forked from OSchip/llvm-project
77 lines
2.6 KiB
LLVM
77 lines
2.6 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -polly-allow-nonaffine-branches -polly-allow-nonaffine-loops -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-scops -polly-detect-reductions \
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; RUN: -polly-allow-nonaffine-branches \
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; RUN: -polly-allow-nonaffine-loops -analyze < %s \
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; RUN: -polly-detect-reductions=false \
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; RUN: | FileCheck %s -check-prefix=NO-REDUCTION
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;
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; void f(int *A, int *C) {
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; for (int i = 0; i < 1024; i++) {
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; while (C[i])
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; A[i]++;
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; }
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; }
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;
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; CHECK: Function: f
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; CHECK: Region: %bb1---%bb12
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; CHECK: Max Loop Depth: 1
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; CHECK: Statements {
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; CHECK: Stmt_bb3__TO__bb10
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; CHECK: Domain :=
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; CHECK: { Stmt_bb3__TO__bb10[i0] :
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; CHECK-DAG: i0 >= 0
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; CHECK-DAG: and
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; CHECK-DAG: i0 <= 1023
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; CHECK: }
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; CHECK: Schedule :=
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; CHECK: { Stmt_bb3__TO__bb10[i0] -> [i0] };
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; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK: { Stmt_bb3__TO__bb10[i0] -> MemRef_C[i0] };
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; CHECK: ReadAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK: { Stmt_bb3__TO__bb10[i0] -> MemRef_A[i0] };
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; CHECK: MayWriteAccess := [Reduction Type: +] [Scalar: 0]
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; CHECK: { Stmt_bb3__TO__bb10[i0] -> MemRef_A[i0] };
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; CHECK: }
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; NO-REDUCTION-NOT: Reduction Type: +
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @f(i32* %A, i32* %C) {
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bb:
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br label %bb1
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bb1: ; preds = %bb11, %bb
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%indvars.iv = phi i64 [ %indvars.iv.next, %bb11 ], [ 0, %bb ]
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%exitcond = icmp ne i64 %indvars.iv, 1024
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br i1 %exitcond, label %bb2, label %bb12
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bb2: ; preds = %bb1
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br label %bb3
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bb3: ; preds = %bb6, %bb2
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%tmp = getelementptr inbounds i32, i32* %C, i64 %indvars.iv
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%tmp4 = load i32, i32* %tmp, align 4
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%tmp5 = icmp eq i32 %tmp4, 0
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br i1 %tmp5, label %bb10, label %bb6
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bb6: ; preds = %bb3
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%tmp7 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp8 = load i32, i32* %tmp7, align 4
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%tmp9 = add nsw i32 %tmp8, 1
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store i32 %tmp9, i32* %tmp7, align 4
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br label %bb3
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bb10: ; preds = %bb3
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br label %bb11
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bb11: ; preds = %bb10
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %bb1
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bb12: ; preds = %bb1
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ret void
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}
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