File: 2008-12-02-dagcombine-3.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 (18 lines) | stat: -rw-r--r-- 692 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; RUN: llc < %s -march=x86 | grep add | count 2
; RUN: llc < %s -march=x86 | grep sub | grep -v subsections | count 1
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin9.5"
; this should be rearranged to have two +s and one -
define i32 @test(i8* %a, i8* %L, i8* %P) nounwind {
entry:
        %0 = ptrtoint i8* %P to i32
        %1 = sub i32 -2, %0
        %2 = ptrtoint i8* %L to i32
        %3 = ptrtoint i8* %a to i32
	%4 = sub i32 %2, %3         	; <i32> [#uses=1]
	%5 = add i32 %1, %4		; <i32> [#uses=1]
	br label %return

return:		; preds = %bb3
	ret i32 %5
}