File: ldrd.ll

package info (click to toggle)
llvm-3.0 3.0-10
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 75,412 kB
  • sloc: cpp: 468,043; asm: 109,345; ansic: 13,782; sh: 12,935; ml: 4,716; python: 4,351; perl: 2,096; makefile: 1,905; pascal: 1,578; exp: 389; xml: 283; lisp: 187; csh: 117
file content (24 lines) | stat: -rw-r--r-- 676 bytes parent folder | download | duplicates (2)
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 < %s -mtriple=armv6-apple-darwin -regalloc=linearscan | FileCheck %s -check-prefix=V6
; RUN: llc < %s -mtriple=armv5-apple-darwin -regalloc=linearscan | FileCheck %s -check-prefix=V5
; RUN: llc < %s -mtriple=armv6-eabi -regalloc=linearscan | FileCheck %s -check-prefix=EABI
; rdar://r6949835

; Magic ARM pair hints works best with linearscan.

@b = external global i64*

define i64 @t(i64 %a) nounwind readonly {
entry:
;V6:   ldrd r2, r3, [r2]

;V5:   ldr r{{[0-9]+}}, [r2]
;V5:   ldr r{{[0-9]+}}, [r2, #4]

;EABI: ldr r{{[0-9]+}}, [r2]
;EABI: ldr r{{[0-9]+}}, [r2, #4]

	%0 = load i64** @b, align 4
	%1 = load i64* %0, align 4
	%2 = mul i64 %1, %a
	ret i64 %2
}