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66 lines
2.0 KiB
LLVM
66 lines
2.0 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-code \
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; RUN: -polly-acc-use-shared \
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; RUN: -disable-output < %s | \
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; RUN: FileCheck -check-prefix=CODE %s
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; REQUIRES: pollyacc
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; void add(float *A, float alpha) {
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; for (long i = 0; i < 32; i++)
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; for (long j = 0; j < 10; j++)
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; A[i] += alpha;
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; }
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; CODE: read(t0);
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; CODE-NEXT: sync0();
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; CODE-NEXT: for (int c3 = 0; c3 <= 9; c3 += 1)
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; CODE-NEXT: Stmt_bb5(t0, c3);
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; CODE-NEXT: sync1();
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; CODE-NEXT: write(t0);
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; This test case was intended to test code generation for scalars stored
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; in shared memory. However, after properly marking the scalar as read-only
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; the scalar is not stored any more in shared memory. We still leave this
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; test case as documentation if we every forget to mark scalars as read-only.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @add(float* %A, float %alpha) {
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bb:
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br label %bb2
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bb2: ; preds = %bb11, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp12, %bb11 ]
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%exitcond1 = icmp ne i64 %i.0, 32
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br i1 %exitcond1, label %bb3, label %bb13
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bb3: ; preds = %bb2
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br label %bb4
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bb4: ; preds = %bb8, %bb3
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%j.0 = phi i64 [ 0, %bb3 ], [ %tmp9, %bb8 ]
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%exitcond = icmp ne i64 %j.0, 10
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br i1 %exitcond, label %bb5, label %bb10
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bb5: ; preds = %bb4
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%tmp = getelementptr inbounds float, float* %A, i64 %i.0
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%tmp6 = load float, float* %tmp, align 4
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%tmp7 = fadd float %tmp6, %alpha
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store float %tmp7, float* %tmp, align 4
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br label %bb8
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bb8: ; preds = %bb5
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%tmp9 = add nuw nsw i64 %j.0, 1
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br label %bb4
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bb10: ; preds = %bb4
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br label %bb11
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bb11: ; preds = %bb10
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%tmp12 = add nuw nsw i64 %i.0, 1
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br label %bb2
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bb13: ; preds = %bb2
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ret void
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}
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