1; COM: Tests to verify that the entry basic block is always placed at the beginning of its section. 2; RUN: echo 'v1' > %t1 3; RUN: echo 'f foo' >> %t1 4; RUN: echo 'c2 0' >> %t1 5; RUN: llc < %s -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t1 -O0 | FileCheck %s -check-prefix=LINUX-SECTIONS1 6 7; RUN: echo 'v1' > %t2 8; RUN: echo 'f foo' >> %t2 9; RUN: echo 'c2' >> %t2 10; RUN: llc < %s -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t2 -O0 | FileCheck %s -check-prefix=LINUX-SECTIONS2 11 12 13define void @foo(i1 %a, i1 %b) { 14b0: 15 br i1 %a, label %b1, label %b2 16 17b1: ; preds = %b0 18 ret void 19 20b2: ; preds = %b0 21 ret void 22} 23 24;; Check that %b0 is emitted at the beginning of the function. 25; LINUX-SECTIONS1: .section .text.foo,"ax",@progbits 26; LINUX-SECTIONS1: foo: 27; LINUX-SECTIONS1: # %bb.0: # %b0 28; LINUX-SECTIONS1: jne foo.cold 29; LINUX-SECTIONS1: # %bb.2: # %b2 30; LINUX-SECTIONS1: retq 31; LINUX-SECTIONS1: .section .text.split.foo,"ax",@progbits 32; LINUX-SECTIONS1: foo.cold: # %b1 33; LINUX-SECTIONS1: retq 34 35; LINUX-SECTIONS2: .section .text.foo,"ax",@progbits 36; LINUX-SECTIONS2: foo: 37; LINUX-SECTIONS2: # %bb.0: # %b0 38; LINUX-SECTIONS2: je foo.__part.0 39; LINUX-SECTIONS2: # %bb.1: # %b1 40; LINUX-SECTIONS2: retq 41; LINUX-SECTIONS2: .section .text.foo,"ax",@progbits 42; LINUX-SECTIONS2: foo.__part.0: # %b2 43; LINUX-SECTIONS2: retq 44