derek.holloway
7502bf64a4
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98 lines
4.5 KiB
LLVM
98 lines
4.5 KiB
LLVM
; RUN: opt %loadNPMPolly -polly-stmt-granularity=bb -polly-process-unprofitable=false -polly-unprofitable-scalar-accs=false '-passes=polly-custom<scops>' -polly-print-detect -polly-print-scops -disable-output < %s 2>&1 | FileCheck %s
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; RUN: opt %loadNPMPolly -polly-stmt-granularity=bb -polly-process-unprofitable=false -polly-unprofitable-scalar-accs=true '-passes=polly-custom<scops>' -polly-print-detect -polly-print-scops -disable-output < %s 2>&1 | FileCheck %s --check-prefix=HEURISTIC
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; Check the effect of -polly-unprofitable-scalar-accs
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @func(i32 %n, i32 %m, ptr noalias nonnull %A) {
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entry:
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br label %outer.for
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outer.for:
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%j = phi i32 [0, %entry], [%j.inc, %outer.inc]
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%j.cmp = icmp slt i32 %j, %n
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br i1 %j.cmp, label %inner.for, label %outer.exit
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inner.for:
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%i = phi i32 [1, %outer.for], [%i.inc, %inner.inc]
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%b = phi double [0.0, %outer.for], [%a, %inner.inc]
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%i.cmp = icmp slt i32 %i, %m
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br i1 %i.cmp, label %body1, label %inner.exit
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body1:
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%A_idx = getelementptr inbounds double, ptr %A, i32 %i
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%a = load double, ptr %A_idx
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store double %a, ptr %A_idx
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br label %inner.inc
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inner.inc:
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%i.inc = add nuw nsw i32 %i, 1
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br label %inner.for
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inner.exit:
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br label %outer.inc
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outer.inc:
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store double %b, ptr %A
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%j.inc = add nuw nsw i32 %j, 1
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br label %outer.for
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outer.exit:
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br label %return
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return:
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ret void
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}
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; CHECK: Statements {
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; CHECK-NEXT: Stmt_outer_for
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [n, m] -> { Stmt_outer_for[i0] : 0 <= i0 <= n; Stmt_outer_for[0] : n < 0 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [n, m] -> { Stmt_outer_for[i0] -> [i0, 0, 0, 0] : i0 <= n; Stmt_outer_for[0] -> [0, 0, 0, 0] : n < 0 };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: [n, m] -> { Stmt_outer_for[i0] -> MemRef_b__phi[] };
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; CHECK-NEXT: Stmt_inner_for
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [n, m] -> { Stmt_inner_for[i0, i1] : 0 <= i0 < n and 0 <= i1 < m; Stmt_inner_for[i0, 0] : m <= 0 and 0 <= i0 < n };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [n, m] -> { Stmt_inner_for[i0, i1] -> [i0, 1, i1, 0] : i1 < m; Stmt_inner_for[i0, 0] -> [i0, 1, 0, 0] : m <= 0 };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: [n, m] -> { Stmt_inner_for[i0, i1] -> MemRef_b__phi[] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: [n, m] -> { Stmt_inner_for[i0, i1] -> MemRef_b[] };
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; CHECK-NEXT: Stmt_body1
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [n, m] -> { Stmt_body1[i0, i1] : 0 <= i0 < n and 0 <= i1 <= -2 + m };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [n, m] -> { Stmt_body1[i0, i1] -> [i0, 1, i1, 1] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: [n, m] -> { Stmt_body1[i0, i1] -> MemRef_a[] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [n, m] -> { Stmt_body1[i0, i1] -> MemRef_A[1 + i1] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [n, m] -> { Stmt_body1[i0, i1] -> MemRef_A[1 + i1] };
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; CHECK-NEXT: Stmt_inner_inc
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [n, m] -> { Stmt_inner_inc[i0, i1] : 0 <= i0 < n and 0 <= i1 <= -2 + m };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [n, m] -> { Stmt_inner_inc[i0, i1] -> [i0, 1, i1, 2] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: [n, m] -> { Stmt_inner_inc[i0, i1] -> MemRef_a[] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: [n, m] -> { Stmt_inner_inc[i0, i1] -> MemRef_b__phi[] };
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; CHECK-NEXT: Stmt_outer_inc
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [n, m] -> { Stmt_outer_inc[i0] : 0 <= i0 < n };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [n, m] -> { Stmt_outer_inc[i0] -> [i0, 2, 0, 0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [n, m] -> { Stmt_outer_inc[i0] -> MemRef_A[0] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: [n, m] -> { Stmt_outer_inc[i0] -> MemRef_b[] };
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; CHECK-NEXT: }
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; HEURISTIC-NOT: Statements
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