59 lines
2.8 KiB
LLVM
59 lines
2.8 KiB
LLVM
; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=x86_64 | FileCheck %s --check-prefixes=CHECK,NORMAL
|
|
; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=x86_64 -unique-section-names=false | FileCheck %s --check-prefixes=CHECK,NOUNIQUE
|
|
; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=x86_64 -function-sections | 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
|
|
|
|
;; Don't use `,unique` if GNU as<2.35.
|
|
; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=x86_64 -function-sections -unique-section-names=false -no-integrated-as | FileCheck %s --check-prefixes=CHECK,SEP_NOUNIQUE_GAS
|
|
|
|
@_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.
|
|
$group = comdat any
|
|
define i32 @group() uwtable comdat personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
|
; CHECK-LABEL: group:
|
|
; CHECK: .cfi_endproc
|
|
; NORMAL-NEXT: .section .gcc_except_table.group,"aG",@progbits,group,comdat{{$}}
|
|
; NOUNIQUE-NEXT: .section .gcc_except_table,"aG",@progbits,group,comdat{{$}}
|
|
; SEP-NEXT: .section .gcc_except_table.group,"aG",@progbits,group,comdat{{$}}
|
|
; SEP_NOUNIQUE-NEXT: .section .gcc_except_table,"aG",@progbits,group,comdat,unique,2
|
|
; SEP_NOUNIQUE_GAS-NEXT: .section .gcc_except_table,"aG",@progbits,group,comdat{{$}}
|
|
entry:
|
|
invoke void @ext() to label %try.cont unwind label %lpad
|
|
lpad:
|
|
%0 = landingpad { i8*, i32 } catch i8* bitcast (i8** @_ZTIi to i8*)
|
|
br label %eh.resume
|
|
try.cont:
|
|
ret i32 0
|
|
eh.resume:
|
|
resume { i8*, i32 } %0
|
|
}
|
|
|
|
;; If the function is not in a comdat group, but function sections is enabled,
|
|
;; use a separate section by either using a unique ID (integrated assembler) or
|
|
;; a suffix (GNU as<2.35).
|
|
define i32 @foo() uwtable personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
|
; CHECK-LABEL: foo:
|
|
; CHECK: .cfi_endproc
|
|
; NORMAL-NEXT: .section .gcc_except_table,"a",@progbits{{$}}
|
|
; NOUNIQUE-NEXT: .section .gcc_except_table,"a",@progbits{{$}}
|
|
; SEP-NEXT: .section .gcc_except_table.foo,"a",@progbits{{$}}
|
|
; SEP_NOUNIQUE-NEXT: .section .gcc_except_table,"a",@progbits,unique,4
|
|
; SEP_NOUNIQUE_GAS-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(...)
|