reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49

; RUN: llc < %s -mtriple=x86_64-linux -stack-size-section | FileCheck %s

; CHECK-LABEL: func1:
; CHECK-NEXT: .Lfunc_begin0:
; CHECK: .section .stack_sizes,"o",@progbits
; CHECK-NEXT: .quad .Lfunc_begin0
; CHECK-NEXT: .byte 8
define void @func1(i32, i32) #0 {
  alloca i32, align 4
  alloca i32, align 4
  ret void
}

; CHECK-LABEL: func2:
; CHECK-NEXT: .Lfunc_begin1:
; CHECK: .section .stack_sizes,"o",@progbits
; CHECK-NEXT: .quad .Lfunc_begin1
; CHECK-NEXT: .byte 24
define void @func2() #0 {
  alloca i32, align 4
  call void @func1(i32 1, i32 2)
  ret void
}

; Check that we still put .stack_sizes into the corresponding COMDAT group if any.
; CHECK: .section .text._Z4fooTIiET_v,"axG",@progbits,_Z4fooTIiET_v,comdat
; CHECK: .section .stack_sizes,"Go",@progbits,_Z4fooTIiET_v,comdat,.text._Z4fooTIiET_v,unique,1
$_Z4fooTIiET_v = comdat any
define linkonce_odr dso_local i32 @_Z4fooTIiET_v() comdat {
  ret i32 0
}

; Check that we assign a unique ID to .stack_sizes if it is linked with a unique .text section.
; CHECK: .section .text.func3,"ax",@progbits
; CHECK: .section .stack_sizes,"o",@progbits,.text.func3,unique,2
define dso_local i32 @func3() section ".text.func3" {
  %1 = alloca i32, align 4
  store i32 0, i32* %1, align 4
  ret i32 0
}

; CHECK-LABEL: dynalloc:
; CHECK-NOT: .section .stack_sizes
define void @dynalloc(i32 %N) #0 {
  alloca i32, i32 %N
  ret void
}

attributes #0 = { "no-frame-pointer-elim"="true" }