1# UNSUPPORTED: true 2## This script checks that YamlProfileReader in llvm-bolt is reading data 3## correctly and stale data is corrected by profile inference. 4 5RUN: yaml2obj %p/Inputs/blarge.yaml &> %t.exe 6RUN: llvm-bolt %t.exe -o %t.null -b %p/Inputs/blarge_profile_stale.std-hash.yaml \ 7RUN: --print-cfg --print-only=usqrt,SolveCubic --infer-stale-profile=1 -v=1 \ 8RUN: 2>&1 | FileCheck %s 9 10## Verify that yaml reader works as expected. 11CHECK: pre-processing profile using YAML profile reader 12CHECK: BOLT-INFO: YAML profile with hash: std::hash 13 14## Function "SolveCubic" has stale profile, since there is one jump in the 15## profile (from bid=13 to bid=2) which is not in the CFG in the binary. The test 16## verifies that the inference is able to match two blocks (bid=1 and bid=13) 17## using "loose" hashes and then correctly propagate the counts. 18 19CHECK: Binary Function "SolveCubic" after building cfg { 20CHECK: State : CFG constructed 21CHECK: Address : 0x400e00 22CHECK: Size : 0x368 23CHECK: Section : .text 24CHECK: IsSimple : 1 25CHECK: BB Count : 18 26CHECK: Exec Count : 151 27CHECK: Branch Count: 552 28CHECK: } 29## Verify block counts. 30CHECK: .LBB00 (43 instructions, align : 1) 31CHECK: Successors: .Ltmp[[#BB07:]] (mispreds: 0, count: 0), .LFT[[#BB01:]] (mispreds: 0, count: 151) 32CHECK: .LFT[[#BB01:]] (5 instructions, align : 1) 33CHECK: Successors: .Ltmp[[#BB013:]] (mispreds: 0, count: 151), .LFT[[#BB02:]] (mispreds: 0, count: 0) 34CHECK: .Ltmp[[#BB03:]] (26 instructions, align : 1) 35CHECK: Successors: .Ltmp[[#BB05:]] (mispreds: 0, count: 151), .LFT[[#BB04:]] (mispreds: 0, count: 0) 36CHECK: .Ltmp[[#BB05:]] (9 instructions, align : 1) 37CHECK: .Ltmp[[#BB013:]] (12 instructions, align : 1) 38CHECK: Successors: .Ltmp[[#BB03:]] (mispreds: 0, count: 151) 39CHECK: End of Function "SolveCubic" 40 41## Function "usqrt" has stale profile, since the number of blocks in the profile 42## (nblocks=6) does not match the size of the CFG in the binary. The entry 43## block (bid=0) has an incorrect (missing) count, which should be inferred by 44# #the algorithm. 45 46CHECK: Binary Function "usqrt" after building cfg { 47CHECK: State : CFG constructed 48CHECK: Address : 0x401170 49CHECK: Size : 0x43 50CHECK: Section : .text 51CHECK: IsSimple : 1 52CHECK: BB Count : 5 53CHECK: Exec Count : 20 54CHECK: Branch Count: 640 55CHECK: } 56## Verify block counts. 57CHECK: .LBB01 (4 instructions, align : 1) 58CHECK: Successors: .Ltmp[[#BB113:]] (mispreds: 0, count: 20) 59CHECK: .Ltmp[[#BB113:]] (9 instructions, align : 1) 60CHECK: Successors: .Ltmp[[#BB112:]] (mispreds: 0, count: 320), .LFT[[#BB10:]] (mispreds: 0, count: 0) 61CHECK: .LFT[[#BB10:]] (2 instructions, align : 1) 62CHECK: Successors: .Ltmp[[#BB112:]] (mispreds: 0, count: 0) 63CHECK: .Ltmp[[#BB112:]] (2 instructions, align : 1) 64CHECK: Successors: .Ltmp[[#BB113:]] (mispreds: 0, count: 300), .LFT[[#BB11:]] (mispreds: 0, count: 20) 65CHECK: .LFT[[#BB11:]] (2 instructions, align : 1) 66CHECK: End of Function "usqrt" 67## Check the overall inference stats. 68CHECK: 2 out of 7 functions in the binary (28.6%) have non-empty execution profile 69CHECK: inferred profile for 2 (100.00% of profiled, 100.00% of stale) functions responsible for {{.*}} samples ({{.*}} out of {{.*}}) 70