File: huge-immediates.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-23
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,800,648 kB
  • sloc: cpp: 6,428,647; 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: 2,888; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (20 lines) | stat: -rw-r--r-- 660 bytes parent folder | download | duplicates (15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
; RUN: opt < %s -passes="print<cost-model>" 2>&1 -disable-output -mtriple=systemz-unknown -mcpu=z13
;
; Test that cost functions can handle immediates of more than 64 bits without crashing.

; Cost of a load which is checked for folding into a compare w/ memory.
define i32 @fun0(ptr %Src) {
  %L = load i72, ptr %Src
  %B = icmp ult i72 %L, 166153499473114484112
  %Res = zext i1 %B to i32
  ret i32 %Res
}

; Cost of a compare which is checked for elimination by Load and Test.
define i32 @fun1(ptr %Src, ptr %Dst) {
  %L = load i72, ptr %Src
  store i72 %L, ptr %Dst
  %B = icmp ult i72 %L, 166153499473114484112
  %Res = zext i1 %B to i32
  ret i32 %Res
}