forked from OSchip/llvm-project
40 lines
1.3 KiB
LLVM
40 lines
1.3 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-scops -polly-context='[N] -> {: N = 1024}' -analyze < %s | FileCheck %s --check-prefix=CTX
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; RUN: opt %loadPolly -polly-scops -polly-context='[N,M] -> {: 1 = 0}' -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-scops -polly-context='[] -> {: 1 = 0}' -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: Context:
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; CHECK: [N] -> { :
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; CHECK-DAG: N >= -9223372036854775808
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; CHECK-DAG: and
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; CHECK-DAG: N <= 9223372036854775807
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; CHECK: }
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; CTX: Context:
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; CTX: [N] -> { : N = 1024 }
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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) 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 i64 [ 0, %entry ], [ %i.inc, %bb ]
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%scevgep = getelementptr i64, i64* %a, i64 %i
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store i64 %i, i64* %scevgep
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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: ; preds = %bb, %entry
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ret void
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}
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