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; RUN: opt %loadNPMPolly -polly-optree-max-ops=1 '-passes=print<polly-optree>' -disable-output < %s | FileCheck %s -match-full-lines
; RUN: opt %loadNPMPolly -polly-optree-max-ops=1 -passes=polly-optree -disable-output -stats < %s 2>&1 | FileCheck %s -match-full-lines -check-prefix=STATS
; REQUIRES: asserts
;
; for (int j = 0; j < n; j += 1) {
; bodyA:
; double val = B[j];
;
; bodyB:
; A[j] = val;
; }
;
define void @func(i32 %n, ptr noalias nonnull %A, ptr noalias nonnull %B) {
entry:
br label %for
for:
%j = phi i32 [0, %entry], [%j.inc, %inc]
%j.cmp = icmp slt i32 %j, %n
br i1 %j.cmp, label %bodyA, label %exit
bodyA:
%B_idx = getelementptr inbounds double, ptr %B, i32 %j
%val = load double, ptr %B_idx
br label %bodyB
bodyB:
%A_idx = getelementptr inbounds double, ptr %A, i32 %j
store double %val, ptr %A_idx
br label %inc
inc:
%j.inc = add nuw nsw i32 %j, 1
br label %for
exit:
br label %return
return:
ret void
}
; CHECK: ForwardOpTree executed, but did not modify anything
; STATS-NOT: IMPLEMENTATION ERROR: Unhandled error state
; STATS: 1 polly-optree - Analyses aborted because max_operations was reached
; STATS-NOT: IMPLEMENTATION ERROR: Unhandled error state
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