File: hwmult32.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (44 lines) | stat: -rw-r--r-- 847 bytes parent folder | download | duplicates (20) 
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
35
36
37
38
39
40
41
42
43
44
 
; RUN: llc -O0 -mhwmult=32bit < %s | FileCheck %s
; RUN: llc -O0 -mattr=+hwmult32 < %s | FileCheck %s

target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16-a0:16:16"
target triple = "msp430---elf"

@g_i32 = global i32 123, align 8
@g_i64 = global i64 456, align 8
@g_i16 = global i16 789, align 8

define i16 @mpyi() #0 {
entry:
; CHECK: mpyi:

; CHECK: call #__mspabi_mpyi_hw
  %0 = load volatile i16, i16* @g_i16, align 8
  %1 = mul i16 %0, %0

  ret i16 %1
}

define i32 @mpyli() #0 {
entry:
; CHECK: mpyli:

; CHECK: call #__mspabi_mpyl_hw32
  %0 = load volatile i32, i32* @g_i32, align 8
  %1 = mul i32 %0, %0

  ret i32 %1
}

define i64 @mpylli() #0 {
entry:
; CHECK: mpylli:

; CHECK: call #__mspabi_mpyll_hw32
  %0 = load volatile i64, i64* @g_i64, align 8
  %1 = mul i64 %0, %0

  ret i64 %1
}

attributes #0 = { nounwind }