81 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s > %t
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| ; PR6300
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| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
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| target triple = "i386-pc-linux-gnu"
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| 
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| ; When the "154" loops back onto itself, it defines a register after using it.
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| ; The first value of the register is implicit-def.
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| 
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| %"struct location_chain_def" = type { %"struct location_chain_def"*, %"struct rtx_def"*, %"struct rtx_def"*, i32 }
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| %"struct real_value" = type { i32, [5 x i32] }
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| %"struct rtx_def" = type { i16, i8, i8, %"union u" }
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| %"union u" = type { %"struct real_value" }
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| 
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| define i32 @variable_union(i8** nocapture %slot, i8* nocapture %data) nounwind {
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| entry:
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|   br i1 undef, label %"4.thread", label %"3"
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| 
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| "4.thread":                                       ; preds = %entry
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|   unreachable
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| 
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| "3":                                              ; preds = %entry
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|   br i1 undef, label %"19", label %"20"
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| 
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| "19":                                             ; preds = %"3"
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|   unreachable
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| 
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| "20":                                             ; preds = %"3"
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|   br i1 undef, label %"56.preheader", label %dv_onepart_p.exit
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| 
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| dv_onepart_p.exit:                                ; preds = %"20"
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|   unreachable
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| 
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| "56.preheader":                                   ; preds = %"20"
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|   br label %"56"
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| 
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| "50":                                             ; preds = %"57"
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|   br label %"56"
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| 
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| "56":                                             ; preds = %"50", %"56.preheader"
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|   br i1 undef, label %"57", label %"58"
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| 
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| "57":                                             ; preds = %"56"
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|   br i1 undef, label %"50", label %"58"
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| 
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| "58":                                             ; preds = %"57", %"56"
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|   br i1 undef, label %"62", label %"63"
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| 
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| "62":                                             ; preds = %"58"
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|   unreachable
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| 
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| "63":                                             ; preds = %"58"
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|   br i1 undef, label %"67", label %"66"
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| 
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| "66":                                             ; preds = %"63"
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|   br label %"67"
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| 
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| "67":                                             ; preds = %"66", %"63"
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|   br label %"68"
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| 
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| "68":                                             ; preds = %"161", %"67"
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|   br i1 undef, label %"153", label %"161"
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| 
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| "153":                                            ; preds = %"68"
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|   br i1 undef, label %"160", label %bb.nph46
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| 
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| bb.nph46:                                         ; preds = %"153"
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|   br label %"154"
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| 
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| "154":                                            ; preds = %"154", %bb.nph46
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|   %0 = phi %"struct location_chain_def"** [ undef, %bb.nph46 ], [ %1, %"154" ] ; <%"struct location_chain_def"**> [#uses=1]
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|   %1 = bitcast i8* undef to %"struct location_chain_def"** ; <%"struct location_chain_def"**> [#uses=1]
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|   store %"struct location_chain_def"* undef, %"struct location_chain_def"** %0, align 4
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|   br i1 undef, label %"160", label %"154"
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| 
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| "160":                                            ; preds = %"154", %"153"
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|   br label %"161"
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| 
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| "161":                                            ; preds = %"160", %"68"
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|   br label %"68"
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| }
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