mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-02-01 05:01:59 +01:00
66e5fa28c2
This uses the same criteria used in CFE's CodeGenPGO to identify hot and cold callees and uses values of inlinehint-threshold and inlinecold-threshold respectively as the thresholds for such callees. Differential Revision: http://reviews.llvm.org/D15245 llvm-svn: 256222
40 lines
998 B
LLVM
40 lines
998 B
LLVM
; RUN: opt < %s -inline -inlinecold-threshold=0 -S | FileCheck %s
|
|
|
|
; This tests that a cold callee gets the (lower) inlinecold-threshold even without
|
|
; Cold hint and does not get inlined because the cost exceeds the inlinecold-threshold.
|
|
; A callee with identical body does gets inlined because cost fits within the
|
|
; inline-threshold
|
|
|
|
define i32 @callee1(i32 %x) !prof !1 {
|
|
%x1 = add i32 %x, 1
|
|
%x2 = add i32 %x1, 1
|
|
%x3 = add i32 %x2, 1
|
|
|
|
ret i32 %x3
|
|
}
|
|
|
|
define i32 @callee2(i32 %x) !prof !2 {
|
|
; CHECK-LABEL: @callee2(
|
|
%x1 = add i32 %x, 1
|
|
%x2 = add i32 %x1, 1
|
|
%x3 = add i32 %x2, 1
|
|
|
|
ret i32 %x3
|
|
}
|
|
|
|
define i32 @caller2(i32 %y1) !prof !2 {
|
|
; CHECK-LABEL: @caller2(
|
|
; CHECK: call i32 @callee2
|
|
; CHECK-NOT: call i32 @callee1
|
|
; CHECK: ret i32 %x3.i
|
|
%y2 = call i32 @callee2(i32 %y1)
|
|
%y3 = call i32 @callee1(i32 %y2)
|
|
ret i32 %y3
|
|
}
|
|
|
|
!llvm.module.flags = !{!0}
|
|
!0 = !{i32 1, !"MaxFunctionCount", i32 1000}
|
|
!1 = !{!"function_entry_count", i64 100}
|
|
!2 = !{!"function_entry_count", i64 1}
|
|
|