forked from OSchip/llvm-project
44 lines
1.3 KiB
LLVM
44 lines
1.3 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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; void f(int a[], int N) {
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; int i;
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; for (i = 0; i < N; ++i)
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; a[i] = i;
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; }
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; CHECK: Assumed Context:
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; CHECK-NEXT: [N] -> { : }
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;
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; CHECK: Arrays {
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; CHECK-NEXT: i32 MemRef_a[*]; // Element size 4
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; CHECK-NEXT: }
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;
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; CHECK: Statements {
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; CHECK-NEXT: Stmt_bb
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [N] -> { Stmt_bb[i0] : 0 <= i0 < N };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [N] -> { Stmt_bb[i0] -> [i0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [N] -> { Stmt_bb[i0] -> MemRef_a[i0] };
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; CHECK-NEXT: }
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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(i32* nocapture %a, i64 %N) nounwind {
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entry:
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br label %bb
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bb: ; preds = %bb, %entry
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%i = phi i32 [ 0, %entry ], [ %i.inc, %bb ]
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%scevgep = getelementptr inbounds i32, i32* %a, i32 %i
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store i32 %i, i32* %scevgep
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%i.inc = add nsw i32 %i, 1
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%i.ext = zext i32 %i.inc to i64
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%exitcond = icmp eq i64 %i.ext, %N
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br i1 %exitcond, label %return, label %bb
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return: ; preds = %bb, %entry
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ret void
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}
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