File: dynamic-frame-size.ll

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (28 lines) | stat: -rw-r--r-- 718 bytes parent folder | download | duplicates (16)
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(<4 x i8*>*)

; Test that a frame which requires dynamic relocation produces a stack map
; with a size of UINT64_MAX.
define void @test(i8* %ptr) gc "erlang" {
   ; 32 byte alignment (for the alloca) is larger than the default
   ; 16 byte alignment
   %slot = alloca <4 x i8*>
   call void @use(<4 x i8*>* %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