File: mul-with-overflow.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (15 lines) | stat: -rw-r--r-- 517 bytes parent folder | download | duplicates (27) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32--

declare {i32, i1} @llvm.umul.with.overflow.i32(i32 %a, i32 %b)
define zeroext i1 @a(i32 %x)  nounwind {
  %res = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %x, i32 3)
  %obil = extractvalue {i32, i1} %res, 1
  ret i1 %obil
}

declare {i32, i1} @llvm.smul.with.overflow.i32(i32 %a, i32 %b)
define zeroext i1 @b(i32 %x)  nounwind {
  %res = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %x, i32 3)
  %obil = extractvalue {i32, i1} %res, 1
  ret i1 %obil
}