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			46 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -march=x86 -relocation-model=pic | FileCheck %s -check-prefix=PIC
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| ; RUN: llc < %s -march=x86 -relocation-model=static | FileCheck %s -check-prefix=STATIC
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| ;
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| ; Make sure the common loop invariant A is hoisted up to preheader,
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| ; since too many registers are needed to subsume it into the addressing modes.
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| ; It's safe to sink A in when it's not pic.
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| 
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| ; PIC:  align
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| ; PIC:  movl  $4, -4([[REG:%e[a-z]+]])
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| ; PIC:  movl  $5, ([[REG]])
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| ; PIC:  addl  $4, [[REG]]
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| ; PIC:  decl  {{%e[[a-z]+}}
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| ; PIC:  jne
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| 
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| ; STATIC: align
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| ; STATIC: movl  $4, -4(%ecx)
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| ; STATIC: movl  $5, (%ecx)
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| ; STATIC: addl  $4, %ecx
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| ; STATIC: decl  %eax
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| ; STATIC: jne
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| 
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| @A = global [16 x [16 x i32]] zeroinitializer, align 32		; <[16 x [16 x i32]]*> [#uses=2]
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| 
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| define void @test(i32 %row, i32 %N.in) nounwind {
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| entry:
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| 	%N = bitcast i32 %N.in to i32		; <i32> [#uses=1]
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| 	%tmp5 = icmp sgt i32 %N.in, 0		; <i1> [#uses=1]
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| 	br i1 %tmp5, label %cond_true, label %return
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| 
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| cond_true:		; preds = %cond_true, %entry
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| 	%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %cond_true ]		; <i32> [#uses=2]
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| 	%i.0.0 = bitcast i32 %indvar to i32		; <i32> [#uses=2]
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| 	%tmp2 = add i32 %i.0.0, 1		; <i32> [#uses=1]
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| 	%tmp = getelementptr [16 x [16 x i32]]* @A, i32 0, i32 %row, i32 %tmp2		; <i32*> [#uses=1]
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| 	store i32 4, i32* %tmp
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| 	%tmp5.upgrd.1 = add i32 %i.0.0, 2		; <i32> [#uses=1]
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| 	%tmp7 = getelementptr [16 x [16 x i32]]* @A, i32 0, i32 %row, i32 %tmp5.upgrd.1		; <i32*> [#uses=1]
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| 	store i32 5, i32* %tmp7
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| 	%indvar.next = add i32 %indvar, 1		; <i32> [#uses=2]
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| 	%exitcond = icmp eq i32 %indvar.next, %N		; <i1> [#uses=1]
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| 	br i1 %exitcond, label %return, label %cond_true
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| 
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| return:		; preds = %cond_true, %entry
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| 	ret void
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| }
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