You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
931 B
27 lines
931 B
4 months ago
|
; RUN: opt -indvars -scalar-evolution -analyze < %s | FileCheck %s
|
||
|
|
; This test checks if the SCEV analysis is printed out at all.
|
||
|
|
; It failed once as the RequiredTransitive option was not implemented
|
||
|
|
; correctly.
|
||
|
|
|
||
|
|
; CHECK: Classifying expressions for: @main
|
||
|
|
|
||
|
|
define i32 @main() nounwind {
|
||
|
|
entry:
|
||
|
|
br label %for.cond
|
||
|
|
|
||
|
|
for.cond: ; preds = %for.inc, %entry
|
||
|
|
%indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ] ; <i64> [#uses=3]
|
||
|
|
%exitcond = icmp ne i64 %indvar1, 1024 ; <i1> [#uses=1]
|
||
|
|
br i1 %exitcond, label %for.body, label %for.end
|
||
|
|
|
||
|
|
for.body: ; preds = %for.cond
|
||
|
|
br label %for.inc
|
||
|
|
|
||
|
|
for.inc: ; preds = %for.body
|
||
|
|
%indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1]
|
||
|
|
br label %for.cond
|
||
|
|
|
||
|
|
for.end: ; preds = %for.cond
|
||
|
|
ret i32 0
|
||
|
|
}
|