; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s ; ; The entry of this scop's simple region (entry.split => for.end) has an trivial ; PHI node that is used in a different of the scop region. LCSSA may create such ; PHI nodes. This is a breakdown of this case in the function 'mp_unexp_sub' of ; pifft from LLVM's test-suite. ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @test(i64 %n, float* noalias nonnull %A, float %a) { entry: br label %entry.split ; CHECK-LABEL: polly.start: ; CHECK: store float %a, float* %b.phiops entry.split: %b = phi float [ %a, %entry ] %cmp2 = icmp slt i64 %n, 5 br i1 %cmp2, label %for.cond, label %for.end for.cond: ; preds = %for.inc, %entry %i.0 = phi i64 [ 0, %entry.split ], [ %add, %for.inc ] %cmp = icmp slt i64 %i.0, %n br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %arrayidx = getelementptr inbounds float, float* %A, i64 %i.0 store float %b, float* %arrayidx, align 4 br label %for.inc for.inc: ; preds = %for.body %add = add nuw nsw i64 %i.0, 1 br label %for.cond for.end: ; preds = %for.cond ret void }