commit a75d0da91b1ec01900bc7247a9f877cce832fc48
author Dehao Chen <dehao@google.com> Fri May 05 00:47:34 2017 +0000
committer Dehao Chen <dehao@google.com> Fri May 05 00:47:34 2017 +0000
tree 3d78b4e7e27c4fd78e56baa5237428440ef1416f
parent 3b91b8a16f7f7c56460afe6f1a9338144824ba26

Update VP prof metadata during inlining.

Summary: r298270 added profile update logic for branch_weights. This patch implements profile update logic for VP prof metadata too.

Reviewers: eraman, tejohnson, davidxl

Reviewed By: eraman

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D32773

llvm-svn: 302209

llvm/test/Transforms/Inline/prof-update.ll

diff --git a/llvm/test/Transforms/Inline/prof-update.ll b/llvm/test/Transforms/Inline/prof-update.ll
index 38fcc7e..3fefa1c 100644
--- a/llvm/test/Transforms/Inline/prof-update.ll
+++ b/llvm/test/Transforms/Inline/prof-update.ll
@@ -3,6 +3,7 @@
 
 declare void @ext();
 declare void @ext1();
+@func = global void ()* null
 
 ; CHECK: define void @callee(i32 %n) !prof ![[ENTRY_COUNT:[0-9]*]]
 define void  @callee(i32 %n) !prof !1 {
@@ -17,12 +18,16 @@
 ; ext is cloned and updated.
 ; CHECK: call void @ext(), !prof ![[COUNT_CALLEE:[0-9]*]]
   call void @ext(), !prof !2
+  %f = load void ()*, void ()** @func
+; CHECK: call void %f(), !prof ![[COUNT_IND_CALLEE:[0-9]*]] 
+  call void %f(), !prof !4
   ret void
 }
 
 ; CHECK: define void @caller()
 define void @caller() {
 ; CHECK: call void @ext(), !prof ![[COUNT_CALLER:[0-9]*]]
+; CHECK: call void %f.i(), !prof ![[COUNT_IND_CALLER:[0-9]*]]
   call void @callee(i32 15), !prof !3
   ret void
 }
@@ -32,8 +37,11 @@
 !1 = !{!"function_entry_count", i64 1000}
 !2 = !{!"branch_weights", i64 2000}
 !3 = !{!"branch_weights", i64 400}
+!4 = !{!"VP", i32 0, i64 140, i64 111, i64 80, i64 222, i64 40, i64 333, i64 20}
 attributes #0 = { alwaysinline }
 ; CHECK: ![[ENTRY_COUNT]] = !{!"function_entry_count", i64 600}
 ; CHECK: ![[COUNT_CALLEE1]] = !{!"branch_weights", i64 2000}
-; CHECK: ![[COUNT_CALLEE]] = !{!"branch_weights", i32 1200}
-; CHECK: ![[COUNT_CALLER]] = !{!"branch_weights", i32 800}
+; CHECK: ![[COUNT_CALLEE]] = !{!"branch_weights", i64 1200}
+; CHECK: ![[COUNT_IND_CALLEE]] = !{!"VP", i32 0, i64 84, i64 111, i64 48, i64 222, i64 24, i64 333, i64 12}
+; CHECK: ![[COUNT_CALLER]] = !{!"branch_weights", i64 800}
+; CHECK: ![[COUNT_IND_CALLER]] = !{!"VP", i32 0, i64 56, i64 111, i64 32, i64 222, i64 16, i64 333, i64 8}