forked from OSchip/llvm-project
46 lines
1.6 KiB
LLVM
46 lines
1.6 KiB
LLVM
; RUN: opt %loadPolly -basicaa -loop-rotate -indvars -polly-prepare -polly-scops -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly -basicaa -loop-rotate -indvars -licm -polly-prepare -polly-scops -analyze < %s | FileCheck %s
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;
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; XFAIL: *
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;
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; void foo(float *restrict A, float *restrict B, long j) {
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; for (long i = 0; i < 100; i++)
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; A[j] = B[i];
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; }
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @foo(float* noalias %A, float* noalias %B, i64 %j) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
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%exitcond = icmp ne i64 %i.0, 100
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br i1 %exitcond, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%arrayidx = getelementptr inbounds float, float* %B, i64 %i.0
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%tmp = bitcast float* %arrayidx to i32*
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%tmp1 = load i32, i32* %tmp, align 4
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%arrayidx1 = getelementptr inbounds float, float* %A, i64 %j
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%tmp2 = bitcast float* %arrayidx1 to i32*
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store i32 %tmp1, i32* %tmp2, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%inc = add nuw nsw i64 %i.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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; CHECK: Statements {
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; CHECK: Stmt_for_body
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; CHECK-DAG: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [j] -> { Stmt_for_body[i0] -> MemRef_B[i0] };
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; CHECK-DAG: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [j] -> { Stmt_for_body[i0] -> MemRef_A[j] };
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; CHECK: }
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