llvm-6502/test/Transforms/ScalarRepl/2008-08-22-out-of-range-array-promote.ll
Chris Lattner 88e6dc8bf1 Fix PR2423 by checking all indices for out of range access, not only
indices that start with an array subscript.  x->field[10000] is just 
as bad as (*X)[14][10000].


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55226 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-23 05:21:06 +00:00

23 lines
893 B
LLVM

; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | grep {s = alloca .struct.x}
; PR2423
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"
target triple = "i386-apple-darwin8"
%struct.x = type { [1 x i32], i32, i32 }
define i32 @b() nounwind {
entry:
%s = alloca %struct.x ; <%struct.x*> [#uses=2]
%r = alloca %struct.x ; <%struct.x*> [#uses=2]
call i32 @a( %struct.x* %s ) nounwind ; <i32>:0 [#uses=0]
%r1 = bitcast %struct.x* %r to i8* ; <i8*> [#uses=1]
%s2 = bitcast %struct.x* %s to i8* ; <i8*> [#uses=1]
call void @llvm.memcpy.i32( i8* %r1, i8* %s2, i32 12, i32 8 )
getelementptr %struct.x* %r, i32 0, i32 0, i32 1 ; <i32*>:1 [#uses=1]
load i32* %1, align 4 ; <i32>:2 [#uses=1]
ret i32 %2
}
declare i32 @a(%struct.x*)
declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind