| ; BB cluster section test for exception handling. |
| ; |
| ; Test1: Basic blocks #1 and #3 are landing pads and must be in the same section. |
| ; Basic block 2 will be placed in a unique section, but #1 and #3 are placed in the special exception section. |
| ; The rest will be placed in a section along with the entry basic block. |
| ; RUN: echo '!main' > %t1 |
| ; RUN: echo '!!1 2' >> %t1 |
| ; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t1 | FileCheck %s -check-prefix=LINUX-SECTIONS1 |
| ; |
| ; Test2: Basic blocks #1, #2, and #3 go into a separate section. |
| ; No separate exception section will be created as #1 and #3 are already in one section. |
| ; The rest will be placed in a section along with the entry basic block. |
| ; RUN: echo '!main' > %t2 |
| ; RUN: echo '!!1 2 3' >> %t2 |
| ; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t2 | FileCheck %s -check-prefix=LINUX-SECTIONS2 |
| |
| @_ZTIi = external constant ptr |
| |
| define i32 @main() uwtable optsize ssp personality ptr @__gxx_personality_v0 { |
| entry: |
| invoke void @_Z1fv() optsize |
| to label %try.cont unwind label %lpad1 |
| |
| lpad1: |
| %0 = landingpad { ptr, i32 } |
| cleanup |
| catch ptr @_ZTIi |
| br label %eh.resume1 |
| |
| try.cont: |
| invoke void @_Z2fv() optsize |
| to label %try.cont unwind label %lpad2 |
| ret i32 0 |
| |
| lpad2: |
| %2 = landingpad { ptr, i32 } |
| cleanup |
| catch ptr @_ZTIi |
| br label %eh.resume2 |
| |
| eh.resume1: |
| resume { ptr, i32 } %0 |
| |
| eh.resume2: |
| resume { ptr, i32 } %2 |
| } |
| |
| declare void @_Z1fv() optsize |
| |
| declare void @_Z2fv() optsize |
| |
| declare i32 @__gxx_personality_v0(...) |
| |
| ; LINUX-SECTIONS1: .section .text.main,"ax",@progbits |
| ; LINUX-SECTIONS1-LABEL: main: |
| ; LINUX-SECTIONS1-NOT: .section |
| ; LINUX-SECTIONS1-LABEL: .LBB0_4: |
| ; LINUX-SECTIONS1-NOT: .section |
| ; LINUX-SECTIONS1-LABEL: .LBB0_5: |
| ; LINUX-SECTIONS1-NOT: .section |
| ; LINUX-SECTIONS1-LABEL: .LBB0_6: |
| ; LINUX-SECTIONS1: .section .text.main,"ax",@progbits,unique,1 |
| ; LINUX-SECTIONS1-LABEL: main.__part.0: |
| ; LINUX-SECTIONS1: .section .text.eh.main,"ax",@progbits |
| ; LINUX-SECTIONS1-LABEL: main.eh: |
| ; LINUX-SECTIONS1-NOT: .section |
| ; LINUX-SECTIONS1-LABEL: .LBB0_3: |
| ; LINUX-SECTIONS1-NOT: .section |
| ; LINUX-SECTIONS1: .section .text.main,"ax",@progbits |
| ; LINUX-SECTIONS1-LABEL: .Lfunc_end0 |
| |
| |
| ; LINUX-SECTIONS2: .section .text.main,"ax",@progbits |
| ; LINUX-SECTIONS2-LABEL: main: |
| ; LINUX-SECTIONS2-NOT: .section |
| ; LINUX-SECTIONS2-LABEL: .LBB0_4: |
| ; LINUX-SECTIONS2-NOT: .section |
| ; LINUX-SECTIONS2-LABEL: .LBB0_5: |
| ; LINUX-SECTIONS2-NOT: .section |
| ; LINUX-SECTIONS2-LABEL: .LBB0_6: |
| ; LINUX-SECTIONS2: .section .text.main,"ax",@progbits,unique,1 |
| ; LINUX-SECTIONS2-LABEL: main.__part.0: |
| ; LINUX-SECTIONS2-NOT: .section |
| ; LINUX-SECTIONS2-LABEL: .LBB0_2: |
| ; LINUX-SECTIONS2-NOT: .section |
| ; LINUX-SECTIONS2-LABEL: .LBB0_3: |
| ; LINUX-SECTIONS2: .section .text.main,"ax",@progbits |
| ; LINUX-SECTIONS2-LABEL: .Lfunc_end0 |