forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			36 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt -S -instsimplify < %s | FileCheck %s
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target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
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%mst = type { i8*, i8* }
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%mst2 = type { i32*, i32*, i32*, i32* }
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@a = private unnamed_addr constant %mst { i8* inttoptr (i64 -1 to i8*),
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                                          i8* inttoptr (i64 -1 to i8*)},
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                                          align 8
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@b = private unnamed_addr constant %mst2 { i32* inttoptr (i64 42 to i32*),
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                                           i32* inttoptr (i64 67 to i32*),
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                                           i32* inttoptr (i64 33 to i32*),
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                                           i32* inttoptr (i64 58 to i32*)},
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                                          align 8
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define i64 @fn() {
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  %x = load <2 x i8*>, <2 x i8*>* bitcast (%mst* @a to <2 x i8*>*), align 8
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  %b = extractelement <2 x i8*> %x, i32 0
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  %c = ptrtoint i8* %b to i64
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  ; CHECK-LABEL: @fn
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  ; CHECK-NEXT: ret i64 -1
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  ret i64 %c
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}
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define i64 @fn2() {
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  %x = load <4 x i32*>, <4 x i32*>* bitcast (%mst2* @b to <4 x i32*>*), align 8
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  %b = extractelement <4 x i32*> %x, i32 0
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  %c = extractelement <4 x i32*> %x, i32 3
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  %d = ptrtoint i32* %b to i64
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  %e = ptrtoint i32* %c to i64
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  %r = add i64 %d, %e
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  ; CHECK-LABEL: @fn2
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  ; CHECK-NEXT: ret i64 100
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  ret i64 %r
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}
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