File: 2003-08-03-CallArgLiveRanges.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (21 lines) | stat: -rw-r--r-- 645 bytes parent folder | download | duplicates (27) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; REQUIRES: asserts
; The old instruction selector used to load all arguments to a call up in 
; registers, then start pushing them all onto the stack.  This is bad news as
; it makes a ton of annoying overlapping live ranges.  This code should not
; cause spills!
;
; RUN: llc < %s -mtriple=i686-- -stats 2>&1 | FileCheck %s

; CHECK-NOT: spilled

target datalayout = "e-p:32:32"

define i32 @test(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32) {
        ret i32 0
}

define i32 @main() {
        %X = call i32 @test( i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10 )            ; <i32> [#uses=1]
        ret i32 %X
}