non-affine-conditional.ll
1.28 KB
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; RUN: opt %loadPolly -polly-allow-nonaffine-branches -polly-detect \
; RUN: -analyze < %s | FileCheck %s
;
; void f(int *A) {
; for (int i = 0; i < 1024; i++)
; if (A[i])
; A[i] = 0;
; }
;
; CHECK: Valid Region for Scop: bb1 => bb9
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* %A) {
bb:
br label %bb1
bb1: ; preds = %bb8, %bb
%indvars.iv = phi i64 [ %indvars.iv.next, %bb8 ], [ 0, %bb ]
%exitcond = icmp ne i64 %indvars.iv, 1024
br i1 %exitcond, label %bb2, label %bb9
bb2: ; preds = %bb1
%tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%tmp3 = load i32, i32* %tmp, align 4
%tmp4 = icmp eq i32 %tmp3, 0
br i1 %tmp4, label %bb7, label %bb5
bb5: ; preds = %bb2
%tmp6 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
store i32 0, i32* %tmp6, align 4
br label %bb7
bb7: ; preds = %bb2, %bb5
br label %bb8
bb8: ; preds = %bb7
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %bb1
bb9: ; preds = %bb1
ret void
}