File: stack-probe-non-default.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (27 lines) | stat: -rw-r--r-- 1,019 bytes parent folder | download | duplicates (21) 
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
 
; RUN: llc -mtriple thumbv7-windows -mcpu cortex-a9 -o - %s \
; RUN:     | FileCheck %s -check-prefix CHECK-DEFAULT-CODE-MODEL

; RUN: llc -mtriple thumbv7-windows -mcpu cortex-a9 -code-model large -o - %s \
; RUN:     | FileCheck %s -check-prefix CHECK-LARGE-CODE-MODEL

declare dllimport arm_aapcs_vfpcc void @initialise(i8*)

define dllexport arm_aapcs_vfpcc signext i8 @function(i32 %offset) #0 {
entry:
  %buffer = alloca [4096 x i8], align 1
  %0 = getelementptr inbounds [4096 x i8], [4096 x i8]* %buffer, i32 0, i32 0
  call arm_aapcs_vfpcc void @initialise(i8* %0)
  %arrayidx = getelementptr inbounds [4096 x i8], [4096 x i8]* %buffer, i32 0, i32 %offset
  %1 = load i8, i8* %arrayidx, align 1
  ret i8 %1
}

attributes #0 = { "stack-probe-size"="8096" }

; CHECK-DEFAULT-CODE-MODEL-NOT: __chkstk
; CHECK-DEFAULT-CODE-MODEL: sub.w sp, sp, #4096

; CHECK-LARGE-CODE-MODEL-NOT: movw r12, :lower16:__chkstk
; CHECK-LARGE-CODE-MODEL-NOT: movt r12, :upper16:__chkstk
; CHECK-LARGE-CODE-MODEL: sub.w sp, sp, #4096