mirror of
https://github.com/RPCS3/llvm.git
synced 2025-05-23 22:06:19 +00:00
e9e07465ef
Added ability to estimate the entry count of the extracted function and the branch probabilities of the exit branches. Patch by River Riddle! Differential Revision: https://reviews.llvm.org/D22744 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277411 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
884 B
LLVM
35 lines
884 B
LLVM
; RUN: opt < %s -partial-inliner -S | FileCheck %s
|
|
|
|
; This test checks to make sure that CodeExtractor updates
|
|
; the exit branch probabilities for multiple exit blocks.
|
|
|
|
define i32 @inlinedFunc(i1 %cond) !prof !1 {
|
|
entry:
|
|
br i1 %cond, label %if.then, label %return, !prof !2
|
|
if.then:
|
|
br i1 %cond, label %return, label %return.2, !prof !3
|
|
return.2:
|
|
ret i32 10
|
|
return: ; preds = %entry
|
|
ret i32 0
|
|
}
|
|
|
|
|
|
define internal i32 @dummyCaller(i1 %cond) !prof !1 {
|
|
entry:
|
|
%val = call i32 @inlinedFunc(i1 %cond)
|
|
ret i32 %val
|
|
|
|
; CHECK-LABEL: @dummyCaller
|
|
; CHECK: call
|
|
; CHECK-NEXT: br i1 {{.*}}!prof [[COUNT1:![0-9]+]]
|
|
}
|
|
|
|
!llvm.module.flags = !{!0}
|
|
!0 = !{i32 1, !"MaxFunctionCount", i32 10000}
|
|
!1 = !{!"function_entry_count", i64 10000}
|
|
!2 = !{!"branch_weights", i32 5, i32 5}
|
|
!3 = !{!"branch_weights", i32 4, i32 1}
|
|
|
|
; CHECK: [[COUNT1]] = !{!"branch_weights", i32 8, i32 31}
|