File: inline-asm-mem-clobber.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (24 lines) | stat: -rw-r--r-- 669 bytes parent folder | download | duplicates (12) 
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
}