mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-11-04 05:17:07 +00:00 
			
		
		
		
	This patch migrates the memset optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167689 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			18 lines
		
	
	
		
			575 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			575 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; Test that the memset 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 @memset(i8*, i32, i32)
 | 
						|
 | 
						|
; Check that memset functions with the wrong prototype aren't simplified.
 | 
						|
 | 
						|
define i8 @test_no_simplify1(i8* %mem, i32 %val, i32 %size) {
 | 
						|
; CHECK: @test_no_simplify1
 | 
						|
  %ret = call i8 @memset(i8* %mem, i32 %val, i32 %size)
 | 
						|
; CHECK: call i8 @memset
 | 
						|
  ret i8 %ret
 | 
						|
; CHECK: ret i8 %ret
 | 
						|
}
 |