| ; RUN: llc -march=thumb -mcpu=cortex-a8 < %s |
| ; 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 |
| } |
