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Diffstat (limited to 'test/CodeGen/ARM/2011-09-19-cpsr.ll')
-rw-r--r-- | test/CodeGen/ARM/2011-09-19-cpsr.ll | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2011-09-19-cpsr.ll b/test/CodeGen/ARM/2011-09-19-cpsr.ll new file mode 100644 index 0000000..749a6d2 --- /dev/null +++ b/test/CodeGen/ARM/2011-09-19-cpsr.ll @@ -0,0 +1,54 @@ +; 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 +} |