forked from OSchip/llvm-project
54 lines
1.9 KiB
LLVM
54 lines
1.9 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze -polly-delinearize < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; void foo(float *input) {
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; for (int j = 0; j < 8; j++) {
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; //SCoP begin
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; for (int i = 0; i < 63; i++) {
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; float x = input[j * 64 + i + 1];
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; input[j * 64 + i + 0] = x * x;
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; }
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; }
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; }
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; CHECK p0: {0,+,256}<%for.cond1.preheader>
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; CHECK-NOT: p1
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; CHECK: ReadAccess
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; CHECK: [p_0] -> { Stmt_for_body3[i0] -> MemRef_input[o0] : 4o0 = 4 + p_0 + 4i0 };
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; CHECK: MustWriteAccess
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; CHECK: [p_0] -> { Stmt_for_body3[i0] -> MemRef_input[o0] : 4o0 = p_0 + 4i0 };
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define void @foo(float* nocapture %input) {
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entry:
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br label %for.cond1.preheader
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for.cond1.preheader: ; preds = %for.inc10, %entry
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%j.021 = phi i64 [ 0, %entry ], [ %inc11, %for.inc10 ]
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%mul = shl nsw i64 %j.021, 6
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br label %for.body3
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for.body3: ; preds = %for.body3, %for.cond1.preheader
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%i.020 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
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%add = add nsw i64 %i.020, %mul
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%add4 = add nsw i64 %add, 1
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%arrayidx = getelementptr inbounds float* %input, i64 %add4
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%0 = load float* %arrayidx, align 8
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%mul5 = fmul float %0, %0
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%arrayidx9 = getelementptr inbounds float* %input, i64 %add
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store float %mul5, float* %arrayidx9, align 8
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%inc = add nsw i64 %i.020, 1
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%exitcond = icmp eq i64 %inc, 63
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br i1 %exitcond, label %for.inc10, label %for.body3
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for.inc10: ; preds = %for.body3
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%inc11 = add nsw i64 %j.021, 1
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%exitcond22 = icmp eq i64 %inc11, 8
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fence seq_cst
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br i1 %exitcond22, label %for.end12, label %for.cond1.preheader
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for.end12: ; preds = %for.inc10
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ret void
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}
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