forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			33 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; REQUIRES: asserts
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; RUN: llc -march=hexagon -enable-pipeliner -o /dev/null < %s
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; Test that we do not crash when running CopyToPhi DAG mutation due to
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; iterator invalidation.
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declare i64 @llvm.hexagon.M2.cmacsc.s0(i64, i32, i32) #0
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define dso_local void @foo() local_unnamed_addr #1 {
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entry:
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  br label %for.body
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for.body:                                         ; preds = %for.body, %entry
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  %loop_count.0420 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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  %tmp_rslt4.sroa.0.0415 = phi i64 [ 0, %entry ], [ %phitmp395, %for.body ]
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  %tmp_rslt4.sroa.14.0414 = phi i64 [ 0, %entry ], [ %phitmp394, %for.body ]
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  %tmp_rslt3.sroa.12.0412 = phi i64 [ 0, %entry ], [ %phitmp391, %for.body ]
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  %tmp_rslt3.sroa.0.0.insert.insert = or i64 0, %tmp_rslt3.sroa.12.0412
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  %0 = tail call i64 @llvm.hexagon.M2.cmacsc.s0(i64 %tmp_rslt3.sroa.0.0.insert.insert, i32 undef, i32 undef)
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  %tmp_rslt4.sroa.0.0.insert.insert = or i64 %tmp_rslt4.sroa.0.0415, %tmp_rslt4.sroa.14.0414
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  %1 = tail call i64 @llvm.hexagon.M2.cmacsc.s0(i64 %tmp_rslt4.sroa.0.0.insert.insert, i32 undef, i32 undef)
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  %inc = add nuw nsw i32 %loop_count.0420, 1
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  %phitmp391 = and i64 %0, -4294967296
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  %phitmp394 = and i64 %1, -4294967296
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  %phitmp395 = and i64 %1, 4294967295
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  %exitcond = icmp eq i32 %inc, 63
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  br i1 %exitcond, label %for.end, label %for.body
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for.end:                                          ; preds = %for.body
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  %2 = tail call i64 @llvm.hexagon.M2.cmacsc.s0(i64 %0, i32 undef, i32 undef)
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  ret void
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}
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attributes #0 = { nounwind readnone }
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attributes #1 = { "target-features"="-long-calls,-small-data" }
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