mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-10-31 08:16:47 +00:00 
			
		
		
		
	Bitcasting everything to i8* won't work. Autoupgrade the old intrinsic declarations to use the new mangling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192117 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			56 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc -O0 < %s -march=x86-64 | FileCheck %s -check-prefix=X64
 | |
| 
 | |
| ; ModuleID = 'ts.c'
 | |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
 | |
| target triple = "x86_64-apple-darwin10.0"
 | |
| 
 | |
| @p = common global i8* null, align 8              ; <i8**> [#uses=4]
 | |
| @.str = private constant [3 x i8] c"Hi\00"        ; <[3 x i8]*> [#uses=1]
 | |
| 
 | |
| define void @bar() nounwind ssp {
 | |
| entry:
 | |
|   %tmp = load i8** @p                             ; <i8*> [#uses=1]
 | |
|   %0 = call i64 @llvm.objectsize.i64.p0i8(i8* %tmp, i1 0) ; <i64> [#uses=1]
 | |
|   %cmp = icmp ne i64 %0, -1                       ; <i1> [#uses=1]
 | |
| ; X64: movabsq $-1, [[RAX:%r..]]
 | |
| ; X64: cmpq    $-1, [[RAX]]
 | |
|   br i1 %cmp, label %cond.true, label %cond.false
 | |
| 
 | |
| cond.true:                                        ; preds = %entry
 | |
|   %tmp1 = load i8** @p                            ; <i8*> [#uses=1]
 | |
|   %tmp2 = load i8** @p                            ; <i8*> [#uses=1]
 | |
|   %1 = call i64 @llvm.objectsize.i64.p0i8(i8* %tmp2, i1 1) ; <i64> [#uses=1]
 | |
|   %call = call i8* @__strcpy_chk(i8* %tmp1, i8* getelementptr inbounds ([3 x i8]* @.str, i32 0, i32 0), i64 %1) ssp ; <i8*> [#uses=1]
 | |
|   br label %cond.end
 | |
| 
 | |
| cond.false:                                       ; preds = %entry
 | |
|   %tmp3 = load i8** @p                            ; <i8*> [#uses=1]
 | |
|   %call4 = call i8* @__inline_strcpy_chk(i8* %tmp3, i8* getelementptr inbounds ([3 x i8]* @.str, i32 0, i32 0)) ssp ; <i8*> [#uses=1]
 | |
|   br label %cond.end
 | |
| 
 | |
| cond.end:                                         ; preds = %cond.false, %cond.true
 | |
|   %cond = phi i8* [ %call, %cond.true ], [ %call4, %cond.false ] ; <i8*> [#uses=0]
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| declare i64 @llvm.objectsize.i64.p0i8(i8*, i1) nounwind readonly
 | |
| 
 | |
| declare i8* @__strcpy_chk(i8*, i8*, i64) ssp
 | |
| 
 | |
| define internal i8* @__inline_strcpy_chk(i8* %__dest, i8* %__src) nounwind ssp {
 | |
| entry:
 | |
|   %retval = alloca i8*                            ; <i8**> [#uses=2]
 | |
|   %__dest.addr = alloca i8*                       ; <i8**> [#uses=3]
 | |
|   %__src.addr = alloca i8*                        ; <i8**> [#uses=2]
 | |
|   store i8* %__dest, i8** %__dest.addr
 | |
|   store i8* %__src, i8** %__src.addr
 | |
|   %tmp = load i8** %__dest.addr                   ; <i8*> [#uses=1]
 | |
|   %tmp1 = load i8** %__src.addr                   ; <i8*> [#uses=1]
 | |
|   %tmp2 = load i8** %__dest.addr                  ; <i8*> [#uses=1]
 | |
|   %0 = call i64 @llvm.objectsize.i64.p0i8(i8* %tmp2, i1 1) ; <i64> [#uses=1]
 | |
|   %call = call i8* @__strcpy_chk(i8* %tmp, i8* %tmp1, i64 %0) ssp ; <i8*> [#uses=1]
 | |
|   store i8* %call, i8** %retval
 | |
|   %1 = load i8** %retval                          ; <i8*> [#uses=1]
 | |
|   ret i8* %1
 | |
| }
 |