forked from OSchip/llvm-project
41 lines
1.2 KiB
LLVM
41 lines
1.2 KiB
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -analyze -polly-detect -polly-codegen < %s | FileCheck %s
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;
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; When a region header is part of a loop, then all entering edges of this region
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; should not come from the loop but outside the region.
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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define void @main(i64* %A) nounwind {
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entry:
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br label %for.i
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for.i:
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%indvar.i = phi i64 [ 0, %entry ], [ %indvar.next.i, %for.i.backedge ]
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%indvar.next.i = add i64 %indvar.i, 1
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%scevgep = getelementptr i64, i64* %A, i64 %indvar.i
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store i64 %indvar.i, i64* %scevgep, align 4
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br i1 true, label %for.j.preheader, label %for.j2
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for.j.preheader:
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br label %for.j
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for.j:
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%indvar.j = phi i64 [ %indvar.next.j, %for.j ], [ 0, %for.j.preheader ]
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%indvar.next.j = add i64 %indvar.j, 1
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%exitcond.j = icmp eq i64 %indvar.next.j, 10
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br i1 %exitcond.j, label %for.j2, label %for.j
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for.j2:
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fence seq_cst
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br label %for.i.backedge
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for.i.backedge:
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%exitcond.i = icmp eq i64 %indvar.next.i, 2048
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br i1 %exitcond.i, label %for.i, label %.end
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.end:
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ret void
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}
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; CHECK: Valid Region for Scop: for.j => for.j2
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