|  | ; RUN: opt < %s -constprop -S | \
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							|  | ; RUN:    grep "ret i32 -1"
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							|  | ; RUN: opt < %s -constprop -S | \
 | 
						
						
						
							|  | ; RUN:    grep "ret i32 1"
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							|  | 
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							|  | define i32 @test1() {
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							|  |         %A = sext i1 true to i32                ; <i32> [#uses=1]
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							|  |         ret i32 %A
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							|  | }
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							|  | 
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							|  | define i32 @test2() {
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							|  |         %A = zext i1 true to i32                ; <i32> [#uses=1]
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							|  |         ret i32 %A
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							|  | }
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							|  | 
 |