File: 2008-12-02-dagcombine-3.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (27 lines) | stat: -rw-r--r-- 962 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"
; this should be rearranged to have two +s and one -
define i32 @test(ptr %a, ptr %L, ptr %P) nounwind {
; CHECK-LABEL: test:
; CHECK:       ## %bb.0: ## %entry
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT:    addl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT:    subl %ecx, %eax
; CHECK-NEXT:    addl $-2, %eax
; CHECK-NEXT:    retl
entry:
        %0 = ptrtoint ptr %P to i32
        %1 = sub i32 -2, %0
        %2 = ptrtoint ptr %L to i32
        %3 = ptrtoint ptr %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
}