forked from OSchip/llvm-project
82 lines
3.7 KiB
LLVM
82 lines
3.7 KiB
LLVM
; RUN: opt %loadPolly -S -polly-codegen < %s | FileCheck %s
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;
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; Check that we do not crash as described here: http://llvm.org/PR21167
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;
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; In case the pieceweise affine function used to create an isl_ast_expr
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; had empty cases (e.g., with contradicting constraints on the
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; parameters), it was possible that the condition of the isl_ast_expr
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; select was not a comparison but a constant (thus of type i64).
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; However, we shouldn't crash in such a case :)
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;
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; CHECK: polly.split_new_and_old
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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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; Function Attrs: nounwind uwtable
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define void @dradb4(i32 %ido, i32 %l1, float* %cc, float* %ch, float* %wa1, float* %wa3) #0 {
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entry:
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%mul = mul nsw i32 %l1, %ido
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br i1 undef, label %for.end256, label %if.end
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if.end: ; preds = %entry
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br i1 undef, label %L105, label %for.cond45.preheader
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for.cond45.preheader: ; preds = %if.end
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br i1 undef, label %for.body47, label %for.end198
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for.body47: ; preds = %for.inc096, %for.cond45.preheader
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br i1 undef, label %for.body53.lr.ph, label %for.inc096
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for.body53.lr.ph: ; preds = %for.body47
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br label %for.body53
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for.body53: ; preds = %for.body53, %for.body53.lr.ph
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%t7.014 = phi i32 [ 0, %for.body53.lr.ph ], [ %add58, %for.body53 ]
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%i.013 = phi i32 [ 2, %for.body53.lr.ph ], [ %add193, %for.body53 ]
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%add58 = add nsw i32 %t7.014, 2
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%arrayidx70 = getelementptr inbounds float, float* %cc, i64 0
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%arrayidx72 = getelementptr inbounds float, float* %cc, i64 0
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%arrayidx77 = getelementptr inbounds float, float* %cc, i64 0
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%arrayidx81 = getelementptr inbounds float, float* %cc, i64 0
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%arrayidx84 = getelementptr inbounds float, float* %cc, i64 0
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%arrayidx95 = getelementptr inbounds float, float* %cc, i64 0
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%arrayidx105 = getelementptr inbounds float, float* %cc, i64 0
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%arrayidx110 = getelementptr inbounds float, float* %ch, i64 0
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store float undef, float* %arrayidx110, align 4
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%arrayidx122 = getelementptr inbounds float, float* %wa1, i64 0
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%add129 = add nsw i32 %add58, %mul
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%idxprom142 = sext i32 %add129 to i64
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%arrayidx143 = getelementptr inbounds float, float* %ch, i64 %idxprom142
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store float undef, float* %arrayidx143, align 4
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%add153 = add nsw i32 %add129, %mul
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%arrayidx170 = getelementptr inbounds float, float* %wa3, i64 0
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%arrayidx174 = getelementptr inbounds float, float* %wa3, i64 0
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%add177 = add nsw i32 %add153, %mul
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%sub178 = add nsw i32 %add177, -1
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%idxprom179 = sext i32 %sub178 to i64
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%arrayidx180 = getelementptr inbounds float, float* %ch, i64 %idxprom179
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store float undef, float* %arrayidx180, align 4
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%arrayidx183 = getelementptr inbounds float, float* %wa3, i64 0
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%0 = load float, float* %arrayidx183, align 4
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%mul184 = fmul float undef, %0
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%add189 = fadd float %mul184, 0.000000e+00
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%idxprom190 = sext i32 %add177 to i64
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%arrayidx191 = getelementptr inbounds float, float* %ch, i64 %idxprom190
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store float %add189, float* %arrayidx191, align 4
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%add193 = add nsw i32 %i.013, 2
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%cmp52 = icmp slt i32 %add193, %ido
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br i1 %cmp52, label %for.body53, label %for.inc096
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for.inc096: ; preds = %for.body53, %for.body47
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br i1 undef, label %for.body47, label %for.end198
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for.end198: ; preds = %for.inc096, %for.cond45.preheader
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br i1 false, label %for.end256, label %L105
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L105: ; preds = %for.end198, %if.end
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br label %for.end256
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for.end256: ; preds = %L105, %for.end198, %entry
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ret void
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}
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