forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			34 lines
		
	
	
		
			845 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			845 B
		
	
	
	
		
			LLVM
		
	
	
	
; This test makes sure that these instructions are properly constant propagated.
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target datalayout = "e-p:32:32"
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; RUN: opt < %s -sccp -S | not grep load
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@X = constant i32 42		; <i32*> [#uses=1]
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@Y = constant [2 x { i32, float }] [ { i32, float } { i32 12, float 1.000000e+00 }, { i32, float } { i32 37, float 0x3FF3B2FEC0000000 } ]		; <[2 x { i32, float }]*> [#uses=2]
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define i32 @test1() {
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	%B = load i32* @X		; <i32> [#uses=1]
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	ret i32 %B
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}
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define float @test2() {
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	%A = getelementptr [2 x { i32, float }]* @Y, i64 0, i64 1, i32 1		; <float*> [#uses=1]
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	%B = load float* %A		; <float> [#uses=1]
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	ret float %B
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}
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define i32 @test3() {
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	%A = getelementptr [2 x { i32, float }]* @Y, i64 0, i64 0, i32 0		; <i32*> [#uses=1]
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	%B = load i32* %A
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	ret i32 %B
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}
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define i8 @test4() {
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	%A = bitcast i32* @X to i8*
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	%B = load i8* %A
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	ret i8 %B
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}
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