File: thumb2-mla.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (25 lines) | stat: -rw-r--r-- 726 bytes parent folder | download | duplicates (35)
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
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 \
; RUN:  -arm-use-mulops=false %s -o - | FileCheck %s -check-prefix=NO_MULOPS

define i32 @f1(i32 %a, i32 %b, i32 %c) {
    %tmp1 = mul i32 %a, %b
    %tmp2 = add i32 %c, %tmp1
    ret i32 %tmp2
}
; CHECK-LABEL: f1:
; CHECK: 	mla	r0, r0, r1, r2
; NO_MULOPS-LABEL: f1:
; NO_MULOPS: muls r0, r1, r0
; NO_MULOPS-NEXT: add r0, r2

define i32 @f2(i32 %a, i32 %b, i32 %c) {
    %tmp1 = mul i32 %a, %b
    %tmp2 = add i32 %tmp1, %c
    ret i32 %tmp2
}
; CHECK-LABEL: f2:
; CHECK: 	mla	r0, r0, r1, r2
; NO_MULOPS-LABEL: f2:
; NO_MULOPS: muls r0, r1, r0
; NO_MULOPS-NEXT: add r0, r2