33 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc %s -o - -enable-shrink-wrap=true | FileCheck %s
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| 
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| target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
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| target triple = "i686-pc-linux"
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| 
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| @b = global i32 1, align 4
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| @a = common global i32 0, align 4
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| 
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| declare void @fn1() #0
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| 
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| ; CHECK-LABEL: fn2:
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| define void @fn2() #0 {
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| entry:
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|   %0 = load i32, i32* @b, align 4
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|   %tobool = icmp eq i32 %0, 0
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|   br i1 %tobool, label %if.end, label %lbl
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| 
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| lbl:                                              ; preds = %if.end, %entry
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|   store i32 0, i32* @b, align 4
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|   br label %if.end
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| 
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| if.end:                                           ; preds = %entry, %lbl
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|   tail call void @fn1()
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|   %1 = load i32, i32* @b, align 4
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|   %tobool1 = icmp eq i32 %1, 0
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|   br i1 %tobool1, label %if.end3, label %lbl
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| 
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| if.end3:                                          ; preds = %if.end
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|   ret void
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| }
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| 
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| attributes #0 = { norecurse nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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