derek.holloway
7502bf64a4
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52 lines
2.0 KiB
LLVM
52 lines
2.0 KiB
LLVM
; RUN: opt %loadNPMPolly '-passes=polly-custom<prepare;scops>' -polly-print-scops -polly-invariant-load-hoisting=true -disable-output < %s 2>&1 | FileCheck %s
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;
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; void foo(int n, float A[static const restrict n],
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; float B[static const restrict n], int j) {
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; for (int i = 0; i < n; i++)
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; A[i] = B[j];
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; }
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @foo(i32 %n, ptr noalias nonnull %A, ptr noalias nonnull %B, i32 %j) {
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entry:
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%tmp = sext i32 %n to i64
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%cmp1 = icmp slt i64 0, %tmp
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br i1 %cmp1, label %for.body.lr.ph, label %for.end
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for.body.lr.ph: ; preds = %entry
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%idxprom = sext i32 %j to i64
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%arrayidx = getelementptr inbounds float, ptr %B, i64 %idxprom
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%tmp2 = load i32, ptr %arrayidx, align 4
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br label %for.body
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for.body: ; preds = %for.body.lr.ph, %for.inc
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%indvars.iv2 = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.inc ]
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%arrayidx2 = getelementptr inbounds float, ptr %A, i64 %indvars.iv2
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store i32 %tmp2, ptr %arrayidx2, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1
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%exitcond = icmp ne i64 %indvars.iv.next, %tmp
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br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge
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for.cond.for.end_crit_edge: ; preds = %for.inc
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br label %for.end
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for.end: ; preds = %for.cond.for.end_crit_edge, %entry
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ret void
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}
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; CHECK: Invariant Accesses: {
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [n, j] -> { Stmt_{{[a-zA-Z_]*}}[{{[i0]*}}] -> MemRef_B[j] };
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; CHECK-NEXT: Execution Context: [n, j] -> { : n > 0 }
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; CHECK-NEXT: }
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;
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; CHECK: Statements {
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; CHECK: Stmt_for_body
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; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [n, j] -> { Stmt_for_body[i0] -> MemRef_A[i0] };
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; CHECK: }
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