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

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (27 lines) | stat: -rw-r--r-- 970 bytes parent folder | download | duplicates (8) 
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 i8* @test(i8* %a, i8* %L, i8* %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 i8* %a to i32
        %1 = sub i32 -2, %0
        %2 = ptrtoint i8* %P to i32
        %3 = sub i32 0, %2
        %4 = ptrtoint i8* %L to i32
        %5 = add i32 %4, %3
	%6 = add i32 %5, %1         	; <i32> [#uses=1]
	%7 = getelementptr i8, i8* %a, i32 %6		; <i8*> [#uses=1]
	br label %return

return:		; preds = %bb3
	ret i8* %7
}