| ; Fine-grained basic block sections, subset of basic blocks in a function. |
| ; Only basic block with id 2 must get a section. |
| ; RUN: echo '!_Z3bazb' > %t |
| ; RUN: echo '!!2' >> %t |
| ; RUN: llc < %s -mtriple=x86_64-pc-linux -function-sections -basicblock-sections=%t -unique-bb-section-names | FileCheck %s -check-prefix=LINUX-SECTIONS |
| |
| define void @_Z3bazb(i1 zeroext) nounwind { |
| %2 = alloca i8, align 1 |
| %3 = zext i1 %0 to i8 |
| store i8 %3, i8* %2, align 1 |
| %4 = load i8, i8* %2, align 1 |
| %5 = trunc i8 %4 to i1 |
| br i1 %5, label %6, label %8 |
| |
| 6: ; preds = %1 |
| %7 = call i32 @_Z3barv() |
| br label %10 |
| |
| 8: ; preds = %1 |
| %9 = call i32 @_Z3foov() |
| br label %10 |
| |
| 10: ; preds = %8, %6 |
| ret void |
| } |
| |
| declare i32 @_Z3barv() #1 |
| |
| declare i32 @_Z3foov() #1 |
| |
| ; Check that the correct block is found using the call insts for foo and bar. |
| ; |
| ; LINUX-SECTIONS: .section .text._Z3bazb,"ax",@progbits |
| ; LINUX-SECTIONS: _Z3bazb: |
| ; Check that the basic block with id 1 doesn't get a section. |
| ; LINUX-SECTIONS-NOT: .section .text._Z3bazb._Z3bazb.{{[0-9]+}},"ax",@progbits |
| ; LINUX-SECTIONS-LABEL: # %bb.1: |
| ; LINUX-SECTIONS-NEXT: callq _Z3barv |
| ; LINUX-SECTIONS: .section .text._Z3bazb._Z3bazb.{{[0-9]+}},"ax",@progbits |
| ; LINUX-SECTIONS-LABEL: _Z3bazb.{{[0-9]+}}: |
| ; LINUX-SECTIONS-NEXT: callq _Z3foov |
| ; LINUX-SECTIONS: .Ltmp0: |
| ; LINUX-SECTIONS-NEXT: .size _Z3bazb.{{[0-9]+}}, .Ltmp0-_Z3bazb.{{[0-9]+}} |
