1; Fine-grained basic block sections, subset of basic blocks in a function. 2; Only basic block with id 2 must get a section. 3; RUN: echo '!_Z3bazb' > %t 4; RUN: echo '!!2' >> %t 5; RUN: llc < %s -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t -unique-basic-block-section-names | FileCheck %s -check-prefix=LINUX-SECTIONS 6 7define void @_Z3bazb(i1 zeroext) nounwind { 8 %2 = alloca i8, align 1 9 %3 = zext i1 %0 to i8 10 store i8 %3, i8* %2, align 1 11 %4 = load i8, i8* %2, align 1 12 %5 = trunc i8 %4 to i1 13 br i1 %5, label %6, label %8 14 156: ; preds = %1 16 %7 = call i32 @_Z3barv() 17 br label %10 18 198: ; preds = %1 20 %9 = call i32 @_Z3foov() 21 br label %10 22 2310: ; preds = %8, %6 24 ret void 25} 26 27declare i32 @_Z3barv() #1 28 29declare i32 @_Z3foov() #1 30 31; Check that the correct block is found using the call insts for foo and bar. 32; 33; LINUX-SECTIONS: .section .text._Z3bazb,"ax",@progbits 34; LINUX-SECTIONS: _Z3bazb: 35; Check that the basic block with id 1 doesn't get a section. 36; LINUX-SECTIONS-NOT: .section .text._Z3bazb._Z3bazb.{{[0-9]+}},"ax",@progbits 37; LINUX-SECTIONS-LABEL: # %bb.1: 38; LINUX-SECTIONS-NEXT: callq _Z3barv 39; LINUX-SECTIONS: .section .text._Z3bazb.[[SECTION_LABEL:_Z3bazb.[0-9]+]],"ax",@progbits 40; LINUX-SECTIONS-NEXT: [[SECTION_LABEL]]: 41; LINUX-SECTIONS-NEXT: callq _Z3foov 42; LINUX-SECTIONS: .LBB_END0_2: 43; LINUX-SECTIONS-NEXT: .size [[SECTION_LABEL]], .LBB_END0_2-[[SECTION_LABEL]] 44; LINUX-SECTIONS: .section .text._Z3bazb,"ax",@progbits 45; LINUX-SECTIONS: .Lfunc_end0: 46; LINUX-SECTIONS-NEXT: .size _Z3bazb, .Lfunc_end0-_Z3bazb 47