| ; RUN: opt %loadNPMPolly '-passes=print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s |
| |
| ; Derived from test-suite/SingleSource/UnitTests/Vector/SSE/sse.stepfft.c |
| |
| ; The values %mul.i44 is simplified to constant 4 by ScalarEvolution, but |
| ; SCEVAffinator used to check whether the sdiv's argument was constant. |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind uwtable |
| define void @cfft2(i32 %n, ptr %A) local_unnamed_addr #0 { |
| entry: |
| br i1 true, label %for.body.lr.ph, label %for.end |
| |
| for.body.lr.ph: ; preds = %entry |
| br label %for.body |
| |
| for.body: ; preds = %for.inc, %for.body.lr.ph |
| %mj.017 = phi i32 [ 1, %for.body.lr.ph ], [ poison, %for.inc ] |
| br i1 true, label %if.else, label %if.then |
| |
| if.then: ; preds = %for.body |
| br label %for.inc |
| |
| if.else: ; preds = %for.body |
| %mul.i44 = shl i32 %mj.017, 2 |
| %div.i45 = sdiv i32 %n, %mul.i44 |
| br i1 true, label %for.body.i58.lr.ph, label %for.inc |
| |
| for.body.i58.lr.ph: ; preds = %if.else |
| br i1 false, label %for.body.i58.us, label %for.body.i58.preheader |
| |
| for.body.i58.preheader: ; preds = %for.body.i58.lr.ph |
| br label %for.body.i58 |
| |
| for.body.i58.us: ; preds = %for.body.i58.us, %for.body.i58.lr.ph |
| br i1 false, label %for.inc, label %for.body.i58.us |
| |
| for.body.i58: ; preds = %for.body.i58, %for.body.i58.preheader |
| store double 0.0, ptr %A |
| %exitcond42 = icmp eq i32 0, %div.i45 |
| br i1 %exitcond42, label %for.inc, label %for.body.i58 |
| |
| for.inc: ; preds = %for.body.i58, %for.body.i58.us, %if.else, %if.then |
| br i1 undef, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.inc, %entry |
| ret void |
| } |
| |
| attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| |
| !llvm.ident = !{!0} |
| |
| !0 = !{!"clang version 3.9.0 (trunk 273249) (llvm/trunk 273255)"} |
| |
| ; CHECK-LABEL: Stmt_for_body_i58 |
| ; CHECK-NEXT: Domain := |
| ; CHECK-NEXT: [n] -> { Stmt_for_body_i58[0] : -3 <= n <= 3 }; |