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				https://github.com/c64scene-ar/llvm-6502.git
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	Patch by Xiaoyi Guo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140072 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			45 lines
		
	
	
		
			999 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			999 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: opt < %s -instcombine -S | FileCheck %s
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| 
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| ; PR1738
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| define i1 @test1(double %X, double %Y) {
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|         %tmp9 = fcmp ord double %X, 0.000000e+00
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|         %tmp13 = fcmp ord double %Y, 0.000000e+00
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|         %bothcond = and i1 %tmp13, %tmp9
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|         ret i1 %bothcond
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| ; CHECK:  fcmp ord double %Y, %X
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| }
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| 
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| define i1 @test2(i1 %X, i1 %Y) {
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|   %a = and i1 %X, %Y
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|   %b = and i1 %a, %X
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|   ret i1 %b
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| ; CHECK: @test2
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| ; CHECK-NEXT: and i1 %X, %Y
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| ; CHECK-NEXT: ret
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| }
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| 
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| define i32 @test3(i32 %X, i32 %Y) {
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|   %a = and i32 %X, %Y
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|   %b = and i32 %Y, %a
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|   ret i32 %b
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| ; CHECK: @test3
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| ; CHECK-NEXT: and i32 %X, %Y
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| ; CHECK-NEXT: ret
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| }
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| 
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| define i1 @test4(i32 %X) {
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|   %a = icmp ult i32 %X, 31
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|   %b = icmp slt i32 %X, 0
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|   %c = and i1 %a, %b
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|   ret i1 %c
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| ; CHECK: @test4
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| ; CHECK-NEXT: ret i1 false
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| }
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| 
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| ; Make sure we don't go into an infinite loop with this test
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| define <4 x i32> @test5(<4 x i32> %A) {
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|   %1 = xor <4 x i32> %A, <i32 1, i32 2, i32 3, i32 4>
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|   %2 = and <4 x i32> <i32 1, i32 2, i32 3, i32 4>, %1
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|   ret <4 x i32> %2
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| }
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