forked from OSchip/llvm-project
58 lines
2.6 KiB
LLVM
58 lines
2.6 KiB
LLVM
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; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-codegen -S < %s | FileCheck %s
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;
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; A load must provide a value for every statement instance.
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; Statement instances not in the SCoP's context are irrelevant.
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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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@ATH = external dso_local unnamed_addr constant [88 x float], align 16
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define void @load_subset_with_context() {
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entry:
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%ath = alloca [56 x float], align 16
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br label %for.body
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for.cond176.preheader: ; preds = %for.cond33.preheader
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ret void
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for.body: ; preds = %for.cond33.preheader, %entry
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%indvars.iv999 = phi i64 [ 0, %entry ], [ %indvars.iv.next1000, %for.cond33.preheader ]
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%tmp5 = shl nsw i64 %indvars.iv999, 2
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br label %for.cond7.preheader
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for.cond33.preheader: ; preds = %for.inc.3
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%tmp175 = load float, float* undef, align 4
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%indvars.iv.next1000 = add nuw nsw i64 %indvars.iv999, 1
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%exitcond1002 = icmp eq i64 %indvars.iv.next1000, 17
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br i1 %exitcond1002, label %for.cond176.preheader, label %for.body
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for.cond7.preheader: ; preds = %for.inc.3, %for.body
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%indvars.iv958 = phi i64 [ 0, %for.body ], [ %indvars.iv.next959, %for.inc.3 ]
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%tmp20 = add nuw nsw i64 %indvars.iv958, %tmp5
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%arrayidx.2 = getelementptr inbounds [88 x float], [88 x float]* @ATH, i64 0, i64 0
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%tmp157 = load float, float* %arrayidx.2, align 4
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%tmp158 = add nuw nsw i64 %tmp20, 3
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%cmp12.3 = icmp ult i64 %tmp158, 88
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br i1 %cmp12.3, label %if.then.3, label %if.else.3
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if.else.3: ; preds = %for.cond7.preheader
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br label %for.inc.3
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if.then.3: ; preds = %for.cond7.preheader
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br label %for.inc.3
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for.inc.3: ; preds = %if.then.3, %if.else.3
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%min.1.3 = phi float [ undef, %if.then.3 ], [ %tmp157, %if.else.3 ]
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%arrayidx29 = getelementptr inbounds [56 x float], [56 x float]* %ath, i64 0, i64 %indvars.iv958
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store float %min.1.3, float* %arrayidx29, align 4
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%indvars.iv.next959 = add nuw nsw i64 %indvars.iv958, 1
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%exitcond961 = icmp eq i64 %indvars.iv.next959, 56
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br i1 %exitcond961, label %for.cond33.preheader, label %for.cond7.preheader
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}
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; CHECK: polly.stmt.if.else.3:
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; CHECK-NEXT: %polly.access.cast.ath1 = bitcast [56 x float]* %ath to float*
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; CHECK-NEXT: %polly.access.ath2 = getelementptr float, float* %polly.access.cast.ath1, i64 %polly.indvar
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; CHECK-NEXT: %polly.access.ath2.reload = load float, float* %polly.access.ath2
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