forked from OSchip/llvm-project
47 lines
1.3 KiB
LLVM
47 lines
1.3 KiB
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-scops -analyze -polly-allow-unsigned < %s | FileCheck %s
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; void f(int a[], int N, unsigned P) {
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; int i;
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; for (i = 0; i < N; ++i)
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; if (P > 42)
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; a[i] = i;
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; }
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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"
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define void @f(i64* nocapture %a, i64 %N, i64 %P) nounwind {
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entry:
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br label %bb
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bb:
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%i = phi i64 [ 0, %entry ], [ %i.inc, %bb.backedge ]
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%brcond = icmp uge i64 %P, 42
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br i1 %brcond, label %store, label %bb.backedge
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store:
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%scevgep = getelementptr i64, i64* %a, i64 %i
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store i64 %i, i64* %scevgep
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br label %bb.backedge
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bb.backedge:
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%i.inc = add nsw i64 %i, 1
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%exitcond = icmp eq i64 %i.inc, %N
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br i1 %exitcond, label %return, label %bb
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return:
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ret void
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}
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; CHECK: Assumed Context:
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; CHECK: { : }
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; CHECK: Stmt_store
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; CHECK: Domain :=
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; CHECK: [P, N] -> { Stmt_store[i0] :
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; CHECK: i0 >= 0 and i0 <= -1 + N and P >= 42
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; CHECK: };
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; CHECK: Schedule :=
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; CHECK: [P, N] -> { Stmt_store[i0] -> [i0] };
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; CHECK: MustWriteAccess := [Reduction Type: NONE]
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; CHECK: [P, N] -> { Stmt_store[i0] -> MemRef_a[i0] };
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