File: huge-immediates.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 (20 lines) | stat: -rw-r--r-- 666 bytes parent folder | download 
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(i72* %Src) {
  %L = load i72, i72* %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(i72* %Src, i72* %Dst) {
  %L = load i72, i72* %Src
  store i72 %L, i72* %Dst
  %B = icmp ult i72 %L, 166153499473114484112
  %Res = zext i1 %B to i32
  ret i32 %Res
}