third_party/subzero/tests_lit/asan_tests/globalredzones.ll

; Test of global redzone layout

; REQUIRES: allow_dump

; RUN: %p2i -i %s --args -threads=0 -fsanitize-address \
; RUN:     | FileCheck %s
; RUN: %p2i -i %s --args -verbose=global_init,inst -threads=0 \
; RUN:     -fsanitize-address | FileCheck --check-prefix=DUMP %s

; The array of redzones

; DUMP-LABEL: ========= Instrumented Globals =========
; DUMP: @__$rz_array = internal constant <{ i32, i32, i32, i32, i32, i32 }>
; DUMP:         <{ i32 ptrtoint ([32 x i8]* @__$rz0 to i32), i32 ptrtoint ([32 x i8]* @__$rz1 to i32),
; DUMP:         i32 ptrtoint ([32 x i8]* @__$rz2 to i32), i32 ptrtoint ([32 x i8]* @__$rz3 to i32),
; DUMP:         i32 ptrtoint ([32 x i8]* @__$rz4 to i32), i32 ptrtoint ([32 x i8]* @__$rz5 to i32) }>

; (SPACE is 32 ascii)
; DUMP-NEXT: @__$rz_sizes = internal constant <{ [4 x i8], [4 x i8], [4 x i8], [4 x i8], [4 x i8],
; DUMP-SAME: [4 x i8] }> <{ [4 x i8] c" \00\00\00", [4 x i8] c" \00\00\00", [4 x i8] c" \00\00\00",
; DUMP-SAME: [4 x i8] c" \00\00\00", [4 x i8] c" \00\00\00", [4 x i8] c" \00\00\00" }>

; CHECK-LABEL: .type   __$rz_array,%object
; CHECK-NEXT: .section   .rodata
; CHECK-NEXT: __$rz_array:
; CHECK-NEXT: .long   __$rz0
; CHECK-NEXT: .long   __$rz1
; CHECK-NEXT: .long   __$rz2
; CHECK-NEXT: .long   __$rz3
; CHECK-NEXT: .long   __$rz4
; CHECK-NEXT: .long   __$rz5
; CHECK-LABEL: .type   __$rz_sizes,%object
; CHECK-NEXT: .section   .rodata
; CHECK-NEXT: __$rz_sizes:
; CHECK-NEXT: .byte   32
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   32
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   32
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   32
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   32
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   32
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0
; CHECK-NEXT: .byte   0

; A zero-initialized global
@zeroInitGlobal = internal global [32 x i8] zeroinitializer

; DUMP-NEXT: @__$rz0 = internal global [32 x i8] zeroinitializer
; DUMP-NEXT: @zeroInitGlobal = internal global [32 x i8] zeroinitializer
; DUMP-NEXT: @__$rz1 = internal global [32 x i8] zeroinitializer

; CHECK-LABEL: .type   __$rz0,%object
; CHECK-NEXT: .section   .bss
; CHECK-NEXT: .p2align   5
; CHECK-NEXT: __$rz0:
; CHECK-LABEL: .type   zeroInitGlobal,%object
; CHECK-NEXT: .section   .bss
; CHECK-NEXT: .p2align   5
; CHECK-NEXT: zeroInitGlobal:
; CHECK-LABEL: .type   __$rz1,%object
; CHECK-NEXT: .section   .bss
; CHECK-NEXT: __$rz1:

; A constant-initialized global
@constInitGlobal = internal constant [32 x i8] c"ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"

; CHECK-LABEL: .type   __$rz2,%object
; CHECK-NEXT: .section   .rodata
; CHECK-NEXT: .p2align   5
; CHECK-NEXT: __$rz2:
; CHECK-LABEL: .type   constInitGlobal,%object
; CHECK-NEXT: .section   .rodata
; CHECK-NEXT: .p2align   5
; CHECK-NEXT: constInitGlobal:
; CHECK-LABEL: .type   __$rz3,%object
; CHECK-NEXT: .section   .rodata
; CHECK-NEXT: __$rz3:

; DUMP-NEXT: @__$rz2 = internal constant [32 x i8] c"RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR"
; DUMP-NEXT: @constInitGlobal = internal constant [32 x i8] c"ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"
; DUMP-NEXT: @__$rz3 = internal constant [32 x i8] c"RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR"

; A regular global
@regInitGlobal = internal global [32 x i8] c"ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"

; DUMP-NEXT: @__$rz4 = internal global [32 x i8] c"RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR"
; DUMP-NEXT: @regInitGlobal = internal global [32 x i8] c"ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"
; DUMP-NEXT: @__$rz5 = internal global [32 x i8] c"RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR"

; CHECK-LABEL: .type   __$rz4,%object
; CHECK-NEXT: .section   .data
; CHECK-NEXT: .p2align   5
; CHECK-NEXT: __$rz4:
; CHECK-LABEL: .type   regInitGlobal,%object
; CHECK-NEXT: .section   .data
; CHECK-NEXT: .p2align   5
; CHECK-NEXT: regInitGlobal:
; CHECK-LABEL: .type   __$rz5,%object
; CHECK-NEXT: .section   .data
; CHECK-NEXT: __$rz5:

define internal void @func() {
  ret void
}

; DUMP-LABEL: define internal void @func() {
; CHECK-LABEL: func: