1 files changed, 56 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-2012-07-11-InstrEmitterBug.ll b/test/CodeGen/AArch64/arm64-2012-07-11-InstrEmitterBug.ll
new file mode 100644
index 0000000000..55ecfb5d2b
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-2012-07-11-InstrEmitterBug.ll
@@ -0,0 +1,56 @@
+; RUN: llc < %s -mtriple=arm64-apple-ios
+; rdar://11849816
+
+@shlib_path_substitutions = external hidden unnamed_addr global i8**, align 8
+
+declare i64 @llvm.objectsize.i64(i8*, i1) nounwind readnone
+
+declare noalias i8* @xmalloc(i64) optsize
+
+declare i64 @strlen(i8* nocapture) nounwind readonly optsize
+
+declare i8* @__strcpy_chk(i8*, i8*, i64) nounwind optsize
+
+declare i8* @__strcat_chk(i8*, i8*, i64) nounwind optsize
+
+declare noalias i8* @xstrdup(i8*) optsize
+
+define i8* @dyld_fix_path(i8* %path) nounwind optsize ssp {
+entry:
+  br i1 undef, label %if.end56, label %for.cond
+
+for.cond:                                         ; preds = %entry
+  br i1 undef, label %for.cond10, label %for.body
+
+for.body:                                         ; preds = %for.cond
+  unreachable
+
+for.cond10:                                       ; preds = %for.cond
+  br i1 undef, label %if.end56, label %for.body14
+
+for.body14:                                       ; preds = %for.cond10
+  %call22 = tail call i64 @strlen(i8* undef) nounwind optsize
+  %sext = shl i64 %call22, 32
+  %conv30 = ashr exact i64 %sext, 32
+  %add29 = sub i64 0, %conv30
+  %sub = add i64 %add29, 0
+  %add31 = shl i64 %sub, 32
+  %sext59 = add i64 %add31, 4294967296
+  %conv33 = ashr exact i64 %sext59, 32
+  %call34 = tail call noalias i8* @xmalloc(i64 %conv33) nounwind optsize
+  br i1 undef, label %cond.false45, label %cond.true43
+
+cond.true43:                                      ; preds = %for.body14
+  unreachable
+
+cond.false45:                                     ; preds = %for.body14
+  %add.ptr = getelementptr inbounds i8* %path, i64 %conv30
+  unreachable
+
+if.end56:                                         ; preds = %for.cond10, %entry
+  ret i8* null
+}
+
+declare i32 @strncmp(i8* nocapture, i8* nocapture, i64) nounwind readonly optsize
+
+declare i8* @strcpy(i8*, i8* nocapture) nounwind