6(i32 42)
|
|
; CHECK: ret
|
|
|
|
entry:
|
|
call void @inner6(i32 42)
|
|
ret void
|
|
}
|
|
|
|
define i32 @inner7() {
|
|
ret i32 1
|
|
}
|
|
define i32 @outer7() {
|
|
; CHECK-LABEL: @outer7(
|
|
; CHECK-NOT: call
|
|
; CHECK: ret
|
|
|
|
%r = call i32 @inner7() alwaysinline
|
|
ret i32 %r
|
|
}
|