File: 2008-12-02-dagcombine-1.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; 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: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (27 lines) | stat: -rw-r--r-- 970 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s | FileCheck %s

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"
; a - a should be found and removed, leaving refs to only L and P
define ptr @test(ptr %a, ptr %L, ptr %P) nounwind {
; CHECK-LABEL: test:
; CHECK:       ## %bb.0: ## %entry
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    subl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    addl $-2, %eax
; CHECK-NEXT:    retl
entry:
        %0 = ptrtoint ptr %a to i32
        %1 = sub i32 -2, %0
        %2 = ptrtoint ptr %P to i32
        %3 = sub i32 0, %2
        %4 = ptrtoint ptr %L to i32
        %5 = add i32 %4, %3
	%6 = add i32 %5, %1         	; <i32> [#uses=1]
	%7 = getelementptr i8, ptr %a, i32 %6		; <ptr> [#uses=1]
	br label %return

return:		; preds = %bb3
	ret ptr %7
}