forked from OSchip/llvm-project
23 lines
553 B
LLVM
23 lines
553 B
LLVM
; RUN: opt < %s -scalar-evolution -analyze | FileCheck %s
|
|
|
|
define void @foo([7 x i8]* %a) {
|
|
; CHECK-LABEL: @foo
|
|
entry:
|
|
br label %bb
|
|
|
|
bb:
|
|
%idx = phi i64 [ 0, %entry ], [ %idx.incr, %bb ]
|
|
%i = udiv i64 %idx, 7
|
|
%j = urem i64 %idx, 7
|
|
%a.ptr = getelementptr [7 x i8], [7 x i8]* %a, i64 %i, i64 %j
|
|
; CHECK: %a.ptr = getelementptr [7 x i8], [7 x i8]* %a, i64 %i, i64 %j
|
|
; CHECK-NEXT: --> {%a,+,1}<nw><%bb>
|
|
%val = load i8, i8* %a.ptr
|
|
%idx.incr = add i64 %idx, 1
|
|
%test = icmp ne i64 %idx.incr, 35
|
|
br i1 %test, label %bb, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|