File: adde-carry.ll

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (20 lines) | stat: -rw-r--r-- 499 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
; RUN: llc -march=x86-64 < %s | FileCheck %s -check-prefix=CHECK-64

define void @a(i64* nocapture %s, i64* nocapture %t, i64 %a, i64 %b, i64 %c) nounwind {
entry:
 %0 = zext i64 %a to i128
 %1 = zext i64 %b to i128
 %2 = add i128 %1, %0
 %3 = zext i64 %c to i128
 %4 = shl i128 %3, 64
 %5 = add i128 %4, %2
 %6 = lshr i128 %5, 64
 %7 = trunc i128 %6 to i64
 store i64 %7, i64* %s, align 8
 %8 = trunc i128 %2 to i64
 store i64 %8, i64* %t, align 8
 ret void

; CHECK-64: addq
; CHECK-64: adcq $0
}