1; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -debug-pass=Structure -enable-fs-discriminator=true -improved-fs-discriminator=true 2>&1 | FileCheck %s --check-prefix=NOPROFILE 2; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -debug-pass=Structure -fs-profile-file=%S/Inputs/fsloader-mfs.afdo -enable-fs-discriminator=true -improved-fs-discriminator=true 2>&1 | FileCheck %s --check-prefix=PROFILE-NOMFS 3; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -debug-pass=Structure -fs-profile-file=%S/Inputs/fsloader-mfs.afdo -split-machine-functions -enable-fs-discriminator=true -improved-fs-discriminator=true 2>&1 | FileCheck %s --check-prefix=PROFILE-MFS 4 5;; No profile is specified, no load passes. 6; NOPROFILE: Add FS discriminators in MIR 7; NO-NOPROFILE: SampleFDO loader in MIR 8; NOPROFILE: Add FS discriminators in MIR 9; NO-NOPROFILE: SampleFDO loader in MIR 10; NOPROFILE: Add FS discriminators in MIR 11; NO-NOPROFILE: SampleFDO loader in MIR 12 13;; Profile is specified, so we have first 2 load passes. 14; PROFILE-NOMFS: Add FS discriminators in MIR 15; PROFILE-NOMFS: SampleFDO loader in MIR 16; PROFILE-NOMFS: Add FS discriminators in MIR 17; PROFILE-NOMFS: SampleFDO loader in MIR 18; PROFILE-NOMFS: Add FS discriminators in MIR 19;; But mfs is not specified, so no "SampleFDO loader should be created" 20; NO-PROFILE-NOMFS: SampleFDO loader in MIR 21 22;; Profile is specified with mfs, so we have 3 load passes. 23; PROFILE-MFS: Add FS discriminators in MIR 24; PROFILE-MFS: SampleFDO loader in MIR 25; PROFILE-MFS: Add FS discriminators in MIR 26; PROFILE-MFS: SampleFDO loader in MIR 27; PROFILE-MFS: Add FS discriminators in MIR 28; PROFILE-MFS: SampleFDO loader in MIR 29; PROFILE-MFS: Machine Function Splitter Transformation 30 31define void @foo4(i1 zeroext %0, i1 zeroext %1) nounwind { 32 br i1 %0, label %3, label %7 33 343: 35 %4 = call i32 @bar() 36 br label %7 37 385: 39 %6 = call i32 @baz() 40 br label %7 41 427: 43 br i1 %1, label %8, label %10 44 458: 46 %9 = call i32 @bam() 47 br label %12 48 4910: 50 %11 = call i32 @baz() 51 br label %12 52 5312: 54 %13 = tail call i32 @qux() 55 ret void 56} 57 58declare i32 @bar() 59declare i32 @baz() 60declare i32 @bam() 61declare i32 @qux() 62