forked from OSchip/llvm-project
73 lines
2.4 KiB
LLVM
73 lines
2.4 KiB
LLVM
; RUN: opt %loadPolly -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s
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;
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; CHECK-NOT:#pragma known-parallel reduction
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; CHECK: #pragma known-parallel
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; CHECK: for (int c0 = 0; c0 <= 2047; c0 += 1)
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; CHECK: for (int c1 = 0; c1 <= 1023; c1 += 1)
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; CHECK: #pragma simd reduction
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; CHECK: for (int c2 = 0; c2 <= 511; c2 += 1)
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; CHECK: Stmt_for_body6(c0, c1, c2);
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;
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; void rmd(int *A) {
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; for (long i = 0; i < 2048; i++)
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; for (long j = 0; j < 1024; j++)
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; for (long k = 0; k < 512; k++)
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; A[i] += i;
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; }
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;
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
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define void @rmd(i32* %A) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc10, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc11, %for.inc10 ]
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%exitcond2 = icmp ne i32 %i.0, 2048
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br i1 %exitcond2, label %for.body, label %for.end12
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for.body: ; preds = %for.cond
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br label %for.cond1
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for.cond1: ; preds = %for.inc7, %for.body
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%j.0 = phi i32 [ 0, %for.body ], [ %inc8, %for.inc7 ]
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%exitcond1 = icmp ne i32 %j.0, 1024
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br i1 %exitcond1, label %for.body3, label %for.end9
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for.body3: ; preds = %for.cond1
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br label %for.cond4
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for.cond4: ; preds = %for.inc, %for.body3
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%k.0 = phi i32 [ 0, %for.body3 ], [ %inc, %for.inc ]
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%exitcond = icmp ne i32 %k.0, 512
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br i1 %exitcond, label %for.body6, label %for.end
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for.body6: ; preds = %for.cond4
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%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.0
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%tmp = load i32, i32* %arrayidx, align 4
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%add = add nsw i32 %tmp, %i.0
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store i32 %add, i32* %arrayidx, align 4
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br label %for.inc
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for.inc: ; preds = %for.body6
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%inc = add nsw i32 %k.0, 1
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br label %for.cond4
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for.end: ; preds = %for.cond4
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br label %for.inc7
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for.inc7: ; preds = %for.end
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%inc8 = add nsw i32 %j.0, 1
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br label %for.cond1
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for.end9: ; preds = %for.cond1
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br label %for.inc10
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for.inc10: ; preds = %for.end9
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%inc11 = add nsw i32 %i.0, 1
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br label %for.cond
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for.end12: ; preds = %for.cond
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ret void
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}
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