2017-08-02 06:20:49 +08:00
|
|
|
; RUN: llc -mcpu=cortex-a8 < %s
|
2011-09-20 11:17:40 +08:00
|
|
|
; rdar://problem/10137436: sqlite3 miscompile
|
|
|
|
|
;
|
|
|
|
|
; CHECK: subs
|
|
|
|
|
; CHECK: cmp
|
|
|
|
|
; CHECK: it
|
|
|
|
|
|
|
|
|
|
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32"
|
|
|
|
|
target triple = "thumbv7-apple-ios4.0.0"
|
|
|
|
|
|
|
|
|
|
declare i8* @__memset_chk(i8*, i32, i32, i32) nounwind
|
|
|
|
|
|
|
|
|
|
define hidden fastcc i32 @sqlite3VdbeExec(i32* %p) nounwind {
|
|
|
|
|
entry:
|
|
|
|
|
br label %sqlite3VarintLen.exit7424
|
|
|
|
|
|
|
|
|
|
sqlite3VarintLen.exit7424: ; preds = %do.body.i7423
|
|
|
|
|
br label %do.body.i
|
|
|
|
|
|
|
|
|
|
do.body.i: ; preds = %do.body.i, %sqlite3VarintLen.exit7424
|
|
|
|
|
br i1 undef, label %do.body.i, label %sqlite3VarintLen.exit
|
|
|
|
|
|
|
|
|
|
sqlite3VarintLen.exit: ; preds = %do.body.i
|
|
|
|
|
%sub2322 = add i64 undef, undef
|
|
|
|
|
br i1 undef, label %too_big, label %if.end2327
|
|
|
|
|
|
|
|
|
|
if.end2327: ; preds = %sqlite3VarintLen.exit
|
|
|
|
|
br i1 undef, label %if.end2341, label %no_mem
|
|
|
|
|
|
|
|
|
|
if.end2341: ; preds = %if.end2327
|
|
|
|
|
br label %for.body2355
|
|
|
|
|
|
|
|
|
|
for.body2355: ; preds = %for.body2355, %if.end2341
|
|
|
|
|
%add2366 = add nsw i32 undef, undef
|
|
|
|
|
br i1 undef, label %for.body2377, label %for.body2355
|
|
|
|
|
|
|
|
|
|
for.body2377: ; preds = %for.body2355
|
|
|
|
|
%conv23836154 = zext i32 %add2366 to i64
|
|
|
|
|
%sub2384 = sub i64 %sub2322, %conv23836154
|
|
|
|
|
%conv2385 = trunc i64 %sub2384 to i32
|
|
|
|
|
%len.0.i = select i1 undef, i32 %conv2385, i32 undef
|
|
|
|
|
%sub.i7384 = sub nsw i32 %len.0.i, 0
|
|
|
|
|
%call.i.i7385 = call i8* @__memset_chk(i8* undef, i32 0, i32 %sub.i7384, i32 undef) nounwind
|
|
|
|
|
unreachable
|
|
|
|
|
|
|
|
|
|
too_big: ; preds = %sqlite3VarintLen.exit
|
|
|
|
|
unreachable
|
|
|
|
|
|
|
|
|
|
no_mem: ; preds = %if.end2327, %for.body, %entry.no_mem_crit_edge
|
|
|
|
|
unreachable
|
|
|
|
|
|
|
|
|
|
sqlite3ErrStr.exit: ; preds = %if.then82
|
|
|
|
|
unreachable
|
|
|
|
|
}
|
