File: smml.ll

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (14 lines) | stat: -rw-r--r-- 398 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 %s -o - | FileCheck %s

define i32 @f(i32 %a, i32 %b, i32 %c) nounwind readnone ssp {
entry:
; CHECK-NOT: smmls
  %conv4 = zext i32 %a to i64
  %conv1 = sext i32 %b to i64
  %conv2 = sext i32 %c to i64
  %mul = mul nsw i64 %conv2, %conv1
  %shr5 = lshr i64 %mul, 32
  %sub = sub nsw i64 %conv4, %shr5
  %conv3 = trunc i64 %sub to i32
  ret i32 %conv3
}