File: 2009-01-02-SignedNegativeStride.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 (43 lines) | stat: -rw-r--r-- 1,104 bytes parent folder | download | duplicates (12) 
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s
; PR3275

; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'func_15'
; CHECK-NOT: /u -1

@g_16 = external global i16		; <ptr> [#uses=3]
@.str = external constant [4 x i8]		; <ptr> [#uses=0]

define void @func_15() nounwind {
entry:
	%0 = load i16, ptr @g_16, align 2		; <i16> [#uses=1]
	%1 = icmp sgt i16 %0, 0		; <i1> [#uses=1]
	br i1 %1, label %bb2, label %bb.nph

bb.nph:		; preds = %entry
	%g_16.promoted = load i16, ptr @g_16		; <i16> [#uses=1]
	br label %bb

bb:		; preds = %bb1, %bb.nph
	%g_16.tmp.0 = phi i16 [ %g_16.promoted, %bb.nph ], [ %2, %bb1 ]		; <i16> [#uses=1]
	%2 = add i16 %g_16.tmp.0, -1		; <i16> [#uses=3]
	br label %bb1

bb1:		; preds = %bb
	%3 = icmp sgt i16 %2, 0		; <i1> [#uses=1]
	br i1 %3, label %bb1.bb2_crit_edge, label %bb

bb1.bb2_crit_edge:		; preds = %bb1
	store i16 %2, ptr @g_16
	br label %bb2

bb2:		; preds = %bb1.bb2_crit_edge, %entry
	br label %return

return:		; preds = %bb2
	ret void
}

declare i32 @main() nounwind

declare i32 @printf(ptr, ...) nounwind