File: opt-sext-intrinsics.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (28 lines) | stat: -rw-r--r-- 802 bytes parent folder | download | duplicates (6) 
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
 
; RUN: llc -mtriple=hexagon -O2 < %s | FileCheck %s
; CHECK-NOT: sxth

target triple = "hexagon"

@g0 = common global i32 0, align 4

define i32 @f0(i32 %a0, i32 %a1) {
b0:
  %v0 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %a0, i32 %a1)
  %v1 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %a1, i32 %a0)
  %v2 = shl i32 %v0, 16
  %v3 = ashr exact i32 %v2, 16
  %v4 = shl i32 %v1, 16
  %v5 = ashr exact i32 %v4, 16
  %v6 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %v0, i32 %v1)
  %v7 = shl i32 %v6, 16
  %v8 = ashr exact i32 %v7, 16
  %v9 = load i32, ptr @g0, align 4
  %v10 = icmp ne i32 %v9, %v6
  %v11 = zext i1 %v10 to i32
  ret i32 %v11
}

; Function Attrs: nounwind readnone
declare i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32, i32) #0

attributes #0 = { nounwind readnone }