| ; BB cluster section tests. |
| ; |
| ; Test1: Basic blocks #0 (entry) and #2 will be placed in the same section. |
| ; Basic block 1 will be placed in a unique section. |
| ; The rest will be placed in the cold section. |
| ;; |
| ;; Profile for version 0: |
| ; RUN: echo '!foo' > %t1 |
| ; RUN: echo '!!0 2' >> %t1 |
| ; RUN: echo '!!1' >> %t1 |
| ;; |
| ;; Profile for version 1: |
| ; RUN: echo 'v1' > %t2 |
| ; RUN: echo 'f foo' >> %t2 |
| ; RUN: echo 'c 0 2' >> %t2 |
| ; RUN: echo 'c 1' >> %t2 |
| ; |
| ; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t1 | FileCheck %s -check-prefix=LINUX-SECTIONS1 |
| ; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t2 | FileCheck %s -check-prefix=LINUX-SECTIONS1 |
| ; |
| ; Test2: Basic blocks #1 and #3 will be placed in the same section. |
| ; All other BBs (including the entry block) go into the function's section. |
| ; RUN: echo '!foo' > %t3 |
| ; RUN: echo '!!1 3' >> %t3 |
| ; RUN: echo 'v1' > %t4 |
| ; RUN: echo 'f foo' >> %t4 |
| ; RUN: echo 'c 1 3' >> %t4 |
| ; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t3 | FileCheck %s -check-prefix=LINUX-SECTIONS2 |
| ; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t4 | FileCheck %s -check-prefix=LINUX-SECTIONS2 |
| |
| define void @foo(i1 zeroext) nounwind { |
| %2 = alloca i8, align 1 |
| %3 = zext i1 %0 to i8 |
| store i8 %3, ptr %2, align 1 |
| %4 = load i8, ptr %2, align 1 |
| %5 = trunc i8 %4 to i1 |
| br i1 %5, label %6, label %8 |
| |
| 6: ; preds = %1 |
| %7 = call i32 @bar() |
| br label %10 |
| |
| 8: ; preds = %1 |
| %9 = call i32 @baz() |
| br label %10 |
| |
| 10: ; preds = %8, %6 |
| ret void |
| } |
| |
| declare i32 @bar() #1 |
| |
| declare i32 @baz() #1 |
| |
| ; LINUX-SECTIONS1: .section .text.foo,"ax",@progbits |
| ; LINUX-SECTIONS1-NOT: .section |
| ; LINUX-SECTIONS1-LABEL: foo: |
| ; LINUX-SECTIONS1-NOT: .section |
| ; LINUX-SECTIONS1-NOT: .LBB_END0_{{0-9}}+ |
| ; LINUX-SECTIONS1-LABEL: # %bb.2: |
| ; LINUX-SECTIONS1-NOT: .LBB_END0_{{0-9}}+ |
| ; LINUX-SECTIONS1: .section .text.foo,"ax",@progbits,unique,1 |
| ; LINUX-SECTIONS1-LABEL: foo.__part.1: |
| ; LINUX-SECTIONS1-LABEL: .LBB_END0_1: |
| ; LINUX-SECTIONS1-NEXT: .size foo.__part.1, .LBB_END0_1-foo.__part.1 |
| ; LINUX-SECTIONS1-NOT: .section |
| ; LINUX-SECTIONS1: .section .text.split.foo,"ax",@progbits |
| ; LINUX-SECTIONS1-LABEL: foo.cold: |
| ; LINUX-SECTIONS1-LABEL: .LBB_END0_3: |
| ; LINUX-SECTIONS1-NEXT: .size foo.cold, .LBB_END0_3-foo.cold |
| ; LINUX-SECTIONS1: .section .text.foo,"ax",@progbits |
| ; LINUX-SECTIONS1-LABEL: .Lfunc_end0: |
| ; LINUX-SECTIONS1-NEXT: .size foo, .Lfunc_end0-foo |
| |
| ; LINUX-SECTIONS2: .section .text.foo,"ax",@progbits |
| ; LINUX-SECTIONS2-NOT: .section |
| ; LINUX-SECTIONS2-LABEL: foo: |
| ; LINUX-SECTIONS2-NOT: .LBB_END0_{{0-9}}+ |
| ; LINUX-SECTIONS2-NOT: .section |
| ; LINUX-SECTIONS2-LABEL: # %bb.2: |
| ; LINUX-SECTIONS2-NOT: .LBB_END0_{{0-9}}+ |
| ; LINUX-SECTIONS2: .section .text.foo,"ax",@progbits,unique,1 |
| ; LINUX-SECTIONS2-NEXT: foo.__part.0: |
| ; LINUX-SECTIONS2-NOT: .LBB_END0_{{0-9}}+ |
| ; LINUX-SECTIONS2-NOT: .section |
| ; LINUX-SECTIONS2-LABEL: .LBB0_3: |
| ; LINUX-SECTIONS2-LABEL: .LBB_END0_3: |
| ; LINUX-SECTIONS2-NEXT: .size foo.__part.0, .LBB_END0_3-foo.__part.0 |
| ; LINUX-SECTIONS2: .section .text.foo,"ax",@progbits |
| ; LINUX-SECTIONS2-NOT: .LBB_END0_{{0-9}}+ |
| ; LINUX-SECTIONS2-LABEL: .Lfunc_end0: |
| ; LINUX-SECTIONS2-NEXT: .size foo, .Lfunc_end0-foo |