File: subh-shifted.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (24 lines) | stat: -rw-r--r-- 691 bytes parent folder | download | duplicates (22) 
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 -march=hexagon < %s | FileCheck %s
; CHECK: r{{[0-9]+}} = sub(r{{[0-9]+}}.{{L|l}},r{{[0-9]+}}.{{L|l}}):<<16

; Function Attrs: nounwind readnone
define i64 @f0(i64 %a0, i16 zeroext %a1, i16 zeroext %a2) #0 {
b0:
  %v0 = zext i16 %a1 to i32
  %v1 = zext i16 %a2 to i32
  %v2 = sub nsw i32 %v0, %v1
  %v3 = shl i32 %v2, 16
  %v4 = icmp slt i32 %v3, 65536
  %v5 = ashr exact i32 %v3, 16
  %v6 = select i1 %v4, i32 1, i32 %v5
  %v7 = icmp sgt i32 %v6, 4
  %v8 = add i32 %v6, 65535
  %v9 = shl i64 %a0, 2
  %v10 = and i32 %v8, 65535
  %v11 = zext i32 %v10 to i64
  %v12 = select i1 %v7, i64 3, i64 %v11
  %v13 = or i64 %v12, %v9
  ret i64 %v13
}

attributes #0 = { nounwind readnone }