forked from OSchip/llvm-project
59 lines
2.0 KiB
LLVM
59 lines
2.0 KiB
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-scops -polly-model-phi-nodes -disable-polly-intra-scop-scalar-to-array -analyze < %s | FileCheck %s
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;
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; float f(float *A, int N) {
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; float tmp = 0;
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; for (int i = 0; i < N; i++)
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; tmp += A[i];
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; }
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;
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; CHECK: Statements {
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; CHECK-LABEL: Stmt_bb1
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; CHECK-NOT: Access
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; CHECK: ReadAccess := [Reduction Type: NONE]
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; CHECK: [N] -> { Stmt_bb1[i0] -> MemRef_tmp_0[] };
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; CHECK-NOT: Access
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; CHECK: MustWriteAccess := [Reduction Type: NONE]
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; CHECK: [N] -> { Stmt_bb1[i0] -> MemRef_tmp_0[] };
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; CHECK-NOT: Access
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; CHECK-LABEL: Stmt_bb4
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; CHECK-NOT: Access
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; CHECK: MustWriteAccess := [Reduction Type: NONE]
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; CHECK: [N] -> { Stmt_bb4[i0] -> MemRef_tmp_0[] };
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; CHECK-NOT: Access
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; CHECK: ReadAccess := [Reduction Type: NONE]
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; CHECK: [N] -> { Stmt_bb4[i0] -> MemRef_tmp_0[] };
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; CHECK-NOT: Access
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; CHECK: ReadAccess := [Reduction Type: NONE]
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; CHECK: [N] -> { Stmt_bb4[i0] -> MemRef_A[i0] };
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; CHECK-NOT: Access
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; CHECK: }
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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(float* %A, i32 %N) {
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bb:
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%tmp = sext i32 %N to i64
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br label %bb1
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bb1: ; preds = %bb4, %bb
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%indvars.iv = phi i64 [ %indvars.iv.next, %bb4 ], [ 0, %bb ]
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%tmp.0 = phi float [ 0.000000e+00, %bb ], [ %tmp7, %bb4 ]
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%tmp2 = icmp slt i64 %indvars.iv, %tmp
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br i1 %tmp2, label %bb3, label %bb8
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bb3: ; preds = %bb1
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br label %bb4
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bb4: ; preds = %bb3
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%tmp5 = getelementptr inbounds float, float* %A, i64 %indvars.iv
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%tmp6 = load float, float* %tmp5, align 4
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%tmp7 = fadd float %tmp.0, %tmp6
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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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bb8: ; preds = %bb1
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br label %exit
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exit:
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ret void
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}
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