File: dynamic-frame-size.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (28 lines) | stat: -rw-r--r-- 704 bytes parent folder | download | duplicates (15) 
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
 
; RUN: llc < %s | FileCheck %s
target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"

declare void @use(ptr)

; Test that a frame which requires dynamic relocation produces a stack map
; with a size of UINT64_MAX.
define void @test(ptr %ptr) gc "erlang" {
   ; 32 byte alignment (for the alloca) is larger than the default
   ; 16 byte alignment
   %slot = alloca <4 x ptr>
   call void @use(ptr %slot);
   ret void
}

; CHECK: .note.gc
; CHECK-NEXT: .p2align 3
; safe point count
; CHECK: .short	1
; CHECK: .long	.Ltmp0
; stack frame size (in words)
; CHECK: .short	-1
; stack arity (arguments on the stack)
; CHECK: .short	0
; live root count
; CHECK: .short	0