1*ea06384bSDaniel Hoekwater;; Check if basic blocks that don't get unique sections are placed in cold sections. 2*ea06384bSDaniel Hoekwater;; Basic block with id 1 and 2 must be in the cold section. 3*ea06384bSDaniel Hoekwater;; 4*ea06384bSDaniel Hoekwater;; Profile for version 0 5*ea06384bSDaniel Hoekwater; RUN: echo '!_Z3bazb' > %t1 6*ea06384bSDaniel Hoekwater; RUN: echo '!!0' >> %t1 7*ea06384bSDaniel Hoekwater;; 8*ea06384bSDaniel Hoekwater;; Profile for version 1 9*ea06384bSDaniel Hoekwater; RUN: echo 'v1' > %t2 10*ea06384bSDaniel Hoekwater; RUN: echo 'f _Z3bazb' >> %t2 11*ea06384bSDaniel Hoekwater; RUN: echo 'c 0' >> %t2 12*ea06384bSDaniel Hoekwater;; 13*ea06384bSDaniel Hoekwater; RUN: llc < %s -mtriple=aarch64 -function-sections -basic-block-sections=%t1 -unique-basic-block-section-names | FileCheck %s -check-prefix=SECTIONS 14*ea06384bSDaniel Hoekwater; RUN: llc < %s -mtriple=aarch64 -function-sections -basic-block-sections=%t2 -unique-basic-block-section-names | FileCheck %s -check-prefix=SECTIONS 15*ea06384bSDaniel Hoekwater; RUN: llc < %s -mtriple=aarch64 -function-sections -basic-block-sections=%t1 -unique-basic-block-section-names -bbsections-cold-text-prefix=".text.unlikely." | FileCheck %s -check-prefix=SPLIT 16*ea06384bSDaniel Hoekwater 17*ea06384bSDaniel Hoekwaterdefine void @_Z3bazb(i1 zeroext %0) nounwind { 18*ea06384bSDaniel Hoekwater br i1 %0, label %2, label %4 19*ea06384bSDaniel Hoekwater 20*ea06384bSDaniel Hoekwater2: ; preds = %1 21*ea06384bSDaniel Hoekwater %3 = call i32 @_Z3barv() 22*ea06384bSDaniel Hoekwater br label %6 23*ea06384bSDaniel Hoekwater 24*ea06384bSDaniel Hoekwater4: ; preds = %1 25*ea06384bSDaniel Hoekwater %5 = call i32 @_Z3foov() 26*ea06384bSDaniel Hoekwater br label %6 27*ea06384bSDaniel Hoekwater 28*ea06384bSDaniel Hoekwater6: ; preds = %2, %4 29*ea06384bSDaniel Hoekwater ret void 30*ea06384bSDaniel Hoekwater} 31*ea06384bSDaniel Hoekwater 32*ea06384bSDaniel Hoekwaterdeclare i32 @_Z3barv() #1 33*ea06384bSDaniel Hoekwater 34*ea06384bSDaniel Hoekwaterdeclare i32 @_Z3foov() #1 35*ea06384bSDaniel Hoekwater 36*ea06384bSDaniel Hoekwater; SECTIONS: .section .text.hot._Z3bazb,"ax",@progbits 37*ea06384bSDaniel Hoekwater; SECTIONS: _Z3bazb: 38*ea06384bSDaniel Hoekwater; Check that the basic block with id 1 doesn't get a section. 39*ea06384bSDaniel Hoekwater; SECTIONS-NOT: .section .text{{.*}}._Z3bazb.1,"ax",@progbits,unique 40*ea06384bSDaniel Hoekwater; Check that a single cold section is started here and id 1 and 2 blocks are placed here. 41*ea06384bSDaniel Hoekwater; SECTIONS: .section .text.split._Z3bazb,"ax",@progbits 42*ea06384bSDaniel Hoekwater; SECTIONS: _Z3bazb.cold: 43*ea06384bSDaniel Hoekwater; SECTIONS-NOT: .section .text.hot._Z3bazb._Z3bazb.2,"ax",@progbits,unique 44*ea06384bSDaniel Hoekwater; SECTIONS: .LBB0_2: 45*ea06384bSDaniel Hoekwater; SECTIONS: .size _Z3bazb, .Lfunc_end{{[0-9]}}-_Z3bazb 46*ea06384bSDaniel Hoekwater 47*ea06384bSDaniel Hoekwater; SPLIT: .section .text.unlikely._Z3bazb,"ax",@progbits 48*ea06384bSDaniel Hoekwater; SPLIT-NEXT: _Z3bazb.cold: 49*ea06384bSDaniel Hoekwater; SPLIT-NEXT: bl _Z3barv 50*ea06384bSDaniel Hoekwater; SPLIT: .LBB0_2: 51*ea06384bSDaniel Hoekwater; SPLIT: .LBB_END0_2: 52