File: unaligned_load.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 (34 lines) | stat: -rw-r--r-- 736 bytes parent folder | download | duplicates (8) 
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
29
30
31
32
33
34
 
; RUN: llc < %s -march=xcore | FileCheck %s

; Byte aligned load.
; CHECK: align1
; CHECK: bl __misaligned_load
define i32 @align1(ptr %p) nounwind {
entry:
	%0 = load i32, ptr %p, align 1		; <i32> [#uses=1]
	ret i32 %0
}

; Half word aligned load.
; CHECK-LABEL: align2:
; CHECK: ld16s
; CHECK: ld16s
; CHECK: or
define i32 @align2(ptr %p) nounwind {
entry:
	%0 = load i32, ptr %p, align 2		; <i32> [#uses=1]
	ret i32 %0
}

@a = global [5 x i8] zeroinitializer, align 4

; Constant offset from word aligned base.
; CHECK-LABEL: align3:
; CHECK: ldw {{r[0-9]+}}, dp
; CHECK: ldw {{r[0-9]+}}, dp
; CHECK: or
define i32 @align3() nounwind {
entry:
	%0 = load i32, ptr getelementptr ([5 x i8], ptr @a, i32 0, i32 1), align 1
	ret i32 %0
}