llvm-project/polly/test/ScopInfo/NonAffine/modulo_backedge.ll

43 lines
1.2 KiB
LLVM

; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; CHECK: Domain :=
; CHECK: { Stmt_for_body[i0] : 0 <= i0 <= 6 };
;
; void foo(float *A) {
; for (long i = 1;; i++) {
; A[i] += 1;
; if (i % 7 == 0)
; break;
; }
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @foo(float* %A) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i64 [ 1, %entry ], [ %inc, %for.inc ]
br label %for.body
for.body: ; preds = %for.cond
%arrayidx0 = getelementptr inbounds float, float* %A, i64 %i.0
%tmp0 = load float, float* %arrayidx0, align 4
%add0 = fadd float %tmp0, 2.000000e+00
store float %add0, float* %arrayidx0, align 4
%rem1 = srem i64 %i.0, 7
%tobool = icmp eq i64 %rem1, 0
br i1 %tobool, label %for.end, label %if.end
if.end: ; preds = %for.body, %if.then
br label %for.inc
for.inc: ; preds = %if.end
%inc = add nuw nsw i64 %i.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}