| ; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=x86_64 -binutils-version=2.35 | FileCheck %s --check-prefixes=CHECK,NORMAL |
| ; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=x86_64 -binutils-version=2.36 | FileCheck %s --check-prefixes=CHECK,NORMAL |
| ; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=x86_64 -function-sections -binutils-version=2.35 | FileCheck %s --check-prefixes=CHECK,SEP_BFD |
| ; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=x86_64 -function-sections -binutils-version=2.36 | FileCheck %s --check-prefixes=CHECK,SEP |
| |
| ; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=x86_64 -function-sections -unique-section-names=false | FileCheck %s --check-prefixes=CHECK,SEP_NOUNIQUE |
| ; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=x86_64 -unique-section-names=false | FileCheck %s --check-prefixes=CHECK,NOUNIQUE |
| |
| @_ZTIi = external constant i8* |
| |
| ;; If the function is in a comdat group, the generated .gcc_except_table should |
| ;; be placed in the same group, so that .gcc_except_table can be discarded if |
| ;; the comdat is not prevailing. If -funique-section-names, append the function name. |
| $group = comdat any |
| define i32 @group() uwtable comdat personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { |
| ; CHECK-LABEL: group: |
| ; CHECK: .cfi_endproc |
| ; NORMAL-NEXT: .section .gcc_except_table.group,"aG",@progbits,group,comdat{{$}} |
| ; SEP_BFD-NEXT: .section .gcc_except_table.group,"aG",@progbits,group,comdat{{$}} |
| ; SEP-NEXT: .section .gcc_except_table.group,"aGo",@progbits,group,comdat,group{{$}} |
| ; SEP_NOUNIQUE-NEXT: .section .gcc_except_table,"aG",@progbits,group,comdat{{$}} |
| ; NOUNIQUE-NEXT: .section .gcc_except_table,"aG",@progbits,group,comdat{{$}} |
| entry: |
| invoke void @ext() to label %try.cont unwind label %lpad |
| lpad: |
| %0 = landingpad { i8*, i32 } catch i8* bitcast (i8** @_ZTIi to i8*) |
| br label %eh.resume |
| try.cont: |
| ret i32 0 |
| eh.resume: |
| resume { i8*, i32 } %0 |
| } |
| |
| ;; If the function is not in a comdat group, but function sections is enabled, |
| ;; use a separate section by either using a unique ID (integrated assembler) or |
| ;; a suffix (GNU as<2.35). |
| define i32 @foo() uwtable personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { |
| ; CHECK-LABEL: foo: |
| ; CHECK: .cfi_endproc |
| ; NORMAL-NEXT: .section .gcc_except_table,"a",@progbits{{$}} |
| ; SEP_BFD-NEXT: .section .gcc_except_table.foo,"a",@progbits{{$}} |
| ; SEP-NEXT: .section .gcc_except_table.foo,"ao",@progbits,foo{{$}} |
| ; SEP_NOUNIQUE-NEXT: .section .gcc_except_table,"a",@progbits{{$}} |
| ; NOUNIQUE-NEXT: .section .gcc_except_table,"a",@progbits{{$}} |
| entry: |
| invoke void @ext() to label %try.cont unwind label %lpad |
| lpad: |
| %0 = landingpad { i8*, i32 } catch i8* bitcast (i8** @_ZTIi to i8*) |
| br label %eh.resume |
| try.cont: |
| ret i32 0 |
| eh.resume: |
| resume { i8*, i32 } %0 |
| } |
| |
| declare void @ext() |
| |
| declare i32 @__gxx_personality_v0(...) |