36 lines
		
	
	
		
			790 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			790 B
		
	
	
	
		
			LLVM
		
	
	
	
; Ensure constant propagation of logical instructions is working correctly.
 | 
						|
 | 
						|
; RUN: opt < %s -instsimplify -dce -S | FileCheck %s
 | 
						|
; CHECK-NOT:     {{and|or|xor}}
 | 
						|
 | 
						|
define i32 @test1() {
 | 
						|
        %R = and i32 4, 1234            ; <i32> [#uses=1]
 | 
						|
        ret i32 %R
 | 
						|
}
 | 
						|
 | 
						|
define i1 @test1.upgrd.1() {
 | 
						|
        %R = and i1 true, false         ; <i1> [#uses=1]
 | 
						|
        ret i1 %R
 | 
						|
}
 | 
						|
 | 
						|
define i32 @test2() {
 | 
						|
        %R = or i32 4, 1234             ; <i32> [#uses=1]
 | 
						|
        ret i32 %R
 | 
						|
}
 | 
						|
 | 
						|
define i1 @test2.upgrd.2() {
 | 
						|
        %R = or i1 true, false          ; <i1> [#uses=1]
 | 
						|
        ret i1 %R
 | 
						|
}
 | 
						|
 | 
						|
define i32 @test3() {
 | 
						|
        %R = xor i32 4, 1234            ; <i32> [#uses=1]
 | 
						|
        ret i32 %R
 | 
						|
}
 | 
						|
 | 
						|
define i1 @test3.upgrd.3() {
 | 
						|
        %R = xor i1 true, false         ; <i1> [#uses=1]
 | 
						|
        ret i1 %R
 | 
						|
}
 | 
						|
 |