File: mulhs.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (24 lines) | stat: -rw-r--r-- 681 bytes parent folder | download | duplicates (8)
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
; RUN: llc -march=hexagon -early-live-intervals -verify-machineinstrs < %s | FileCheck %s

; CHECK: mpy
; CHECK-NOT: call

target triple = "hexagon"

; Function Attrs: nounwind
define i32 @fred(i64 %x, i64 %y, ptr nocapture %z) #0 {
entry:
  %0 = tail call { i64, i1 } @llvm.smul.with.overflow.i64(i64 %x, i64 %y)
  %1 = extractvalue { i64, i1 } %0, 1
  %2 = extractvalue { i64, i1 } %0, 0
  store i64 %2, ptr %z, align 8
  %conv = zext i1 %1 to i32
  ret i32 %conv
}

; Function Attrs: nounwind readnone
declare { i64, i1 } @llvm.smul.with.overflow.i64(i64, i64) #1

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }