| ; RUN: split-file %s %t |
| ; RUN: llvm-ctxprof-util fromYAML --input %t/profile.yaml --output %t/profile.ctxprofdata |
| ; |
| ; In the given profile, in one of the contexts the indirect call is taken, the |
| ; target we're trying to ICP - GUID:2000 - doesn't appear at all. That should |
| ; contribute to the count of the "indirect call BB". |
| ; RUN: opt %t/test.ll -S -passes='require<ctx-prof-analysis>,module-inline,ctx-prof-flatten' -use-ctx-profile=%t/profile.ctxprofdata -ctx-prof-promote-alwaysinline |
| |
| ; CHECK-LABEL: define i32 @caller(ptr %c) |
| ; CHECK-NEXT: [[CND:[0-9]+]] = icmp eq ptr %c, @one |
| ; CHECK-NEXT: br i1 [[CND]], label %{{.*}}, label %{{.*}}, !prof ![[BW:[0-9]+]] |
| |
| ; CHECK: ![[BW]] = !{!"branch_weights", i32 10, i32 10} |
| |
| ;--- test.ll |
| declare i32 @external(i32 %x) |
| define i32 @one() #0 !guid !0 { |
| call void @llvm.instrprof.increment(ptr @one, i64 123, i32 1, i32 0) |
| call void @llvm.instrprof.callsite(ptr @one, i64 123, i32 1, i32 0, ptr @external) |
| %ret = call i32 @external(i32 1) |
| ret i32 %ret |
| } |
| |
| define i32 @caller(ptr %c) #1 !guid !1 { |
| call void @llvm.instrprof.increment(ptr @caller, i64 567, i32 1, i32 0) |
| call void @llvm.instrprof.callsite(ptr @caller, i64 567, i32 1, i32 0, ptr %c) |
| %ret = call i32 %c() |
| ret i32 %ret |
| } |
| |
| define i32 @root(ptr %c) !guid !2 { |
| call void @llvm.instrprof.increment(ptr @root, i64 432, i32 1, i32 0) |
| call void @llvm.instrprof.callsite(ptr @root, i64 432, i32 2, i32 0, ptr @caller) |
| %a = call i32 @caller(ptr %c) |
| call void @llvm.instrprof.callsite(ptr @root, i64 432, i32 2, i32 1, ptr @caller) |
| %b = call i32 @caller(ptr %c) |
| %ret = add i32 %a, %b |
| ret i32 %ret |
| |
| } |
| |
| attributes #0 = { alwaysinline } |
| attributes #1 = { noinline } |
| !0 = !{i64 1000} |
| !1 = !{i64 3000} |
| !2 = !{i64 4000} |
| |
| ;--- profile.yaml |
| Contexts: |
| - Guid: 4000 |
| TotalRootEntryCount: 10 |
| Counters: [10] |
| Callsites: - |
| - Guid: 3000 |
| Counters: [10] |
| Callsites: - |
| - Guid: 1000 |
| Counters: [10] |
| - |
| - Guid: 3000 |
| Counters: [10] |
| Callsites: - |
| - Guid: 9000 |
| Counters: [10] |
