forked from OSchip/llvm-project
62 lines
2.2 KiB
LLVM
62 lines
2.2 KiB
LLVM
; RUN: opt %loadPolly -analyze -polly-scops \
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; RUN: < %s | FileCheck %s
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;
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; float foo(float sum, float A[]) {
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;
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; for (long i = 0; i < 100; i++)
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; sum += A[i];
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;
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; return sum;
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; }
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; CHECK: Statements {
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; CHECK-NEXT: Stmt_next
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_next[] };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_next[] -> [0, 0] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: { Stmt_next[] -> MemRef_sum[] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: { Stmt_next[] -> MemRef_phisum__phi[] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: { Stmt_next[] -> MemRef_phisummerge[] };
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; CHECK-NEXT: Stmt_bb1
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_bb1[i0] : 0 <= i0 <= 100 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_bb1[i0] -> [1, i0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: { Stmt_bb1[i0] -> MemRef_phisum__phi[] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: { Stmt_bb1[i0] -> MemRef_phisum__phi[] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: { Stmt_bb1[i0] -> MemRef_A[i0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: { Stmt_bb1[i0] -> MemRef_phisummerge[] };
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; CHECK-NEXT: }
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define float @foo(float %sum, float* %A) {
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bb:
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br label %next
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next:
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br i1 true, label %bb1, label %bb7
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bb1:
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%i = phi i64 [ 0, %next ], [ %i.next, %bb1 ]
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%phisum = phi float [ %sum, %next ], [ %tmp5, %bb1 ]
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%tmp = getelementptr inbounds float, float* %A, i64 %i
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%tmp4 = load float, float* %tmp, align 4
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%tmp5 = fadd float %phisum, %tmp4
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%i.next = add nuw nsw i64 %i, 1
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%exitcond = icmp ne i64 %i, 100
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br i1 %exitcond, label %bb1, label %bb7
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bb7:
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%phisummerge = phi float [%phisum, %bb1], [0.0, %next]
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ret float %phisummerge
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}
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