File: muloti4.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (18 lines) | stat: -rw-r--r-- 690 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: llc -asm-verbose=false < %s -wasm-keep-registers | FileCheck %s

; Test that 128-bit smul.with.overflow assembles as expected.

target triple = "wasm32-unknown-unknown"

define i128 @call_muloti4(i128 %a, i128 %b) nounwind {
entry:
  %smul = tail call { i128, i1 } @llvm.smul.with.overflow.i128(i128 %a, i128 %b)
  %cmp = extractvalue { i128, i1 } %smul, 1
  %smul.result = extractvalue { i128, i1 } %smul, 0
  %X = select i1 %cmp, i128 %smul.result, i128 42
  ret i128 %X
}

; CHECK: call __muloti4, $pop{{[0-9]*}}, $pop{{[0-9]*}}, $pop{{[0-9]*}}, $pop{{[0-9]*}}, $pop{{[0-9]*}}, $pop{{[0-9]*}}{{$}}

declare { i128, i1 } @llvm.smul.with.overflow.i128(i128, i128) nounwind readnone