File: inline-asm-mem-clobber.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (24 lines) | stat: -rw-r--r-- 669 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; RUN: llc -O2 -no-integrated-as < %s | FileCheck %s

; XCore default subtarget does not support 8-byte alignment on stack.
; XFAIL: target=xcore{{.*}}

@G = common global i32 0, align 4

define i32 @foo(ptr %p) nounwind uwtable {
entry:
  %p.addr = alloca ptr, align 8
  %rv = alloca i32, align 4
  store ptr %p, ptr %p.addr, align 8
  store i32 0, ptr @G, align 4
  %0 = load ptr, ptr %p.addr, align 8
; CHECK: blah
  %1 = call i32 asm "blah", "=r,r,~{memory}"(ptr %0) nounwind
; CHECK: {{[^[:alnum:]]}}G{{[^[:alnum:]]}}
  store i32 %1, ptr %rv, align 4
  %2 = load i32, ptr %rv, align 4
  %3 = load i32, ptr @G, align 4
  %add = add nsw i32 %2, %3
  ret i32 %add
}