18 lines
		
	
	
		
			591 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			591 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; Test that the memmove library call simplifier works correctly.
 | |
| ;
 | |
| ; RUN: opt < %s -instcombine -S | FileCheck %s
 | |
| 
 | |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
 | |
| 
 | |
| declare i8 @memmove(i8*, i8*, i32)
 | |
| 
 | |
| ; Check that memmove functions with the wrong prototype aren't simplified.
 | |
| 
 | |
| define i8 @test_no_simplify1(i8* %mem1, i8* %mem2, i32 %size) {
 | |
| ; CHECK-LABEL: @test_no_simplify1(
 | |
|   %ret = call i8 @memmove(i8* %mem1, i8* %mem2, i32 %size)
 | |
| ; CHECK: call i8 @memmove
 | |
|   ret i8 %ret
 | |
| ; CHECK: ret i8 %ret
 | |
| }
 |