File: thumb2-mls.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (19 lines) | stat: -rw-r--r-- 465 bytes parent folder | download | duplicates (44)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s

define i32 @f1(i32 %a, i32 %b, i32 %c) {
    %tmp1 = mul i32 %a, %b
    %tmp2 = sub i32 %c, %tmp1
    ret i32 %tmp2
}
; CHECK-LABEL: f1:
; CHECK: 	mls	r0, r0, r1, r2

; sub doesn't commute, so no mls for this one
define i32 @f2(i32 %a, i32 %b, i32 %c) {
    %tmp1 = mul i32 %a, %b
    %tmp2 = sub i32 %tmp1, %c
    ret i32 %tmp2
}
; CHECK-LABEL: f2:
; CHECK: 	muls	r0, r1, r0